diff --git a/shared/actions/__tests__/signup.test.tsx b/shared/actions/__tests__/signup.test.tsx
index 0703bbe3e2ca..5a8ab4adb7ce 100644
--- a/shared/actions/__tests__/signup.test.tsx
+++ b/shared/actions/__tests__/signup.test.tsx
@@ -10,7 +10,7 @@ import * as RouteTreeGen from '../route-tree-gen'
 import {_testing} from '../signup'
 import reducer from '../../reducers/signup'
 
-const testLogger = new SagaLogger('TESTING', 'TESTINGFCN')
+const testLogger = new SagaLogger('TESTING' as any, 'TESTINGFCN')
 
 jest.unmock('immutable')
 
diff --git a/shared/actions/chat2/index.tsx b/shared/actions/chat2/index.tsx
index 1f797d22e497..0703d079902b 100644
--- a/shared/actions/chat2/index.tsx
+++ b/shared/actions/chat2/index.tsx
@@ -115,18 +115,16 @@ function* inboxRefresh(
     )
   }
 
-  yield* Saga.callRPCs(
-    RPCChatTypes.localGetInboxNonblockLocalRpcSaga({
-      incomingCallMap: {'chat.1.chatUi.chatInboxUnverified': onUnverified},
-      params: {
-        identifyBehavior: RPCTypes.TLFIdentifyBehavior.chatGui,
-        maxUnbox: 0,
-        query: Constants.makeInboxQuery([]),
-        skipUnverified: false,
-      },
-      waitingKey: Constants.waitingKeyInboxRefresh,
-    })
-  )
+  yield RPCChatTypes.localGetInboxNonblockLocalRpcSaga({
+    incomingCallMap: {'chat.1.chatUi.chatInboxUnverified': onUnverified},
+    params: {
+      identifyBehavior: RPCTypes.TLFIdentifyBehavior.chatGui,
+      maxUnbox: 0,
+      query: Constants.makeInboxQuery([]),
+      skipUnverified: false,
+    },
+    waitingKey: Constants.waitingKeyInboxRefresh,
+  })
 }
 
 // When we get info on a team we need to unbox immediately so we can get the channel names
@@ -2152,7 +2150,7 @@ function* attachmentDownload(
   }
 
   // Download it
-  const destPath = yield* Saga.callPromise(downloadFilePath, message.fileName)
+  const destPath = yield downloadFilePath(message.fileName)
   yield Saga.callUntyped(downloadAttachment, destPath, message)
 }
 
@@ -2516,7 +2514,7 @@ function* mobileMessageAttachmentShare(
   }
   const fileName = yield* downloadAttachment('', message)
   try {
-    yield* Saga.callPromise(showShareActionSheetFromFile, fileName, message.fileType)
+    yield showShareActionSheetFromFile(fileName)
   } catch (e) {
     logger.error('Failed to share attachment: ' + JSON.stringify(e))
   }
@@ -2546,7 +2544,7 @@ function* mobileMessageAttachmentSave(
   )
   try {
     logger.info('Trying to save chat attachment to camera roll')
-    yield* Saga.callPromise(saveAttachmentToCameraRoll, fileName, message.fileType)
+    yield saveAttachmentToCameraRoll(fileName, message.fileType)
   } catch (err) {
     logger.error('Failed to save attachment: ' + err)
     throw new Error('Failed to save attachment: ' + err)
@@ -3394,7 +3392,7 @@ const createConversationFromTeamBuilder = (
   }),
 ]
 
-export function* chatTeamBuildingSaga(): Saga.SagaGenerator<any, any> {
+export function* chatTeamBuildingSaga() {
   yield* commonTeamBuildingSaga('chat2')
   yield* Saga.chainAction2(
     TeamBuildingGen.finishedTeamBuilding,
@@ -3402,7 +3400,7 @@ export function* chatTeamBuildingSaga(): Saga.SagaGenerator<any, any> {
   )
 }
 
-function* chat2Saga(): Saga.SagaGenerator<any, any> {
+function* chat2Saga() {
   // Platform specific actions
   if (isMobile) {
     // Push us into the conversation
diff --git a/shared/actions/config/index.tsx b/shared/actions/config/index.tsx
index 527c12ff5afd..785157948f4f 100644
--- a/shared/actions/config/index.tsx
+++ b/shared/actions/config/index.tsx
@@ -270,7 +270,6 @@ function* loadDaemonAccounts(
           })
         )
       }
-      return undefined
     }
   }
 }
@@ -589,7 +588,7 @@ const saveDarkPrefs = async (state: Container.TypedState) => {
   } catch (_) {}
 }
 
-function* configSaga(): Saga.SagaGenerator<any, any> {
+function* configSaga() {
   // Start the handshake process. This means we tell all sagas we're handshaking with the daemon. If another
   // saga needs to do something before we leave the loading screen they should call daemonHandshakeWait
   yield* Saga.chainAction2([ConfigGen.restartHandshake, ConfigGen.startHandshake], startHandshake)
diff --git a/shared/actions/deeplinks.tsx b/shared/actions/deeplinks.tsx
index 0aa1f4bd418e..837b473f99f3 100644
--- a/shared/actions/deeplinks.tsx
+++ b/shared/actions/deeplinks.tsx
@@ -105,7 +105,7 @@ const handleAppLink = (state: Container.TypedState, action: DeeplinksGen.LinkPay
   return false
 }
 
-function* deeplinksSaga(): Saga.SagaGenerator<any, any> {
+function* deeplinksSaga() {
   yield* Saga.chainAction2(DeeplinksGen.link, handleAppLink)
   yield* Saga.chainAction2(DeeplinksGen.handleKeybaseLink, handleKeybaseLink)
 }
diff --git a/shared/actions/devices.tsx b/shared/actions/devices.tsx
index 52b4da2c9351..02cacd56e6cf 100644
--- a/shared/actions/devices.tsx
+++ b/shared/actions/devices.tsx
@@ -22,22 +22,20 @@ const load = async (state: Container.TypedState) => {
   }
 }
 
-function* requestPaperKey(): Iterable<any> {
-  yield* Saga.callRPCs(
-    RPCTypes.loginPaperKeyRpcSaga({
-      customResponseIncomingCallMap: {
-        'keybase.1.loginUi.promptRevokePaperKeys': (_, response) => {
-          response.result(false)
-        },
+function* requestPaperKey() {
+  yield RPCTypes.loginPaperKeyRpcSaga({
+    customResponseIncomingCallMap: {
+      'keybase.1.loginUi.promptRevokePaperKeys': (_, response) => {
+        response.result(false)
       },
-      incomingCallMap: {
-        'keybase.1.loginUi.displayPaperKeyPhrase': ({phrase}) =>
-          Saga.put(DevicesGen.createPaperKeyCreated({paperKey: new HiddenString(phrase)})),
-      },
-      params: undefined,
-      waitingKey: Constants.waitingKey,
-    })
-  )
+    },
+    incomingCallMap: {
+      'keybase.1.loginUi.displayPaperKeyPhrase': ({phrase}) =>
+        Saga.put(DevicesGen.createPaperKeyCreated({paperKey: new HiddenString(phrase)})),
+    },
+    params: undefined,
+    waitingKey: Constants.waitingKey,
+  })
 }
 
 const requestEndangeredTLFsLoad = async (
@@ -128,7 +126,7 @@ const receivedBadgeState = (_: Container.TypedState, action: NotificationsGen.Re
     ],
   })
 
-function* deviceSaga(): Saga.SagaGenerator<any, any> {
+function* deviceSaga() {
   // Load devices
   yield* Saga.chainAction2([DevicesGen.load, DevicesGen.revoked, DevicesGen.paperKeyCreated], load)
   // Revoke device
diff --git a/shared/actions/fs/common.native.tsx b/shared/actions/fs/common.native.tsx
index e6b9e27ed983..1cb7a38e8d7c 100644
--- a/shared/actions/fs/common.native.tsx
+++ b/shared/actions/fs/common.native.tsx
@@ -54,7 +54,7 @@ const downloadSuccess = async (state: TypedState, action: FsGen.DownloadSuccessP
   }
 }
 
-export default function* nativeSaga(): Saga.SagaGenerator<any, any> {
+export default function* nativeSaga() {
   yield* Saga.chainAction2(FsGen.pickAndUpload, pickAndUploadToPromise)
   yield* Saga.chainAction2(FsGen.downloadSuccess, downloadSuccess)
 }
diff --git a/shared/actions/fs/index.tsx b/shared/actions/fs/index.tsx
index d884db69d967..f834b422ad66 100644
--- a/shared/actions/fs/index.tsx
+++ b/shared/actions/fs/index.tsx
@@ -400,7 +400,7 @@ function* download(
     case Types.DownloadIntent.None:
       // This adds " (1)" suffix to the base name, if the destination path
       // already exists.
-      localPath = yield* Saga.callPromise(Constants.downloadFilePathFromPath, path)
+      localPath = yield Constants.downloadFilePathFromPath(path)
       break
     case Types.DownloadIntent.CameraRoll:
     case Types.DownloadIntent.Share:
@@ -411,7 +411,7 @@ function* download(
       break
     default:
       Flow.ifFlowComplainsAboutThisFunctionYouHaventHandledAllCasesInASwitch(intent)
-      localPath = yield* Saga.callPromise(Constants.downloadFilePathFromPath, path)
+      localPath = yield Constants.downloadFilePathFromPath(path)
       break
   }
 
@@ -709,7 +709,7 @@ function* loadPathMetadata(_: TypedState, action: FsGen.LoadPathMetadataPayload)
     let pathItem = makeEntry(dirent)
     if (pathItem.type === Types.PathType.File) {
       const mimeType = yield* _loadMimeType(path)
-      pathItem = pathItem.set('mimeType', mimeType)
+      pathItem = pathItem.set('mimeType', mimeType || null)
     }
     yield Saga.put(
       FsGen.createPathItemLoaded({
@@ -1008,7 +1008,7 @@ const loadPathInfo = async (_: TypedState, action: FsGen.LoadPathInfoPayload) =>
   })
 }
 
-function* fsSaga(): Saga.SagaGenerator<any, any> {
+function* fsSaga() {
   yield* Saga.chainAction2(FsGen.refreshLocalHTTPServerInfo, refreshLocalHTTPServerInfo)
   yield* Saga.chainAction2(FsGen.cancelDownload, cancelDownload)
   yield* Saga.chainGenerator<FsGen.DownloadPayload | FsGen.ShareNativePayload | FsGen.SaveMediaPayload>(
diff --git a/shared/actions/fs/platform-specific.android.tsx b/shared/actions/fs/platform-specific.android.tsx
index 4945319fd59c..d1971e80395a 100644
--- a/shared/actions/fs/platform-specific.android.tsx
+++ b/shared/actions/fs/platform-specific.android.tsx
@@ -63,7 +63,7 @@ const downloadSuccessAndroid = (state, action: FsGen.DownloadSuccessPayload) =>
   return copyToDownloadDir(localPath, mimeType)
 }
 
-export default function* platformSpecificSaga(): Saga.SagaGenerator<any, any> {
+export default function* platformSpecificSaga() {
   yield Saga.spawn(nativeSaga)
   yield* Saga.chainAction2(FsGen.downloadSuccess, downloadSuccessAndroid)
 }
diff --git a/shared/actions/fs/platform-specific.d.ts b/shared/actions/fs/platform-specific.d.ts
index b1d3cf764d6f..907cc6ee459b 100644
--- a/shared/actions/fs/platform-specific.d.ts
+++ b/shared/actions/fs/platform-specific.d.ts
@@ -1,6 +1,6 @@
 import * as Saga from '../../util/saga'
 import * as Types from '../../constants/types/fs'
 
-declare function platformSpecificSaga(): Saga.SagaGenerator<any, any>
+declare function platformSpecificSaga(): void
 
 export default platformSpecificSaga
diff --git a/shared/actions/fs/platform-specific.desktop.tsx b/shared/actions/fs/platform-specific.desktop.tsx
index 4366fed07cc7..fb4019e0c1c8 100644
--- a/shared/actions/fs/platform-specific.desktop.tsx
+++ b/shared/actions/fs/platform-specific.desktop.tsx
@@ -426,7 +426,7 @@ const refreshMountDirs = async (
   ]
 }
 
-function* platformSpecificSaga(): Saga.SagaGenerator<any, any> {
+function* platformSpecificSaga() {
   yield* Saga.chainAction2(FsGen.openLocalPathInSystemFileManager, openLocalPathInSystemFileManager)
   yield* Saga.chainAction2(FsGen.openPathInSystemFileManager, openPathInSystemFileManager)
   if (!isLinux) {
diff --git a/shared/actions/git.tsx b/shared/actions/git.tsx
index 7950e2f1d057..cdb6a78c4262 100644
--- a/shared/actions/git.tsx
+++ b/shared/actions/git.tsx
@@ -118,7 +118,7 @@ function* navigateToTeamRepo(state: TypedState, action: GitGen.NavigateToTeamRep
 const receivedBadgeState = (_: TypedState, action: NotificationsGen.ReceivedBadgeStatePayload) =>
   GitGen.createBadgeAppForGit({ids: new Set(action.payload.badgeState.newGitRepoGlobalUniqueIDs)})
 
-function* gitSaga(): Saga.SagaGenerator<any, any> {
+function* gitSaga() {
   // Create / Delete
   yield* Saga.chainAction2(GitGen.createPersonalRepo, createPersonalRepo)
   yield* Saga.chainAction2(GitGen.createTeamRepo, createTeamRepo)
diff --git a/shared/actions/gregor.tsx b/shared/actions/gregor.tsx
index 597c9419dc4f..484ad81485e4 100644
--- a/shared/actions/gregor.tsx
+++ b/shared/actions/gregor.tsx
@@ -86,7 +86,7 @@ const updateCategory = async (_: Container.TypedState, action: GregorGen.UpdateC
   } catch (_) {}
 }
 
-function* gregorSaga(): Saga.SagaGenerator<any, any> {
+function* gregorSaga() {
   yield* Saga.chainAction2(GregorGen.updateCategory, updateCategory)
   yield* Saga.chainAction2([GregorGen.checkReachability, ConfigGen.osNetworkStatusChanged], checkReachability)
   yield* Saga.chainAction2(EngineGen.connected, registerForGregorNotifications)
diff --git a/shared/actions/login.tsx b/shared/actions/login.tsx
index 695928c90026..47796487d567 100644
--- a/shared/actions/login.tsx
+++ b/shared/actions/login.tsx
@@ -48,35 +48,33 @@ const moveToProvisioning = (username: string) => (_: any, response: any) => {
 // Actually do a user/pass login. Don't get sucked into a provisioning flow
 function* login(_: Container.TypedState, action: LoginGen.LoginPayload) {
   try {
-    yield* Saga.callRPCs(
-      RPCTypes.loginLoginRpcSaga({
-        customResponseIncomingCallMap: {
-          'keybase.1.gpgUi.selectKey': cancelOnCallback,
-          'keybase.1.loginUi.getEmailOrUsername': cancelOnCallback,
-          'keybase.1.provisionUi.DisplayAndPromptSecret': cancelOnCallback,
-          'keybase.1.provisionUi.PromptNewDeviceName': moveToProvisioning(action.payload.username),
-          'keybase.1.provisionUi.chooseDevice': cancelOnCallback,
-          'keybase.1.provisionUi.chooseGPGMethod': cancelOnCallback,
-          'keybase.1.secretUi.getPassphrase': getPasswordHandler(action.payload.password.stringValue()),
-        },
-        // cancel if we get any of these callbacks, we're logging in, not provisioning
-        incomingCallMap: {
-          'keybase.1.loginUi.displayPrimaryPaperKey': ignoreCallback,
-          'keybase.1.provisionUi.DisplaySecretExchanged': ignoreCallback,
-          'keybase.1.provisionUi.ProvisioneeSuccess': ignoreCallback,
-          'keybase.1.provisionUi.ProvisionerSuccess': ignoreCallback,
-        },
-        params: {
-          clientType: RPCTypes.ClientType.guiMain,
-          deviceName: '',
-          deviceType: isMobile ? 'mobile' : 'desktop',
-          doUserSwitch: flags.fastAccountSwitch,
-          paperKey: '',
-          username: action.payload.username,
-        },
-        waitingKey: Constants.waitingKey,
-      })
-    )
+    yield RPCTypes.loginLoginRpcSaga({
+      customResponseIncomingCallMap: {
+        'keybase.1.gpgUi.selectKey': cancelOnCallback,
+        'keybase.1.loginUi.getEmailOrUsername': cancelOnCallback,
+        'keybase.1.provisionUi.DisplayAndPromptSecret': cancelOnCallback,
+        'keybase.1.provisionUi.PromptNewDeviceName': moveToProvisioning(action.payload.username),
+        'keybase.1.provisionUi.chooseDevice': cancelOnCallback,
+        'keybase.1.provisionUi.chooseGPGMethod': cancelOnCallback,
+        'keybase.1.secretUi.getPassphrase': getPasswordHandler(action.payload.password.stringValue()),
+      },
+      // cancel if we get any of these callbacks, we're logging in, not provisioning
+      incomingCallMap: {
+        'keybase.1.loginUi.displayPrimaryPaperKey': ignoreCallback,
+        'keybase.1.provisionUi.DisplaySecretExchanged': ignoreCallback,
+        'keybase.1.provisionUi.ProvisioneeSuccess': ignoreCallback,
+        'keybase.1.provisionUi.ProvisionerSuccess': ignoreCallback,
+      },
+      params: {
+        clientType: RPCTypes.ClientType.guiMain,
+        deviceName: '',
+        deviceType: isMobile ? 'mobile' : 'desktop',
+        doUserSwitch: flags.fastAccountSwitch,
+        paperKey: '',
+        username: action.payload.username,
+      },
+      waitingKey: Constants.waitingKey,
+    })
     logger.info('login call succeeded')
     yield Saga.put(ConfigGen.createLoggedIn({causedBySignup: false, causedByStartup: false}))
   } catch (e) {
@@ -107,7 +105,7 @@ const loadIsOnline = async () => {
   }
 }
 
-function* loginSaga(): Saga.SagaGenerator<any, any> {
+function* loginSaga() {
   // Actually log in
   yield* Saga.chainGenerator<LoginGen.LoginPayload>(LoginGen.login, login)
   yield* Saga.chainAction2(LoginGen.launchForgotPasswordWebPage, launchForgotPasswordWebPage)
diff --git a/shared/actions/notifications.tsx b/shared/actions/notifications.tsx
index ccbfc6fd4db3..82e3cef10085 100644
--- a/shared/actions/notifications.tsx
+++ b/shared/actions/notifications.tsx
@@ -83,7 +83,7 @@ const receivedBoxAuditError = (
     ),
   })
 
-function* notificationsSaga(): Saga.SagaGenerator<any, any> {
+function* notificationsSaga() {
   yield* Saga.chainAction2(NotificationsGen.receivedBadgeState, receivedBadgeState)
   yield* Saga.chainAction2(EngineGen.keybase1NotifyAuditRootAuditError, receivedRootAuditError)
   yield* Saga.chainAction2(EngineGen.keybase1NotifyAuditBoxAuditError, receivedBoxAuditError)
diff --git a/shared/actions/people.tsx b/shared/actions/people.tsx
index 69197ed1b8f4..6545ed0394fc 100644
--- a/shared/actions/people.tsx
+++ b/shared/actions/people.tsx
@@ -44,7 +44,13 @@ const getPeopleData = async (state: Container.TypedState, action: PeopleGen.GetP
       .reduce(Constants.reduceRPCItemToPeopleItem, I.List())
 
     if (debugTodo) {
-      const allTodos: Array<RPCTypes.HomeScreenTodoType> = Object.values(RPCTypes.HomeScreenTodoType)
+      const allTodos = Object.values(RPCTypes.HomeScreenTodoType).reduce<Array<RPCTypes.HomeScreenTodoType>>(
+        (arr, t) => {
+          typeof t !== 'string' && arr.push(t)
+          return arr
+        },
+        []
+      )
       allTodos.forEach(avdlType => {
         const todoType = Constants.todoTypeEnumToType[avdlType]
         if (newItems.some(t => t.type === 'todo' && t.todoType === todoType)) {
@@ -157,7 +163,7 @@ const connected = async () => {
   }
 }
 
-const peopleSaga = function*(): Saga.SagaGenerator<any, any> {
+const peopleSaga = function*() {
   yield* Saga.chainAction2(PeopleGen.getPeopleData, getPeopleData)
   yield* Saga.chainAction2(PeopleGen.markViewed, markViewed)
   yield* Saga.chainAction2(PeopleGen.skipTodo, skipTodo)
diff --git a/shared/actions/pinentry.tsx b/shared/actions/pinentry.tsx
index 2a8451aa9104..a15b301a3317 100644
--- a/shared/actions/pinentry.tsx
+++ b/shared/actions/pinentry.tsx
@@ -75,7 +75,7 @@ const onCancel = (_: Container.TypedState, action: PinentryGen.OnCancelPayload)
   })
 }
 
-function* pinentrySaga(): Saga.SagaGenerator<any, any> {
+function* pinentrySaga() {
   yield* Saga.chainAction2(PinentryGen.onSubmit, onSubmit)
   yield* Saga.chainAction2(PinentryGen.onCancel, onCancel)
   yield* Saga.chainAction2(PinentryGen.newPinentry, onNewPinentry)
diff --git a/shared/actions/plan-billing.tsx b/shared/actions/plan-billing.tsx
index e90b7ddff23b..68c7a2f61cd0 100644
--- a/shared/actions/plan-billing.tsx
+++ b/shared/actions/plan-billing.tsx
@@ -1,5 +1,5 @@
 // import logger from '../logger'
-import * as Saga from '../util/saga'
+// import * as Saga from '../util/saga'
 // import * as Constants from '../constants/plan-billing'
 // import * as Types from '../constants/types/plan-billing'
 // import * as RPCTypes from '../constants/types/rpc-gen'
@@ -167,7 +167,7 @@ import * as Saga from '../util/saga'
 // }
 // }
 
-function* billingSaga(): Saga.SagaGenerator<any, any> {
+function* billingSaga() {
   // this isn't used
   // yield Saga.safeTakeEvery(Constants.updateBilling, updateBillingSaga)
   // yield Saga.safeTakeEvery(Constants.fetchBillingAndQuota, fetchBillingAndQuotaSaga)
diff --git a/shared/actions/platform-specific/index.d.ts b/shared/actions/platform-specific/index.d.ts
index b53752bd2d4a..7b2360b4ff10 100644
--- a/shared/actions/platform-specific/index.d.ts
+++ b/shared/actions/platform-specific/index.d.ts
@@ -37,4 +37,4 @@ export declare function getContentTypeFromURL(
   }) => Promise<string> | void
 )
 
-export declare function platformConfigSaga(): Saga.SagaGenerator<any, any>
+export declare function platformConfigSaga()
diff --git a/shared/actions/platform-specific/index.desktop.tsx b/shared/actions/platform-specific/index.desktop.tsx
index b108f1dc292a..136e1e00f12a 100644
--- a/shared/actions/platform-specific/index.desktop.tsx
+++ b/shared/actions/platform-specific/index.desktop.tsx
@@ -62,7 +62,7 @@ export const getContentTypeFromURL = (
   req.end()
 }
 
-function* handleWindowFocusEvents(): Iterable<any> {
+function* handleWindowFocusEvents() {
   const channel = Saga.eventChannel(emitter => {
     window.addEventListener('focus', () => emitter('focus'))
     window.addEventListener('blur', () => emitter('blur'))
@@ -260,7 +260,7 @@ const sendKBServiceCheck = (state: Container.TypedState, action: ConfigGen.Daemo
 function* startOutOfDateCheckLoop() {
   while (1) {
     try {
-      const toPut = yield* Saga.callPromise(checkForUpdate)
+      const toPut = yield checkForUpdate()
       yield Saga.put(toPut)
       yield Saga.delay(3600 * 1000) // 1 hr
     } catch (err) {
@@ -412,7 +412,7 @@ const setOpenAtLogin = async (state: Container.TypedState) => {
 
 export const requestLocationPermission = () => Promise.resolve()
 
-export function* platformConfigSaga(): Saga.SagaGenerator<any, any> {
+export function* platformConfigSaga() {
   yield* Saga.chainAction2(ConfigGen.setOpenAtLogin, setOpenAtLogin)
   yield* Saga.chainAction2(ConfigGen.setNotifySound, setNotifySound)
   yield* Saga.chainAction2(ConfigGen.showMain, showMainWindow)
diff --git a/shared/actions/platform-specific/index.native.tsx b/shared/actions/platform-specific/index.native.tsx
index 3b14a2f1dc7f..7b6bf497f970 100644
--- a/shared/actions/platform-specific/index.native.tsx
+++ b/shared/actions/platform-specific/index.native.tsx
@@ -632,7 +632,7 @@ function* setupDarkMode() {
   }
 }
 
-export function* platformConfigSaga(): Saga.SagaGenerator<any, any> {
+export function* platformConfigSaga() {
   yield* Saga.chainGenerator<ConfigGen.PersistRoutePayload>(ConfigGen.persistRoute, persistRoute)
   yield* Saga.chainAction2(ConfigGen.mobileAppState, updateChangedFocus)
   yield* Saga.chainAction2(ConfigGen.openAppSettings, openAppSettings)
diff --git a/shared/actions/platform-specific/push.native.tsx b/shared/actions/platform-specific/push.native.tsx
index dd314e45bdd6..efcf416ad592 100644
--- a/shared/actions/platform-specific/push.native.tsx
+++ b/shared/actions/platform-specific/push.native.tsx
@@ -274,7 +274,7 @@ const neverShowMonsterAgain = async (state: Container.TypedState) => {
 
 function* requestPermissions() {
   if (isIOS) {
-    const shownPushPrompt = yield* Saga.callPromise(askNativeIfSystemPushPromptHasBeenShown)
+    const shownPushPrompt = yield askNativeIfSystemPushPromptHasBeenShown()
     if (shownPushPrompt) {
       // we've already shown the prompt, take them to settings
       yield Saga.put(ConfigGen.createOpenAppSettings())
@@ -285,7 +285,7 @@ function* requestPermissions() {
   try {
     yield Saga.put(WaitingGen.createIncrementWaiting({key: Constants.permissionsRequestingWaitingKey}))
     logger.info('[PushRequesting] asking native')
-    const permissions = yield* Saga.callPromise(requestPermissionsFromNative)
+    const permissions = yield requestPermissionsFromNative()
     logger.info('[PushRequesting] after prompt:', permissions)
     if (permissions && (permissions.alert || permissions.badge)) {
       logger.info('[PushRequesting] enabled')
@@ -300,7 +300,7 @@ function* requestPermissions() {
   }
 }
 
-function* initialPermissionsCheck(): Saga.SagaGenerator<any, any> {
+function* initialPermissionsCheck() {
   const hasPermissions = yield _checkPermissions(null)
   if (hasPermissions) {
     // Get the token
@@ -344,13 +344,13 @@ function* _checkPermissions(action: ConfigGen.MobileAppStatePayload | null) {
   }
 
   logger.debug(`[PushCheck] checking ${action ? 'on foreground' : 'on startup'}`)
-  const permissions = yield* Saga.callPromise(checkPermissionsFromNative)
+  const permissions = yield checkPermissionsFromNative()
   if (permissions.alert || permissions.badge) {
     const state: Container.TypedState = yield* Saga.selectState()
     if (!state.push.hasPermissions) {
       logger.info('[PushCheck] enabled: getting token')
       yield Saga.put(PushGen.createUpdateHasPermissions({hasPermissions: true}))
-      yield* Saga.callPromise(requestPermissionsFromNative)
+      yield requestPermissionsFromNative()
     } else {
       logger.info('[PushCheck] enabled already')
     }
@@ -364,7 +364,7 @@ function* _checkPermissions(action: ConfigGen.MobileAppStatePayload | null) {
 
 function* getStartupDetailsFromInitialPush() {
   const {push, pushTimeout}: {push: PushGen.NotificationPayload; pushTimeout: boolean} = yield Saga.race({
-    push: Saga.callPromise(isAndroid ? getInitialPushAndroid : getInitialPushiOS),
+    push: isAndroid ? getInitialPushAndroid() : getInitialPushiOS(),
     pushTimeout: Saga.delay(10),
   })
   if (pushTimeout || !push) {
@@ -402,7 +402,7 @@ const getInitialPushiOS = () =>
     })
   )
 
-function* pushSaga(): Saga.SagaGenerator<any, any> {
+function* pushSaga() {
   // Permissions
   yield* Saga.chainGenerator<PushGen.RequestPermissionsPayload>(
     PushGen.requestPermissions,
diff --git a/shared/actions/profile/index.tsx b/shared/actions/profile/index.tsx
index 63d3217a866d..e1317d2efb9b 100644
--- a/shared/actions/profile/index.tsx
+++ b/shared/actions/profile/index.tsx
@@ -177,7 +177,7 @@ function* _profileSaga() {
   yield* Saga.chainAction2(ProfileGen.editAvatar, editAvatar)
 }
 
-function* profileSaga(): Saga.SagaGenerator<any, any> {
+function* profileSaga() {
   yield Saga.spawn(_profileSaga)
   yield Saga.spawn(pgpSaga)
   yield Saga.spawn(proofsSaga)
diff --git a/shared/actions/profile/proofs.tsx b/shared/actions/profile/proofs.tsx
index 9e0b778b0eba..2710acff16ac 100644
--- a/shared/actions/profile/proofs.tsx
+++ b/shared/actions/profile/proofs.tsx
@@ -320,7 +320,7 @@ const submitCryptoAddress = async (
   }
 }
 
-function* proofsSaga(): Saga.SagaGenerator<any, any> {
+function* proofsSaga() {
   yield* Saga.chainAction2([ProfileGen.submitBTCAddress, ProfileGen.submitZcashAddress], submitCryptoAddress)
   yield* Saga.chainGenerator<ProfileGen.AddProofPayload>(ProfileGen.addProof, addProof)
   yield* Saga.chainAction2(ProfileGen.checkProof, checkProof)
diff --git a/shared/actions/provision.tsx b/shared/actions/provision.tsx
index 2c97f3249eb7..d70564fe396d 100644
--- a/shared/actions/provision.tsx
+++ b/shared/actions/provision.tsx
@@ -534,7 +534,7 @@ const forgotUsername = async (_: Container.TypedState, action: ProvisionGen.Forg
   }
 }
 
-function* provisionSaga(): Saga.SagaGenerator<any, any> {
+function* provisionSaga() {
   // Always ensure we have one live
   makeProvisioningManager(false)
 
diff --git a/shared/actions/search.tsx b/shared/actions/search.tsx
index 3a7a5ef12e8b..25f2c1fe4407 100644
--- a/shared/actions/search.tsx
+++ b/shared/actions/search.tsx
@@ -377,7 +377,7 @@ const clearSearchTextInput = (state, {payload: {searchKey}}: SearchGen.UserInput
   })
 }
 
-function* searchSaga(): Saga.SagaGenerator<any, any> {
+function* searchSaga() {
   yield* Saga.chainGenerator<SearchGen.SearchPayload>(SearchGen.search, search)
   yield* Saga.chainAction2(SearchGen.searchSuggestions, searchSuggestions)
   yield* Saga.chainAction2(SearchGen.updateSelectedSearchResult, updateSelectedSearchResult)
diff --git a/shared/actions/settings.tsx b/shared/actions/settings.tsx
index 85d2a2061aab..fc5781a20173 100644
--- a/shared/actions/settings.tsx
+++ b/shared/actions/settings.tsx
@@ -746,7 +746,7 @@ const addEmail = async (state: TypedState, action: SettingsGen.AddEmailPayload,
   }
 }
 
-function* settingsSaga(): Saga.SagaGenerator<any, any> {
+function* settingsSaga() {
   yield* Saga.chainAction2(SettingsGen.invitesReclaim, reclaimInvite)
   yield* Saga.chainAction2(SettingsGen.invitesRefresh, refreshInvites)
   yield* Saga.chainAction2(SettingsGen.invitesSend, sendInvite)
diff --git a/shared/actions/signup.tsx b/shared/actions/signup.tsx
index 6c8c20e6ec03..ca1d0b518b3e 100644
--- a/shared/actions/signup.tsx
+++ b/shared/actions/signup.tsx
@@ -147,7 +147,7 @@ const checkDevicename = async (state: Container.TypedState) => {
 }
 
 // Actually sign up ///////////////////////////////////////////////////////////
-function* reallySignupOnNoErrors(state: Container.TypedState): Saga.SagaGenerator<any, any> {
+function* reallySignupOnNoErrors(state: Container.TypedState) {
   if (!noErrors(state)) {
     logger.warn('Still has errors, bailing on really signing up')
     return
@@ -194,7 +194,7 @@ function* reallySignupOnNoErrors(state: Container.TypedState): Saga.SagaGenerato
   }
 }
 
-const signupSaga = function*(): Saga.SagaGenerator<any, any> {
+const signupSaga = function*() {
   // validation actions
   yield* Saga.chainAction2(SignupGen.requestInvite, requestInvite)
   yield* Saga.chainAction2(SignupGen.checkUsername, checkUsername, 'checkUsername')
diff --git a/shared/actions/team-building.tsx b/shared/actions/team-building.tsx
index 4ac3567c3f37..c9a4ddd2ce3e 100644
--- a/shared/actions/team-building.tsx
+++ b/shared/actions/team-building.tsx
@@ -132,9 +132,7 @@ export function filterForNs<S, A, L, R>(
   }
 }
 
-export default function* commonSagas(
-  namespace: TeamBuildingTypes.AllowedNamespace
-): Saga.SagaGenerator<any, any> {
+export default function* commonSagas(namespace: TeamBuildingTypes.AllowedNamespace) {
   yield* Saga.chainAction2(TeamBuildingGen.search, filterForNs(namespace, search))
   yield* Saga.chainAction2(TeamBuildingGen.fetchUserRecs, filterForNs(namespace, fetchUserRecs))
   // Navigation, before creating
diff --git a/shared/actions/teams.tsx b/shared/actions/teams.tsx
index bbc1b8d00c3f..1dd93fc33430 100644
--- a/shared/actions/teams.tsx
+++ b/shared/actions/teams.tsx
@@ -99,19 +99,17 @@ const getTeamProfileAddList = async (_: TypedState, action: TeamsGen.GetTeamProf
 }
 
 function* deleteTeam(_: TypedState, action: TeamsGen.DeleteTeamPayload) {
-  yield* Saga.callRPCs(
-    RPCTypes.teamsTeamDeleteRpcSaga({
-      customResponseIncomingCallMap: {
-        'keybase.1.teamsUi.confirmRootTeamDelete': (_, response) => response.result(true),
-        'keybase.1.teamsUi.confirmSubteamDelete': (_, response) => response.result(true),
-      },
-      incomingCallMap: {},
-      params: {
-        name: action.payload.teamname,
-      },
-      waitingKey: Constants.deleteTeamWaitingKey(action.payload.teamname),
-    })
-  )
+  yield RPCTypes.teamsTeamDeleteRpcSaga({
+    customResponseIncomingCallMap: {
+      'keybase.1.teamsUi.confirmRootTeamDelete': (_, response) => response.result(true),
+      'keybase.1.teamsUi.confirmSubteamDelete': (_, response) => response.result(true),
+    },
+    incomingCallMap: {},
+    params: {
+      name: action.payload.teamname,
+    },
+    waitingKey: Constants.deleteTeamWaitingKey(action.payload.teamname),
+  })
 }
 const leaveTeam = async (_: TypedState, action: TeamsGen.LeaveTeamPayload, logger: Saga.SagaLogger) => {
   const {context, teamname} = action.payload
@@ -1406,7 +1404,7 @@ function addThemToTeamFromTeamBuilder(
   )
 }
 
-function* teamBuildingSaga(): Saga.SagaGenerator<any, any> {
+function* teamBuildingSaga() {
   yield* commonTeamBuildingSaga('teams')
 
   yield* Saga.chainAction2(
@@ -1415,7 +1413,7 @@ function* teamBuildingSaga(): Saga.SagaGenerator<any, any> {
   )
 }
 
-const teamsSaga = function*(): Saga.SagaGenerator<any, any> {
+const teamsSaga = function*() {
   yield* Saga.chainAction2(TeamsGen.leaveTeam, leaveTeam, 'leaveTeam')
   yield* Saga.chainGenerator<TeamsGen.DeleteTeamPayload>(TeamsGen.deleteTeam, deleteTeam, 'deleteTeam')
   yield* Saga.chainAction2(TeamsGen.getTeamProfileAddList, getTeamProfileAddList, 'getTeamProfileAddList')
diff --git a/shared/actions/tracker2.tsx b/shared/actions/tracker2.tsx
index a656b9fdfd1d..36f442aa4627 100644
--- a/shared/actions/tracker2.tsx
+++ b/shared/actions/tracker2.tsx
@@ -146,17 +146,15 @@ function* load(state: Container.TypedState, action: Tracker2Gen.LoadPayload) {
     throw new Error('No guid on profile 2 load? ' + action.payload.assertion || '')
   }
   try {
-    yield* Saga.callRPCs(
-      RPCTypes.identify3Identify3RpcSaga({
-        incomingCallMap: {},
-        params: {
-          assertion: action.payload.assertion,
-          guiID: action.payload.guiID,
-          ignoreCache: !!action.payload.ignoreCache,
-        },
-        waitingKey: Constants.profileLoadWaitingKey,
-      })
-    )
+    yield RPCTypes.identify3Identify3RpcSaga({
+      incomingCallMap: {},
+      params: {
+        assertion: action.payload.assertion,
+        guiID: action.payload.guiID,
+        ignoreCache: !!action.payload.ignoreCache,
+      },
+      waitingKey: Constants.profileLoadWaitingKey,
+    })
   } catch (err) {
     if (err.code === RPCTypes.StatusCode.scresolutionfailed) {
       yield Saga.put(
@@ -286,7 +284,7 @@ const loadNonUserProfile = async (_: Container.TypedState, action: Tracker2Gen.L
   }
 }
 
-function* tracker2Saga(): Saga.SagaGenerator<any, any> {
+function* tracker2Saga() {
   yield* Saga.chainAction2(EngineGen.keybase1Identify3UiIdentify3UpdateUserCard, updateUserCard)
   yield* Saga.chainAction2(Tracker2Gen.changeFollow, changeFollow)
   yield* Saga.chainAction2(Tracker2Gen.ignore, ignore)
diff --git a/shared/actions/unlock-folders.tsx b/shared/actions/unlock-folders.tsx
index 846871dd15ed..f17a4d50c555 100644
--- a/shared/actions/unlock-folders.tsx
+++ b/shared/actions/unlock-folders.tsx
@@ -72,7 +72,7 @@ const delegateRekeyUI = (
   response && response.result(session.id)
 }
 
-function* unlockFoldersSaga(): Saga.SagaGenerator<any, any> {
+function* unlockFoldersSaga() {
   yield* Saga.chainGenerator<UnlockFoldersGen.CheckPaperKeyPayload>(
     UnlockFoldersGen.checkPaperKey,
     checkPaperKey
diff --git a/shared/actions/users.tsx b/shared/actions/users.tsx
index bdbd974f7be5..3245f1c1b2e9 100644
--- a/shared/actions/users.tsx
+++ b/shared/actions/users.tsx
@@ -13,7 +13,7 @@ const onIdentifyUpdate = (
     newlyFixed: action.payload.params.okUsernames || [],
   })
 
-function* usersSaga(): Saga.SagaGenerator<any, any> {
+function* usersSaga() {
   yield* Saga.chainAction2(EngineGen.keybase1NotifyUsersIdentifyUpdate, onIdentifyUpdate, 'onIdentifyUpdate')
 }
 
diff --git a/shared/actions/wallets.tsx b/shared/actions/wallets.tsx
index 78a992dbaabf..abadbee3fd91 100644
--- a/shared/actions/wallets.tsx
+++ b/shared/actions/wallets.tsx
@@ -13,7 +13,7 @@ import * as RouteTreeGen from './route-tree-gen'
 import * as Flow from '../util/flow'
 import * as Router2Constants from '../constants/router2'
 import HiddenString from '../util/hidden-string'
-import logger from '../logger'
+import _logger from '../logger'
 import * as Tabs from '../constants/tabs'
 import * as SettingsConstants from '../constants/settings'
 import * as I from 'immutable'
@@ -35,7 +35,7 @@ const buildErrCatcher = (err: any) => {
   if (err instanceof RPCError && err.code === RPCTypes.StatusCode.sccanceled) {
     // ignore cancellation
   } else {
-    logger.error(`buildPayment error: ${err.message}`)
+    _logger.error(`buildPayment error: ${err.message}`)
     throw err
   }
 }
@@ -219,7 +219,7 @@ function* requestPayment(state: TypedState, _: WalletsGen.RequestPaymentPayload,
     )
   } catch (err) {
     buildErrCatcher(err)
-    return null
+    return false
   }
   if (!buildRes.readyToRequest) {
     logger.warn(
@@ -233,7 +233,7 @@ function* requestPayment(state: TypedState, _: WalletsGen.RequestPaymentPayload,
         forBuildCounter: state.wallets.buildCounter,
       })
     )
-    return null
+    return false
   }
 
   const kbRqID: Saga.RPCPromiseType<
@@ -263,6 +263,7 @@ function* requestPayment(state: TypedState, _: WalletsGen.RequestPaymentPayload,
       })
     ),
   ])
+  return false
 }
 
 const startPayment = async (state: TypedState) => {
@@ -420,9 +421,9 @@ const handleSelectAccountError = (action, msg, err) => {
     action.payload.reason === 'auto-selected'
   ) {
     // No need to throw black bars -- handled by Reloadable.
-    logger.warn(errMsg)
+    _logger.warn(errMsg)
   } else {
-    logger.error(errMsg)
+    _logger.error(errMsg)
     throw err
   }
 }
@@ -561,7 +562,7 @@ const loadSendAssetChoices = async (_: TypedState, action: WalletsGen.LoadSendAs
     // The result is dropped here. See PICNIC-84 for fixing it.
     return res && WalletsGen.createSendAssetChoicesReceived({sendAssetChoices: res})
   } catch (err) {
-    logger.warn(`Error: ${err.desc}`)
+    _logger.warn(`Error: ${err.desc}`)
     return false
   }
 }
@@ -689,7 +690,7 @@ const setAccountAsDefault = async (_: TypedState, action: WalletsGen.SetAccountA
   return WalletsGen.createDidSetAccountAsDefault({
     accounts: (accountsAfterUpdate || []).map(account => {
       if (!account.accountID) {
-        logger.error(`Found empty accountID, name: ${account.name} isDefault: ${String(account.isDefault)}`)
+        _logger.error(`Found empty accountID, name: ${account.name} isDefault: ${String(account.isDefault)}`)
       }
       return Constants.accountResultToAccount(account)
     }),
@@ -1402,7 +1403,7 @@ const addTrustline = async (state: TypedState, {payload: {accountID, assetID}})
     )
     return [WalletsGen.createChangedTrustline(), refresh]
   } catch (err) {
-    logger.warn(`Error: ${err.desc}`)
+    _logger.warn(`Error: ${err.desc}`)
     return [WalletsGen.createChangedTrustlineError({error: err.desc}), refresh]
   }
 }
@@ -1423,7 +1424,7 @@ const deleteTrustline = async (state: TypedState, {payload: {accountID, assetID}
     )
     return [WalletsGen.createChangedTrustline(), refresh]
   } catch (err) {
-    logger.warn(`Error: ${err.desc}`)
+    _logger.warn(`Error: ${err.desc}`)
     return [WalletsGen.createChangedTrustlineError({error: err.desc}), refresh]
   }
 }
@@ -1671,9 +1672,10 @@ function* loadStaticConfig(state: TypedState, action: ConfigGen.DaemonHandshakeP
       })
     )
   }
+  return false
 }
 
-function* walletsSaga(): Saga.SagaGenerator<any, any> {
+function* walletsSaga() {
   yield* Saga.chainAction2(WalletsGen.createNewAccount, createNewAccount, 'createNewAccount')
   yield* Saga.chainAction2(
     [
diff --git a/shared/chat/conversation/list-area/normal/index.stories.tsx b/shared/chat/conversation/list-area/normal/index.stories.tsx
index c0e7564bb6ed..35ed95003962 100644
--- a/shared/chat/conversation/list-area/normal/index.stories.tsx
+++ b/shared/chat/conversation/list-area/normal/index.stories.tsx
@@ -24,7 +24,7 @@ const makeMoreOrdinals = (
   num = __STORYSHOT__ ? 10 : 100
 ): I.List<Types.Ordinal> => {
   if (direction === 'prepend') {
-    const oldStart = ordinals.size ? Types.ordinalToNumber(ordinals.first()) : firstOrdinal
+    const oldStart = ordinals.size ? Types.ordinalToNumber(ordinals.first() as Types.Ordinal) : firstOrdinal
     const start = Math.max(0, oldStart - num)
     const end = oldStart
     const newOrdinals: Array<Types.Ordinal> = []
@@ -33,7 +33,7 @@ const makeMoreOrdinals = (
     }
     return ordinals.unshift(...newOrdinals)
   } else {
-    const oldEnd = ordinals.size ? Types.ordinalToNumber(ordinals.last()) + 1 : firstOrdinal
+    const oldEnd = ordinals.size ? Types.ordinalToNumber(ordinals.last() as Types.Ordinal) + 1 : firstOrdinal
     const start = oldEnd
     const end = oldEnd + num
     const newOrdinals: Array<Types.Ordinal> = []
diff --git a/shared/constants/chat2/message.tsx b/shared/constants/chat2/message.tsx
index 4c7e3efad6b6..1e4d730f2bb5 100644
--- a/shared/constants/chat2/message.tsx
+++ b/shared/constants/chat2/message.tsx
@@ -1081,9 +1081,9 @@ export const makePendingTextMessage = (
   // would cause the timer to count down while the message is still pending
   // and probably reset when we get the real message back.
 
-  const lastOrdinal = state.chat2.messageOrdinals
-    .get(conversationIDKey, I.List())
-    .last(Types.numberToOrdinal(0))
+  const lastOrdinal = (state.chat2.messageOrdinals.get(conversationIDKey) || I.OrderedSet<number>()).last(
+    Types.numberToOrdinal(0)
+  )
   const ordinal = nextFractionalOrdinal(lastOrdinal)
 
   const explodeInfo = explodeTime ? {exploding: true, explodingTime: Date.now() + explodeTime * 1000} : {}
@@ -1115,9 +1115,9 @@ export const makePendingAttachmentMessage = (
   errorReason: string | null,
   explodeTime?: number
 ) => {
-  const lastOrdinal = state.chat2.messageOrdinals
-    .get(conversationIDKey, I.List())
-    .last(Types.numberToOrdinal(0))
+  const lastOrdinal = (state.chat2.messageOrdinals.get(conversationIDKey) || I.OrderedSet<number>()).last(
+    Types.numberToOrdinal(0)
+  )
   const ordinal = !inOrdinal ? nextFractionalOrdinal(lastOrdinal) : inOrdinal
   const explodeInfo = explodeTime ? {exploding: true, explodingTime: Date.now() + explodeTime * 1000} : {}
 
diff --git a/shared/constants/fs.tsx b/shared/constants/fs.tsx
index 2458f7ff54d9..f9a9efbb062f 100644
--- a/shared/constants/fs.tsx
+++ b/shared/constants/fs.tsx
@@ -870,7 +870,7 @@ export const getChatTarget = (path: Types.Path, me: string): string => {
     if (parsedPath.writers.size + (parsedPath.readers ? parsedPath.readers.size : 0) === 2) {
       const notMe = parsedPath.writers.concat(parsedPath.readers || []).filter(u => u !== me)
       if (notMe.size === 1) {
-        return notMe.first()
+        return notMe.first() as string
       }
     }
     return 'group conversation'
diff --git a/shared/constants/teams.tsx b/shared/constants/teams.tsx
index f4331fd568db..21f2cea55447 100644
--- a/shared/constants/teams.tsx
+++ b/shared/constants/teams.tsx
@@ -297,7 +297,11 @@ export const userIsRoleInTeam = (
   username: string,
   role: Types.TeamRoleType
 ): boolean => {
-  return userIsRoleInTeamWithInfo(state.teams.teamNameToMembers.get(teamname, I.Map()), username, role)
+  return userIsRoleInTeamWithInfo(
+    state.teams.teamNameToMembers.get(teamname) || I.Map<string, Types.MemberInfo>(),
+    username,
+    role
+  )
 }
 
 const getEmailInviteError = (state: TypedState) => state.teams.emailInviteError
@@ -309,7 +313,10 @@ const getTeamChannelInfos = (
   state: TypedState,
   teamname: Types.Teamname
 ): I.Map<ChatTypes.ConversationIDKey, Types.ChannelInfo> => {
-  return state.teams.teamNameToChannelInfos.get(teamname, I.Map())
+  return (
+    state.teams.teamNameToChannelInfos.get(teamname) ||
+    I.Map<ChatTypes.ConversationIDKey, Types.ChannelInfo>()
+  )
 }
 
 const getChannelInfoFromConvID = (
@@ -452,7 +459,7 @@ const isBigTeam = (state: TypedState, teamname: Types.Teamname): boolean =>
   getTeamType(state, teamname) === 'big'
 
 const getTeamMembers = (state: TypedState, teamname: Types.Teamname): I.Map<string, Types.MemberInfo> =>
-  state.teams.teamNameToMembers.get(teamname, I.Map())
+  state.teams.teamNameToMembers.get(teamname) || I.Map<string, Types.MemberInfo>()
 
 const getTeamPublicitySettings = (state: TypedState, teamname: Types.Teamname): Types._PublicitySettings =>
   state.teams.teamNameToPublicitySettings.get(teamname, {
@@ -481,13 +488,13 @@ const getTeamSubteams = (state: TypedState, teamname: Types.Teamname): I.Set<Typ
   state.teams.teamNameToSubteams.get(teamname, I.Set())
 
 const getTeamSettings = (state: TypedState, teamname: Types.Teamname): Types.TeamSettings =>
-  state.teams.teamNameToSettings.get(teamname, makeTeamSettings())
+  state.teams.teamNameToSettings.get(teamname) || makeTeamSettings()
 
 const getTeamResetUsers = (state: TypedState, teamname: Types.Teamname): I.Set<Types.ResetUser> =>
   state.teams.teamNameToResetUsers.get(teamname, I.Set())
 
 const getTeamLoadingInvites = (state: TypedState, teamname: Types.Teamname): I.Map<string, boolean> =>
-  state.teams.teamNameToLoadingInvites.get(teamname, I.Map())
+  state.teams.teamNameToLoadingInvites.get(teamname) || I.Map<string, boolean>()
 
 const getTeamRequests = (state: TypedState, teamname: Types.Teamname): I.Set<Types.RequestInfo> =>
   state.teams.teamNameToRequests.get(teamname, I.Set())
diff --git a/shared/fs/footer/upload-container.tsx b/shared/fs/footer/upload-container.tsx
index 4c08c039c7d7..a4f21e1dc478 100644
--- a/shared/fs/footer/upload-container.tsx
+++ b/shared/fs/footer/upload-container.tsx
@@ -70,7 +70,10 @@ export const uploadsToUploadCountdownHOCProps = (
     // since journal status comes a bit slower, and merging the two causes
     // flakes on our perception of overall upload status.
     endEstimate: enableDebugUploadBanner ? (uploads.endEstimate || 0) + 32000 : uploads.endEstimate || 0,
-    fileName: filePaths.size === 1 ? Types.getPathName(filePaths.first() || Types.stringToPath('')) : null,
+    fileName:
+      filePaths.size === 1
+        ? Types.getPathName((filePaths.first() as Types.Path) || Types.stringToPath(''))
+        : null,
     files: filePaths.size,
     totalSyncingBytes: uploads.totalSyncingBytes,
   }
diff --git a/shared/override-d.ts/react-native/kb-custom b/shared/override-d.ts/react-native/kb-custom
index 209798bb3c9a..61faf9c6cbcc 100644
--- a/shared/override-d.ts/react-native/kb-custom
+++ b/shared/override-d.ts/react-native/kb-custom
@@ -1,6 +1,7 @@
 // KB changes
 // comment out navigator
 // comment out globals.d.ts
+// comment out geolocation
 // add VirtualizedList
 //
 // Type definitions for react-native 0.60
@@ -44,51 +45,45 @@
 /// <reference path="legacy-properties.d.ts" />
 /// <reference path="BatchedBridge.d.ts" />
 /// <reference path="Devtools.d.ts" />
+/// <reference path="LaunchScreen.d.ts" />
 
-import * as PropTypes from 'prop-types'
-import * as React from 'react'
-
+import * as PropTypes from "prop-types";
+import * as React from "react";
 export class VirtualizedList<ItemT> extends React.Component<VirtualizedListProps<ItemT>> {}
-
-type Constructor<T> = new (...args: any[]) => T
+type Constructor<T> = new (...args: any[]) => T;
 
 export type MeasureOnSuccessCallback = (
-  x: number,
-  y: number,
-  width: number,
-  height: number,
-  pageX: number,
-  pageY: number
-) => void
-
-export type MeasureInWindowOnSuccessCallback = (x: number, y: number, width: number, height: number) => void
-
-export type MeasureLayoutOnSuccessCallback = (
-  left: number,
-  top: number,
-  width: number,
-  height: number
-) => void
+    x: number,
+    y: number,
+    width: number,
+    height: number,
+    pageX: number,
+    pageY: number
+) => void;
+
+export type MeasureInWindowOnSuccessCallback = (x: number, y: number, width: number, height: number) => void;
+
+export type MeasureLayoutOnSuccessCallback = (left: number, top: number, width: number, height: number) => void;
 
 /**
  * EventSubscription represents a subscription to a particular event. It can
  * remove its own subscription.
  */
 interface EventSubscription {
-  eventType: string
-  key: number
-  subscriber: EventSubscriptionVendor
+    eventType: string;
+    key: number;
+    subscriber: EventSubscriptionVendor;
 
-  /**
-   * @param subscriber the subscriber that controls
-   *   this subscription.
-   */
-  new (subscriber: EventSubscriptionVendor): EventSubscription
+    /**
+     * @param subscriber the subscriber that controls
+     *   this subscription.
+     */
+    new (subscriber: EventSubscriptionVendor): EventSubscription;
 
-  /**
-   * Removes this subscription from the subscriber that controls it.
-   */
-  remove(): void
+    /**
+     * Removes this subscription from the subscriber that controls it.
+     */
+    remove(): void;
 }
 
 /**
@@ -96,185 +91,185 @@ interface EventSubscription {
  * subscribed to a particular event type.
  */
 interface EventSubscriptionVendor {
-  constructor(): EventSubscriptionVendor
-
-  /**
-   * Adds a subscription keyed by an event type.
-   *
-   */
-  addSubscription(eventType: string, subscription: EventSubscription): EventSubscription
-
-  /**
-   * Removes a bulk set of the subscriptions.
-   *
-   * @param eventType - Optional name of the event type whose
-   *   registered supscriptions to remove, if null remove all subscriptions.
-   */
-  removeAllSubscriptions(eventType?: string): void
-
-  /**
-   * Removes a specific subscription. Instead of calling this function, call
-   * `subscription.remove()` directly.
-   *
-   */
-  removeSubscription(subscription: any): void
-
-  /**
-   * Returns the array of subscriptions that are currently registered for the
-   * given event type.
-   *
-   * Note: This array can be potentially sparse as subscriptions are deleted
-   * from it when they are removed.
-   *
-   */
-  getSubscriptionsForType(eventType: string): EventSubscription[]
+    constructor(): EventSubscriptionVendor;
+
+    /**
+     * Adds a subscription keyed by an event type.
+     *
+     */
+    addSubscription(eventType: string, subscription: EventSubscription): EventSubscription;
+
+    /**
+     * Removes a bulk set of the subscriptions.
+     *
+     * @param eventType - Optional name of the event type whose
+     *   registered supscriptions to remove, if null remove all subscriptions.
+     */
+    removeAllSubscriptions(eventType?: string): void;
+
+    /**
+     * Removes a specific subscription. Instead of calling this function, call
+     * `subscription.remove()` directly.
+     *
+     */
+    removeSubscription(subscription: any): void;
+
+    /**
+     * Returns the array of subscriptions that are currently registered for the
+     * given event type.
+     *
+     * Note: This array can be potentially sparse as subscriptions are deleted
+     * from it when they are removed.
+     *
+     */
+    getSubscriptionsForType(eventType: string): EventSubscription[];
 }
 
 /**
  * EmitterSubscription represents a subscription with listener and context data.
  */
 interface EmitterSubscription extends EventSubscription {
-  emitter: EventEmitter
-  listener: () => any
-  context: any
-
-  /**
-   * @param emitter - The event emitter that registered this
-   *   subscription
-   * @param subscriber - The subscriber that controls
-   *   this subscription
-   * @param listener - Function to invoke when the specified event is
-   *   emitted
-   * @param context - Optional context object to use when invoking the
-   *   listener
-   */
-  new (
-    emitter: EventEmitter,
-    subscriber: EventSubscriptionVendor,
-    listener: () => any,
-    context: any
-  ): EmitterSubscription
-
-  /**
-   * Removes this subscription from the emitter that registered it.
-   * Note: we're overriding the `remove()` method of EventSubscription here
-   * but deliberately not calling `super.remove()` as the responsibility
-   * for removing the subscription lies with the EventEmitter.
-   */
-  remove(): void
+    emitter: EventEmitter;
+    listener: () => any;
+    context: any;
+
+    /**
+     * @param emitter - The event emitter that registered this
+     *   subscription
+     * @param subscriber - The subscriber that controls
+     *   this subscription
+     * @param listener - Function to invoke when the specified event is
+     *   emitted
+     * @param context - Optional context object to use when invoking the
+     *   listener
+     */
+    new (
+        emitter: EventEmitter,
+        subscriber: EventSubscriptionVendor,
+        listener: () => any,
+        context: any
+    ): EmitterSubscription;
+
+    /**
+     * Removes this subscription from the emitter that registered it.
+     * Note: we're overriding the `remove()` method of EventSubscription here
+     * but deliberately not calling `super.remove()` as the responsibility
+     * for removing the subscription lies with the EventEmitter.
+     */
+    remove(): void;
 }
 
 interface EventEmitterListener {
-  /**
-   * Adds a listener to be invoked when events of the specified type are
-   * emitted. An optional calling context may be provided. The data arguments
-   * emitted will be passed to the listener function.
-   *
-   * @param eventType - Name of the event to listen to
-   * @param listener - Function to invoke when the specified event is
-   *   emitted
-   * @param context - Optional context object to use when invoking the
-   *   listener
-   */
-  addListener(eventType: string, listener: (...args: any[]) => any, context?: any): EmitterSubscription
+    /**
+     * Adds a listener to be invoked when events of the specified type are
+     * emitted. An optional calling context may be provided. The data arguments
+     * emitted will be passed to the listener function.
+     *
+     * @param eventType - Name of the event to listen to
+     * @param listener - Function to invoke when the specified event is
+     *   emitted
+     * @param context - Optional context object to use when invoking the
+     *   listener
+     */
+    addListener(eventType: string, listener: (...args: any[]) => any, context?: any): EmitterSubscription;
 }
 
 interface EventEmitter extends EventEmitterListener {
-  /**
-   *
-   * @param subscriber - Optional subscriber instance
-   *   to use. If omitted, a new subscriber will be created for the emitter.
-   */
-  new (subscriber?: EventSubscriptionVendor): EventEmitter
-
-  /**
-   * Similar to addListener, except that the listener is removed after it is
-   * invoked once.
-   *
-   * @param eventType - Name of the event to listen to
-   * @param listener - Function to invoke only once when the
-   *   specified event is emitted
-   * @param context - Optional context object to use when invoking the
-   *   listener
-   */
-  once(eventType: string, listener: (...args: any[]) => any, context: any): EmitterSubscription
-
-  /**
-   * Removes all of the registered listeners, including those registered as
-   * listener maps.
-   *
-   * @param eventType - Optional name of the event whose registered
-   *   listeners to remove
-   */
-  removeAllListeners(eventType?: string): void
-
-  /**
-   * Provides an API that can be called during an eventing cycle to remove the
-   * last listener that was invoked. This allows a developer to provide an event
-   * object that can remove the listener (or listener map) during the
-   * invocation.
-   *
-   * If it is called when not inside of an emitting cycle it will throw.
-   *
-   * @throws {Error} When called not during an eventing cycle
-   *
-   * @example
-   *   const subscription = emitter.addListenerMap({
-   *     someEvent: function(data, event) {
-   *       console.log(data);
-   *       emitter.removeCurrentListener();
-   *     }
-   *   });
-   *
-   *   emitter.emit('someEvent', 'abc'); // logs 'abc'
-   *   emitter.emit('someEvent', 'def'); // does not log anything
-   */
-  removeCurrentListener(): void
-
-  /**
-   * Removes a specific subscription. Called by the `remove()` method of the
-   * subscription itself to ensure any necessary cleanup is performed.
-   */
-  removeSubscription(subscription: EmitterSubscription): void
-
-  /**
-   * Returns an array of listeners that are currently registered for the given
-   * event.
-   *
-   * @param eventType - Name of the event to query
-   */
-  listeners(eventType: string): EmitterSubscription[]
-
-  /**
-   * Emits an event of the given type with the given data. All handlers of that
-   * particular type will be notified.
-   *
-   * @param eventType - Name of the event to emit
-   * @param Arbitrary arguments to be passed to each registered listener
-   *
-   * @example
-   *   emitter.addListener('someEvent', function(message) {
-   *     console.log(message);
-   *   });
-   *
-   *   emitter.emit('someEvent', 'abc'); // logs 'abc'
-   */
-  emit(eventType: string, ...params: any[]): void
-
-  /**
-   * Removes the given listener for event of specific type.
-   *
-   * @param eventType - Name of the event to emit
-   * @param listener - Function to invoke when the specified event is
-   *   emitted
-   *
-   * @example
-   *   emitter.removeListener('someEvent', function(message) {
-   *     console.log(message);
-   *   }); // removes the listener if already registered
-   *
-   */
-  removeListener(eventType: string, listener: (...args: any[]) => any): void
+    /**
+     *
+     * @param subscriber - Optional subscriber instance
+     *   to use. If omitted, a new subscriber will be created for the emitter.
+     */
+    new (subscriber?: EventSubscriptionVendor): EventEmitter;
+
+    /**
+     * Similar to addListener, except that the listener is removed after it is
+     * invoked once.
+     *
+     * @param eventType - Name of the event to listen to
+     * @param listener - Function to invoke only once when the
+     *   specified event is emitted
+     * @param context - Optional context object to use when invoking the
+     *   listener
+     */
+    once(eventType: string, listener: (...args: any[]) => any, context: any): EmitterSubscription;
+
+    /**
+     * Removes all of the registered listeners, including those registered as
+     * listener maps.
+     *
+     * @param eventType - Optional name of the event whose registered
+     *   listeners to remove
+     */
+    removeAllListeners(eventType?: string): void;
+
+    /**
+     * Provides an API that can be called during an eventing cycle to remove the
+     * last listener that was invoked. This allows a developer to provide an event
+     * object that can remove the listener (or listener map) during the
+     * invocation.
+     *
+     * If it is called when not inside of an emitting cycle it will throw.
+     *
+     * @throws {Error} When called not during an eventing cycle
+     *
+     * @example
+     *   const subscription = emitter.addListenerMap({
+     *     someEvent: function(data, event) {
+     *       console.log(data);
+     *       emitter.removeCurrentListener();
+     *     }
+     *   });
+     *
+     *   emitter.emit('someEvent', 'abc'); // logs 'abc'
+     *   emitter.emit('someEvent', 'def'); // does not log anything
+     */
+    removeCurrentListener(): void;
+
+    /**
+     * Removes a specific subscription. Called by the `remove()` method of the
+     * subscription itself to ensure any necessary cleanup is performed.
+     */
+    removeSubscription(subscription: EmitterSubscription): void;
+
+    /**
+     * Returns an array of listeners that are currently registered for the given
+     * event.
+     *
+     * @param eventType - Name of the event to query
+     */
+    listeners(eventType: string): EmitterSubscription[];
+
+    /**
+     * Emits an event of the given type with the given data. All handlers of that
+     * particular type will be notified.
+     *
+     * @param eventType - Name of the event to emit
+     * @param Arbitrary arguments to be passed to each registered listener
+     *
+     * @example
+     *   emitter.addListener('someEvent', function(message) {
+     *     console.log(message);
+     *   });
+     *
+     *   emitter.emit('someEvent', 'abc'); // logs 'abc'
+     */
+    emit(eventType: string, ...params: any[]): void;
+
+    /**
+     * Removes the given listener for event of specific type.
+     *
+     * @param eventType - Name of the event to emit
+     * @param listener - Function to invoke when the specified event is
+     *   emitted
+     *
+     * @example
+     *   emitter.removeListener('someEvent', function(message) {
+     *     console.log(message);
+     *   }); // removes the listener if already registered
+     *
+     */
+    removeListener(eventType: string, listener: (...args: any[]) => any): void;
 }
 
 /** NativeMethodsMixin provides methods to access the underlying native component directly.
@@ -287,157 +282,157 @@ interface EventEmitter extends EventEmitterListener {
  * @see https://github.com/facebook/react-native/blob/master/Libraries/ReactIOS/NativeMethodsMixin.js
  */
 export interface NativeMethodsMixinStatic {
-  /**
-   * Determines the location on screen, width, and height of the given view and
-   * returns the values via an async callback. If successful, the callback will
-   * be called with the following arguments:
-   *
-   *  - x
-   *  - y
-   *  - width
-   *  - height
-   *  - pageX
-   *  - pageY
-   *
-   * Note that these measurements are not available until after the rendering
-   * has been completed in native. If you need the measurements as soon as
-   * possible, consider using the [`onLayout`
-   * prop](docs/view.html#onlayout) instead.
-   */
-  measure(callback: MeasureOnSuccessCallback): void
-
-  /**
-   * Determines the location of the given view in the window and returns the
-   * values via an async callback. If the React root view is embedded in
-   * another native view, this will give you the absolute coordinates. If
-   * successful, the callback will be called with the following
-   * arguments:
-   *
-   *  - x
-   *  - y
-   *  - width
-   *  - height
-   *
-   * Note that these measurements are not available until after the rendering
-   * has been completed in native.
-   */
-  measureInWindow(callback: MeasureInWindowOnSuccessCallback): void
-
-  /**
-   * Like [`measure()`](#measure), but measures the view relative an ancestor,
-   * specified as `relativeToNativeNode`. This means that the returned x, y
-   * are relative to the origin x, y of the ancestor view.
-   *
-   * As always, to obtain a native node handle for a component, you can use
-   * `React.findNodeHandle(component)`.
-   */
-  measureLayout(
-    relativeToNativeNode: number,
-    onSuccess: MeasureLayoutOnSuccessCallback,
-    onFail: () => void /* currently unused */
-  ): void
-
-  /**
-   * This function sends props straight to native. They will not participate in
-   * future diff process - this means that if you do not include them in the
-   * next render, they will remain active (see [Direct
-   * Manipulation](docs/direct-manipulation.html)).
-   */
-  setNativeProps(nativeProps: Object): void
-
-  /**
-   * Requests focus for the given input or view. The exact behavior triggered
-   * will depend on the platform and type of view.
-   */
-  focus(): void
-
-  /**
-   * Removes focus from an input or view. This is the opposite of `focus()`.
-   */
-  blur(): void
-
-  refs: {
-    [key: string]: React.Component<any, any>
-  }
+    /**
+     * Determines the location on screen, width, and height of the given view and
+     * returns the values via an async callback. If successful, the callback will
+     * be called with the following arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *  - pageX
+     *  - pageY
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native. If you need the measurements as soon as
+     * possible, consider using the [`onLayout`
+     * prop](docs/view.html#onlayout) instead.
+     */
+    measure(callback: MeasureOnSuccessCallback): void;
+
+    /**
+     * Determines the location of the given view in the window and returns the
+     * values via an async callback. If the React root view is embedded in
+     * another native view, this will give you the absolute coordinates. If
+     * successful, the callback will be called with the following
+     * arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native.
+     */
+    measureInWindow(callback: MeasureInWindowOnSuccessCallback): void;
+
+    /**
+     * Like [`measure()`](#measure), but measures the view relative an ancestor,
+     * specified as `relativeToNativeNode`. This means that the returned x, y
+     * are relative to the origin x, y of the ancestor view.
+     *
+     * As always, to obtain a native node handle for a component, you can use
+     * `React.findNodeHandle(component)`.
+     */
+    measureLayout(
+        relativeToNativeNode: number,
+        onSuccess: MeasureLayoutOnSuccessCallback,
+        onFail: () => void /* currently unused */
+    ): void;
+
+    /**
+     * This function sends props straight to native. They will not participate in
+     * future diff process - this means that if you do not include them in the
+     * next render, they will remain active (see [Direct
+     * Manipulation](docs/direct-manipulation.html)).
+     */
+    setNativeProps(nativeProps: Object): void;
+
+    /**
+     * Requests focus for the given input or view. The exact behavior triggered
+     * will depend on the platform and type of view.
+     */
+    focus(): void;
+
+    /**
+     * Removes focus from an input or view. This is the opposite of `focus()`.
+     */
+    blur(): void;
+
+    refs: {
+        [key: string]: React.Component<any, any>;
+    };
 }
 
 // see react-jsx.d.ts
 export function createElement<P>(
-  type: React.ReactType,
-  props?: P,
-  ...children: React.ReactNode[]
-): React.ReactElement<P>
+    type: React.ReactType,
+    props?: P,
+    ...children: React.ReactNode[]
+): React.ReactElement<P>;
 
-export type Runnable = (appParameters: any) => void
+export type Runnable = (appParameters: any) => void;
 
-type Task = (taskData: any) => Promise<void>
-type TaskProvider = () => Task
+type Task = (taskData: any) => Promise<void>;
+type TaskProvider = () => Task;
 
-type NodeHandle = number
+type NodeHandle = number;
 
 // Similar to React.SyntheticEvent except for nativeEvent
 export interface NativeSyntheticEvent<T> extends React.BaseSyntheticEvent<T, NodeHandle, NodeHandle> {}
 
 export interface NativeTouchEvent {
-  /**
-   * Array of all touch events that have changed since the last event
-   */
-  changedTouches: NativeTouchEvent[]
-
-  /**
-   * The ID of the touch
-   */
-  identifier: string
-
-  /**
-   * The X position of the touch, relative to the element
-   */
-  locationX: number
-
-  /**
-   * The Y position of the touch, relative to the element
-   */
-  locationY: number
-
-  /**
-   * The X position of the touch, relative to the screen
-   */
-  pageX: number
-
-  /**
-   * The Y position of the touch, relative to the screen
-   */
-  pageY: number
-
-  /**
-   * The node id of the element receiving the touch event
-   */
-  target: string
-
-  /**
-   * A time identifier for the touch, useful for velocity calculation
-   */
-  timestamp: number
-
-  /**
-   * Array of all current touches on the screen
-   */
-  touches: NativeTouchEvent[]
+    /**
+     * Array of all touch events that have changed since the last event
+     */
+    changedTouches: NativeTouchEvent[];
+
+    /**
+     * The ID of the touch
+     */
+    identifier: string;
+
+    /**
+     * The X position of the touch, relative to the element
+     */
+    locationX: number;
+
+    /**
+     * The Y position of the touch, relative to the element
+     */
+    locationY: number;
+
+    /**
+     * The X position of the touch, relative to the screen
+     */
+    pageX: number;
+
+    /**
+     * The Y position of the touch, relative to the screen
+     */
+    pageY: number;
+
+    /**
+     * The node id of the element receiving the touch event
+     */
+    target: string;
+
+    /**
+     * A time identifier for the touch, useful for velocity calculation
+     */
+    timestamp: number;
+
+    /**
+     * Array of all current touches on the screen
+     */
+    touches: NativeTouchEvent[];
 }
 
 export interface GestureResponderEvent extends NativeSyntheticEvent<NativeTouchEvent> {}
 
 // See https://facebook.github.io/react-native/docs/scrollview.html#contentoffset
 export interface PointPropType {
-  x: number
-  y: number
+    x: number;
+    y: number;
 }
 
 export interface Insets {
-  top?: number
-  left?: number
-  bottom?: number
-  right?: number
+    top?: number;
+    left?: number;
+    bottom?: number;
+    right?: number;
 }
 
 /**
@@ -445,20 +440,20 @@ export interface Insets {
  * @see React.DOMAtributes
  */
 export interface Touchable {
-  onTouchStart?: (event: GestureResponderEvent) => void
-  onTouchMove?: (event: GestureResponderEvent) => void
-  onTouchEnd?: (event: GestureResponderEvent) => void
-  onTouchCancel?: (event: GestureResponderEvent) => void
-  onTouchEndCapture?: (event: GestureResponderEvent) => void
+    onTouchStart?: (event: GestureResponderEvent) => void;
+    onTouchMove?: (event: GestureResponderEvent) => void;
+    onTouchEnd?: (event: GestureResponderEvent) => void;
+    onTouchCancel?: (event: GestureResponderEvent) => void;
+    onTouchEndCapture?: (event: GestureResponderEvent) => void;
 }
 
-export type ComponentProvider = () => React.ComponentType<any>
+export type ComponentProvider = () => React.ComponentType<any>;
 
 export type AppConfig = {
-  appKey: string
-  component?: ComponentProvider
-  run?: Runnable
-}
+    appKey: string;
+    component?: ComponentProvider;
+    run?: Runnable;
+};
 
 // https://github.com/facebook/react-native/blob/master/Libraries/AppRegistry/AppRegistry.js
 /**
@@ -477,81 +472,81 @@ export type AppConfig = {
  * `require`d.
  */
 export namespace AppRegistry {
-  function registerConfig(config: AppConfig[]): void
+    function registerConfig(config: AppConfig[]): void;
 
-  function registerComponent(appKey: string, getComponentFunc: ComponentProvider): string
+    function registerComponent(appKey: string, getComponentFunc: ComponentProvider): string;
 
-  function registerRunnable(appKey: string, func: Runnable): string
+    function registerRunnable(appKey: string, func: Runnable): string;
 
-  function getAppKeys(): string[]
+    function getAppKeys(): string[];
 
-  function unmountApplicationComponentAtRootTag(rootTag: number): void
+    function unmountApplicationComponentAtRootTag(rootTag: number): void;
 
-  function runApplication(appKey: string, appParameters: any): void
+    function runApplication(appKey: string, appParameters: any): void;
 
-  function registerHeadlessTask(appKey: string, task: TaskProvider): void
+    function registerHeadlessTask(appKey: string, task: TaskProvider): void;
 
-  function getRunnable(appKey: string): Runnable | undefined
+    function getRunnable(appKey: string): Runnable | undefined;
 }
 
 export interface LayoutAnimationTypes {
-  spring: string
-  linear: string
-  easeInEaseOut: string
-  easeIn: string
-  easeOut: string
-  keyboard: string
+    spring: string;
+    linear: string;
+    easeInEaseOut: string;
+    easeIn: string;
+    easeOut: string;
+    keyboard: string;
 }
 
 export interface LayoutAnimationProperties {
-  opacity: string
-  scaleXY: string
+    opacity: string;
+    scaleXY: string;
 }
 
 export interface LayoutAnimationAnim {
-  duration?: number
-  delay?: number
-  springDamping?: number
-  initialVelocity?: number
-  type?: string //LayoutAnimationTypes
-  property?: string //LayoutAnimationProperties
+    duration?: number;
+    delay?: number;
+    springDamping?: number;
+    initialVelocity?: number;
+    type?: string; //LayoutAnimationTypes
+    property?: string; //LayoutAnimationProperties
 }
 
 export interface LayoutAnimationConfig {
-  duration: number
-  create?: LayoutAnimationAnim
-  update?: LayoutAnimationAnim
-  delete?: LayoutAnimationAnim
+    duration: number;
+    create?: LayoutAnimationAnim;
+    update?: LayoutAnimationAnim;
+    delete?: LayoutAnimationAnim;
 }
 
 /** Automatically animates views to their new positions when the next layout happens.
  * A common way to use this API is to call LayoutAnimation.configureNext before
  * calling setState. */
 export interface LayoutAnimationStatic {
-  /** Schedules an animation to happen on the next layout.
-   * @param config Specifies animation properties:
-   * `duration` in milliseconds
-   * `create`, config for animating in new views (see Anim type)
-   * `update`, config for animating views that have been updated (see Anim type)
-   * @param onAnimationDidEnd Called when the animation finished. Only supported on iOS.
-   */
-  configureNext: (config: LayoutAnimationConfig, onAnimationDidEnd?: () => void) => void
-  /** Helper for creating a config for configureNext. */
-  create: (duration: number, type?: string, creationProp?: string) => LayoutAnimationConfig
-  Types: LayoutAnimationTypes
-  Properties: LayoutAnimationProperties
-  configChecker: (shapeTypes: {[key: string]: any}) => any
-  Presets: {
-    easeInEaseOut: LayoutAnimationConfig
-    linear: LayoutAnimationConfig
-    spring: LayoutAnimationConfig
-  }
-  easeInEaseOut: (onAnimationDidEnd?: () => void) => void
-  linear: (onAnimationDidEnd?: () => void) => void
-  spring: (onAnimationDidEnd?: () => void) => void
-}
-
-type FlexAlignType = 'flex-start' | 'flex-end' | 'center' | 'stretch' | 'baseline'
+    /** Schedules an animation to happen on the next layout.
+     * @param config Specifies animation properties:
+     * `duration` in milliseconds
+     * `create`, config for animating in new views (see Anim type)
+     * `update`, config for animating views that have been updated (see Anim type)
+     * @param onAnimationDidEnd Called when the animation finished. Only supported on iOS.
+     */
+    configureNext: (config: LayoutAnimationConfig, onAnimationDidEnd?: () => void) => void;
+    /** Helper for creating a config for configureNext. */
+    create: (duration: number, type?: string, creationProp?: string) => LayoutAnimationConfig;
+    Types: LayoutAnimationTypes;
+    Properties: LayoutAnimationProperties;
+    configChecker: (shapeTypes: { [key: string]: any }) => any;
+    Presets: {
+        easeInEaseOut: LayoutAnimationConfig;
+        linear: LayoutAnimationConfig;
+        spring: LayoutAnimationConfig;
+    };
+    easeInEaseOut: (onAnimationDidEnd?: () => void) => void;
+    linear: (onAnimationDidEnd?: () => void) => void;
+    spring: (onAnimationDidEnd?: () => void) => void;
+}
+
+type FlexAlignType = "flex-start" | "flex-end" | "center" | "stretch" | "baseline";
 
 /**
  * Flex Prop Types
@@ -560,389 +555,384 @@ type FlexAlignType = 'flex-start' | 'flex-end' | 'center' | 'stretch' | 'baselin
  * @see https://github.com/facebook/react-native/blob/master/Libraries/StyleSheet/LayoutPropTypes.js
  */
 export interface FlexStyle {
-  alignContent?: 'flex-start' | 'flex-end' | 'center' | 'stretch' | 'space-between' | 'space-around'
-  alignItems?: FlexAlignType
-  alignSelf?: 'auto' | FlexAlignType
-  aspectRatio?: number
-  borderBottomWidth?: number
-  borderEndWidth?: number | string
-  borderLeftWidth?: number
-  borderRightWidth?: number
-  borderStartWidth?: number | string
-  borderTopWidth?: number
-  borderWidth?: number
-  bottom?: number | string
-  display?: 'none' | 'flex'
-  end?: number | string
-  flex?: number
-  flexBasis?: number | string
-  flexDirection?: 'row' | 'column' | 'row-reverse' | 'column-reverse'
-  flexGrow?: number
-  flexShrink?: number
-  flexWrap?: 'wrap' | 'nowrap' | 'wrap-reverse'
-  height?: number | string
-  justifyContent?: 'flex-start' | 'flex-end' | 'center' | 'space-between' | 'space-around' | 'space-evenly'
-  left?: number | string
-  margin?: number | string
-  marginBottom?: number | string
-  marginEnd?: number | string
-  marginHorizontal?: number | string
-  marginLeft?: number | string
-  marginRight?: number | string
-  marginStart?: number | string
-  marginTop?: number | string
-  marginVertical?: number | string
-  maxHeight?: number | string
-  maxWidth?: number | string
-  minHeight?: number | string
-  minWidth?: number | string
-  overflow?: 'visible' | 'hidden' | 'scroll'
-  padding?: number | string
-  paddingBottom?: number | string
-  paddingEnd?: number | string
-  paddingHorizontal?: number | string
-  paddingLeft?: number | string
-  paddingRight?: number | string
-  paddingStart?: number | string
-  paddingTop?: number | string
-  paddingVertical?: number | string
-  position?: 'absolute' | 'relative'
-  right?: number | string
-  start?: number | string
-  top?: number | string
-  width?: number | string
-  zIndex?: number
-
-  /**
-   * @platform ios
-   */
-  direction?: 'inherit' | 'ltr' | 'rtl'
+    alignContent?: "flex-start" | "flex-end" | "center" | "stretch" | "space-between" | "space-around";
+    alignItems?: FlexAlignType;
+    alignSelf?: "auto" | FlexAlignType;
+    aspectRatio?: number;
+    borderBottomWidth?: number;
+    borderEndWidth?: number | string;
+    borderLeftWidth?: number;
+    borderRightWidth?: number;
+    borderStartWidth?: number | string;
+    borderTopWidth?: number;
+    borderWidth?: number;
+    bottom?: number | string;
+    display?: "none" | "flex";
+    end?: number | string;
+    flex?: number;
+    flexBasis?: number | string;
+    flexDirection?: "row" | "column" | "row-reverse" | "column-reverse";
+    flexGrow?: number;
+    flexShrink?: number;
+    flexWrap?: "wrap" | "nowrap" | "wrap-reverse";
+    height?: number | string;
+    justifyContent?: "flex-start" | "flex-end" | "center" | "space-between" | "space-around" | "space-evenly";
+    left?: number | string;
+    margin?: number | string;
+    marginBottom?: number | string;
+    marginEnd?: number | string;
+    marginHorizontal?: number | string;
+    marginLeft?: number | string;
+    marginRight?: number | string;
+    marginStart?: number | string;
+    marginTop?: number | string;
+    marginVertical?: number | string;
+    maxHeight?: number | string;
+    maxWidth?: number | string;
+    minHeight?: number | string;
+    minWidth?: number | string;
+    overflow?: "visible" | "hidden" | "scroll";
+    padding?: number | string;
+    paddingBottom?: number | string;
+    paddingEnd?: number | string;
+    paddingHorizontal?: number | string;
+    paddingLeft?: number | string;
+    paddingRight?: number | string;
+    paddingStart?: number | string;
+    paddingTop?: number | string;
+    paddingVertical?: number | string;
+    position?: "absolute" | "relative";
+    right?: number | string;
+    start?: number | string;
+    top?: number | string;
+    width?: number | string;
+    zIndex?: number;
+
+    /**
+     * @platform ios
+     */
+    direction?: "inherit" | "ltr" | "rtl";
 }
 
 /**
  * @see ShadowPropTypesIOS.js
  */
 export interface ShadowPropTypesIOSStatic {
-  /**
-   * Sets the drop shadow color
-   * @platform ios
-   */
-  shadowColor: string
-
-  /**
-   * Sets the drop shadow offset
-   * @platform ios
-   */
-  shadowOffset: {width: number; height: number}
-
-  /**
-   * Sets the drop shadow opacity (multiplied by the color's alpha component)
-   * @platform ios
-   */
-  shadowOpacity: number
-
-  /**
-   * Sets the drop shadow blur radius
-   * @platform ios
-   */
-  shadowRadius: number
+    /**
+     * Sets the drop shadow color
+     * @platform ios
+     */
+    shadowColor: string;
+
+    /**
+     * Sets the drop shadow offset
+     * @platform ios
+     */
+    shadowOffset: { width: number; height: number };
+
+    /**
+     * Sets the drop shadow opacity (multiplied by the color's alpha component)
+     * @platform ios
+     */
+    shadowOpacity: number;
+
+    /**
+     * Sets the drop shadow blur radius
+     * @platform ios
+     */
+    shadowRadius: number;
 }
 
 type GeoConfiguration = {
-  skipPermissionRequests: boolean
-}
+    skipPermissionRequests: boolean;
+};
 
 type GeoOptions = {
-  timeout?: number
-  maximumAge?: number
-  enableHighAccuracy?: boolean
-  distanceFilter?: number
-  useSignificantChanges?: boolean
-}
+    timeout?: number;
+    maximumAge?: number;
+    enableHighAccuracy?: boolean;
+    distanceFilter?: number;
+    useSignificantChanges?: boolean;
+};
 
 type GeolocationReturnType = {
-  coords: {
-    latitude: number
-    longitude: number
-    altitude: number | null
-    accuracy: number
-    altitudeAccuracy: number | null
-    heading: number | null
-    speed: number | null
-  }
-  timestamp: number
-}
+    coords: {
+        latitude: number;
+        longitude: number;
+        altitude: number | null;
+        accuracy: number;
+        altitudeAccuracy: number | null;
+        heading: number | null;
+        speed: number | null;
+    };
+    timestamp: number;
+};
 
 type GeolocationError = {
-  code: number
-  message: string
-  PERMISSION_DENIED: number
-  POSITION_UNAVAILABLE: number
-  TIMEOUT: number
-}
+    code: number;
+    message: string;
+    PERMISSION_DENIED: number;
+    POSITION_UNAVAILABLE: number;
+    TIMEOUT: number;
+};
 
 interface PerpectiveTransform {
-  perspective: number
+    perspective: number;
 }
 
 interface RotateTransform {
-  rotate: string
+    rotate: string;
 }
 
 interface RotateXTransform {
-  rotateX: string
+    rotateX: string;
 }
 
 interface RotateYTransform {
-  rotateY: string
+    rotateY: string;
 }
 
 interface RotateZTransform {
-  rotateZ: string
+    rotateZ: string;
 }
 
 interface ScaleTransform {
-  scale: number
+    scale: number;
 }
 
 interface ScaleXTransform {
-  scaleX: number
+    scaleX: number;
 }
 
 interface ScaleYTransform {
-  scaleY: number
+    scaleY: number;
 }
 
 interface TranslateXTransform {
-  translateX: number
+    translateX: number;
 }
 
 interface TranslateYTransform {
-  translateY: number
+    translateY: number;
 }
 
 interface SkewXTransform {
-  skewX: string
+    skewX: string;
 }
 
 interface SkewYTransform {
-  skewY: string
+    skewY: string;
 }
 
 export interface TransformsStyle {
-  transform?: (
-    | PerpectiveTransform
-    | RotateTransform
-    | RotateXTransform
-    | RotateYTransform
-    | RotateZTransform
-    | ScaleTransform
-    | ScaleXTransform
-    | ScaleYTransform
-    | TranslateXTransform
-    | TranslateYTransform
-    | SkewXTransform
-    | SkewYTransform)[]
-  transformMatrix?: Array<number>
-  rotation?: number
-  scaleX?: number
-  scaleY?: number
-  translateX?: number
-  translateY?: number
+    transform?: (
+        | PerpectiveTransform
+        | RotateTransform
+        | RotateXTransform
+        | RotateYTransform
+        | RotateZTransform
+        | ScaleTransform
+        | ScaleXTransform
+        | ScaleYTransform
+        | TranslateXTransform
+        | TranslateYTransform
+        | SkewXTransform
+        | SkewYTransform)[];
+    transformMatrix?: Array<number>;
+    rotation?: number;
+    scaleX?: number;
+    scaleY?: number;
+    translateX?: number;
+    translateY?: number;
 }
 
 export interface StyleSheetProperties {
-  hairlineWidth: number
-  flatten<T extends string>(style: T): T
+    hairlineWidth: number;
+    flatten<T extends string>(style: T): T;
 }
 
 export interface LayoutRectangle {
-  x: number
-  y: number
-  width: number
-  height: number
+    x: number;
+    y: number;
+    width: number;
+    height: number;
 }
 
 // @see TextProps.onLayout
 export interface LayoutChangeEvent {
-  nativeEvent: {
-    layout: LayoutRectangle
-  }
+    nativeEvent: {
+        layout: LayoutRectangle;
+    };
 }
 
-export type FontVariant =
-  | 'small-caps'
-  | 'oldstyle-nums'
-  | 'lining-nums'
-  | 'tabular-nums'
-  | 'proportional-nums'
+export type FontVariant = 'small-caps' | 'oldstyle-nums' | 'lining-nums' | 'tabular-nums' | 'proportional-nums';
 export interface TextStyleIOS extends ViewStyle {
-  fontVariant?: FontVariant[]
-  letterSpacing?: number
-  textDecorationColor?: string
-  textDecorationStyle?: 'solid' | 'double' | 'dotted' | 'dashed'
-  textTransform?: 'none' | 'capitalize' | 'uppercase' | 'lowercase'
-  writingDirection?: 'auto' | 'ltr' | 'rtl'
+    fontVariant?: FontVariant[];
+    letterSpacing?: number;
+    textDecorationColor?: string;
+    textDecorationStyle?: "solid" | "double" | "dotted" | "dashed";
+    textTransform?: "none" | "capitalize" | "uppercase" | "lowercase";
+    writingDirection?: "auto" | "ltr" | "rtl";
 }
 
 export interface TextStyleAndroid extends ViewStyle {
-  textAlignVertical?: 'auto' | 'top' | 'bottom' | 'center'
-  includeFontPadding?: boolean
+    textAlignVertical?: "auto" | "top" | "bottom" | "center";
+    includeFontPadding?: boolean;
 }
 
 // @see https://facebook.github.io/react-native/docs/text.html#style
 export interface TextStyle extends TextStyleIOS, TextStyleAndroid, ViewStyle {
-  color?: string
-  fontFamily?: string
-  fontSize?: number
-  fontStyle?: 'normal' | 'italic'
-  /**
-   * Specifies font weight. The values 'normal' and 'bold' are supported
-   * for most fonts. Not all fonts have a variant for each of the numeric
-   * values, in that case the closest one is chosen.
-   */
-  fontWeight?: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'
-  letterSpacing?: number
-  lineHeight?: number
-  textAlign?: 'auto' | 'left' | 'right' | 'center' | 'justify'
-  textDecorationLine?: 'none' | 'underline' | 'line-through' | 'underline line-through'
-  textDecorationStyle?: 'solid' | 'double' | 'dotted' | 'dashed'
-  textDecorationColor?: string
-  textShadowColor?: string
-  textShadowOffset?: {width: number; height: number}
-  textShadowRadius?: number
-  testID?: string
+    color?: string;
+    fontFamily?: string;
+    fontSize?: number;
+    fontStyle?: "normal" | "italic";
+    /**
+     * Specifies font weight. The values 'normal' and 'bold' are supported
+     * for most fonts. Not all fonts have a variant for each of the numeric
+     * values, in that case the closest one is chosen.
+     */
+    fontWeight?: "normal" | "bold" | "100" | "200" | "300" | "400" | "500" | "600" | "700" | "800" | "900";
+    letterSpacing?: number;
+    lineHeight?: number;
+    textAlign?: "auto" | "left" | "right" | "center" | "justify";
+    textDecorationLine?: "none" | "underline" | "line-through" | "underline line-through";
+    textDecorationStyle?: "solid" | "double" | "dotted" | "dashed";
+    textDecorationColor?: string;
+    textShadowColor?: string;
+    textShadowOffset?: { width: number; height: number };
+    textShadowRadius?: number;
+    testID?: string;
 }
 
 export interface TextPropsIOS {
-  /**
-   * Specifies whether font should be scaled down automatically to fit given style constraints.
-   */
-  adjustsFontSizeToFit?: boolean
+    /**
+     * Specifies whether font should be scaled down automatically to fit given style constraints.
+     */
+    adjustsFontSizeToFit?: boolean;
 
-  /**
-   * Specifies smallest possible scale a font can reach when adjustsFontSizeToFit is enabled. (values 0.01-1.0).
-   */
-  minimumFontScale?: number
+    /**
+     * Specifies smallest possible scale a font can reach when adjustsFontSizeToFit is enabled. (values 0.01-1.0).
+     */
+    minimumFontScale?: number;
 
-  /**
-   * When `true`, no visual change is made when text is pressed down. By
-   * default, a gray oval highlights the text on press down.
-   */
-  suppressHighlighting?: boolean
+    /**
+     * When `true`, no visual change is made when text is pressed down. By
+     * default, a gray oval highlights the text on press down.
+     */
+    suppressHighlighting?: boolean;
 }
 
 export interface TextPropsAndroid {
-  /**
-   * Lets the user select text, to use the native copy and paste functionality.
-   */
-  selectable?: boolean
+    /**
+     * Lets the user select text, to use the native copy and paste functionality.
+     */
+    selectable?: boolean;
 
-  /**
-   * The highlight color of the text.
-   */
-  selectionColor?: string
+    /**
+     * The highlight color of the text.
+     */
+    selectionColor?: string;
 
-  /**
-   * Set text break strategy on Android API Level 23+
-   * default is `highQuality`.
-   */
-  textBreakStrategy?: 'simple' | 'highQuality' | 'balanced'
+    /**
+     * Set text break strategy on Android API Level 23+
+     * default is `highQuality`.
+     */
+    textBreakStrategy?: "simple" | "highQuality" | "balanced";
 }
 
 // https://facebook.github.io/react-native/docs/text.html#props
 export interface TextProps extends TextPropsIOS, TextPropsAndroid, AccessibilityProps {
-  /**
-   * Specifies whether fonts should scale to respect Text Size accessibility settings.
-   * The default is `true`.
-   */
-  allowFontScaling?: boolean
-
-  /**
-   * This can be one of the following values:
-   *
-   * - `head` - The line is displayed so that the end fits in the container and the missing text
-   * at the beginning of the line is indicated by an ellipsis glyph. e.g., "...wxyz"
-   * - `middle` - The line is displayed so that the beginning and end fit in the container and the
-   * missing text in the middle is indicated by an ellipsis glyph. "ab...yz"
-   * - `tail` - The line is displayed so that the beginning fits in the container and the
-   * missing text at the end of the line is indicated by an ellipsis glyph. e.g., "abcd..."
-   * - `clip` - Lines are not drawn past the edge of the text container.
-   *
-   * The default is `tail`.
-   *
-   * `numberOfLines` must be set in conjunction with this prop.
-   *
-   * > `clip` is working only for iOS
-   */
-  ellipsizeMode?: 'head' | 'middle' | 'tail' | 'clip'
-
-  /**
-   * Line Break mode. Works only with numberOfLines.
-   * clip is working only for iOS
-   */
-  lineBreakMode?: 'head' | 'middle' | 'tail' | 'clip'
-
-  /**
-   * Used to truncate the text with an ellipsis after computing the text
-   * layout, including line wrapping, such that the total number of lines
-   * does not exceed this number.
-   *
-   * This prop is commonly used with `ellipsizeMode`.
-   */
-  numberOfLines?: number
-
-  /**
-   * Invoked on mount and layout changes with
-   *
-   * {nativeEvent: { layout: {x, y, width, height}}}.
-   */
-  onLayout?: (event: LayoutChangeEvent) => void
-
-  /**
-   * This function is called on press.
-   * Text intrinsically supports press handling with a default highlight state (which can be disabled with suppressHighlighting).
-   */
-  onPress?: (event: GestureResponderEvent) => void
-
-  /**
-   * This function is called on long press.
-   * e.g., `onLongPress={this.increaseSize}>``
-   */
-  onLongPress?: (event: GestureResponderEvent) => void
-
-  /**
-   * @see https://facebook.github.io/react-native/docs/text.html#style
-   */
-  style?: StyleProp<TextStyle>
-
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
-
-  /**
-   * Used to reference react managed views from native code.
-   */
-  nativeID?: string
-
-  /**
-   * Specifies largest possible scale a font can reach when allowFontScaling is enabled. Possible values:
-   * - null/undefined (default): inherit from the parent node or the global default (0)
-   * - 0: no max, ignore parent/global default
-   * - >= 1: sets the maxFontSizeMultiplier of this node to this value
-   */
-  maxFontSizeMultiplier?: number | null
+    /**
+     * Specifies whether fonts should scale to respect Text Size accessibility settings.
+     * The default is `true`.
+     */
+    allowFontScaling?: boolean;
+
+    /**
+     * This can be one of the following values:
+     *
+     * - `head` - The line is displayed so that the end fits in the container and the missing text
+     * at the beginning of the line is indicated by an ellipsis glyph. e.g., "...wxyz"
+     * - `middle` - The line is displayed so that the beginning and end fit in the container and the
+     * missing text in the middle is indicated by an ellipsis glyph. "ab...yz"
+     * - `tail` - The line is displayed so that the beginning fits in the container and the
+     * missing text at the end of the line is indicated by an ellipsis glyph. e.g., "abcd..."
+     * - `clip` - Lines are not drawn past the edge of the text container.
+     *
+     * The default is `tail`.
+     *
+     * `numberOfLines` must be set in conjunction with this prop.
+     *
+     * > `clip` is working only for iOS
+     */
+    ellipsizeMode?: "head" | "middle" | "tail" | "clip";
+
+    /**
+     * Line Break mode. Works only with numberOfLines.
+     * clip is working only for iOS
+     */
+    lineBreakMode?: "head" | "middle" | "tail" | "clip";
+
+    /**
+     * Used to truncate the text with an ellipsis after computing the text
+     * layout, including line wrapping, such that the total number of lines
+     * does not exceed this number.
+     *
+     * This prop is commonly used with `ellipsizeMode`.
+     */
+    numberOfLines?: number;
+
+    /**
+     * Invoked on mount and layout changes with
+     *
+     * {nativeEvent: { layout: {x, y, width, height}}}.
+     */
+    onLayout?: (event: LayoutChangeEvent) => void;
+
+    /**
+     * This function is called on press.
+     * Text intrinsically supports press handling with a default highlight state (which can be disabled with suppressHighlighting).
+     */
+    onPress?: (event: GestureResponderEvent) => void;
+
+    /**
+     * This function is called on long press.
+     * e.g., `onLongPress={this.increaseSize}>``
+     */
+    onLongPress?: (event: GestureResponderEvent) => void;
+
+    /**
+     * @see https://facebook.github.io/react-native/docs/text.html#style
+     */
+    style?: StyleProp<TextStyle>;
+
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
+
+    /**
+     * Used to reference react managed views from native code.
+     */
+    nativeID?: string;
+
+    /**
+     * Specifies largest possible scale a font can reach when allowFontScaling is enabled. Possible values:
+     * - null/undefined (default): inherit from the parent node or the global default (0)
+     * - 0: no max, ignore parent/global default
+     * - >= 1: sets the maxFontSizeMultiplier of this node to this value
+     */
+    maxFontSizeMultiplier?: number | null;
 }
 
 /**
  * A React component for displaying text which supports nesting, styling, and touch handling.
  */
 declare class TextComponent extends React.Component<TextProps> {}
-declare const TextBase: Constructor<NativeMethodsMixin> & typeof TextComponent
+declare const TextBase: Constructor<NativeMethodsMixin> & typeof TextComponent;
 export class Text extends TextBase {}
 
-type DataDetectorTypes = 'phoneNumber' | 'link' | 'address' | 'calendarEvent' | 'none' | 'all'
+type DataDetectorTypes = "phoneNumber" | "link" | "address" | "calendarEvent" | "none" | "all";
 
 /**
  * DocumentSelectionState is responsible for maintaining selection information
@@ -954,33 +944,33 @@ type DataDetectorTypes = 'phoneNumber' | 'link' | 'address' | 'calendarEvent' |
  * components re-render.
  */
 export interface DocumentSelectionState extends EventEmitter {
-  new (anchor: number, focus: number): DocumentSelectionState
-
-  /**
-   * Apply an update to the state. If either offset value has changed,
-   * set the values and emit the `change` event. Otherwise no-op.
-   *
-   */
-  update(anchor: number, focus: number): void
-
-  /**
-   * Given a max text length, constrain our selection offsets to ensure
-   * that the selection remains strictly within the text range.
-   *
-   */
-  constrainLength(maxLength: number): void
-
-  focus(): void
-  blur(): void
-  hasFocus(): boolean
-  isCollapsed(): boolean
-  isBackward(): boolean
-
-  getAnchorOffset(): number
-  getFocusOffset(): number
-  getStartOffset(): number
-  getEndOffset(): number
-  overlaps(start: number, end: number): boolean
+    new (anchor: number, focus: number): DocumentSelectionState;
+
+    /**
+     * Apply an update to the state. If either offset value has changed,
+     * set the values and emit the `change` event. Otherwise no-op.
+     *
+     */
+    update(anchor: number, focus: number): void;
+
+    /**
+     * Given a max text length, constrain our selection offsets to ensure
+     * that the selection remains strictly within the text range.
+     *
+     */
+    constrainLength(maxLength: number): void;
+
+    focus(): void;
+    blur(): void;
+    hasFocus(): boolean;
+    isCollapsed(): boolean;
+    isBackward(): boolean;
+
+    getAnchorOffset(): number;
+    getFocusOffset(): number;
+    getStartOffset(): number;
+    getEndOffset(): number;
+    overlaps(start: number, end: number): boolean;
 }
 
 /**
@@ -988,135 +978,135 @@ export interface DocumentSelectionState extends EventEmitter {
  * @see https://facebook.github.io/react-native/docs/textinput.html#props
  */
 export interface TextInputIOSProps {
-  /**
-   * enum('never', 'while-editing', 'unless-editing', 'always')
-   * When the clear button should appear on the right side of the text view
-   */
-  clearButtonMode?: 'never' | 'while-editing' | 'unless-editing' | 'always'
-
-  /**
-   * If true, clears the text field automatically when editing begins
-   */
-  clearTextOnFocus?: boolean
-
-  /**
-   * Determines the types of data converted to clickable URLs in the text input.
-   * Only valid if `multiline={true}` and `editable={false}`.
-   * By default no data types are detected.
-   *
-   * You can provide one type or an array of many types.
-   *
-   * Possible values for `dataDetectorTypes` are:
-   *
-   * - `'phoneNumber'`
-   * - `'link'`
-   * - `'address'`
-   * - `'calendarEvent'`
-   * - `'none'`
-   * - `'all'`
-   */
-  dataDetectorTypes?: DataDetectorTypes | DataDetectorTypes[]
-
-  /**
-   * If true, the keyboard disables the return key when there is no text and automatically enables it when there is text.
-   * The default value is false.
-   */
-  enablesReturnKeyAutomatically?: boolean
-
-  /**
-   * Determines the color of the keyboard.
-   */
-  keyboardAppearance?: 'default' | 'light' | 'dark'
-
-  /**
-   * See DocumentSelectionState.js, some state that is responsible for maintaining selection information for a document
-   */
-  selectionState?: DocumentSelectionState
-
-  /**
-   * If false, disables spell-check style (i.e. red underlines). The default value is inherited from autoCorrect
-   */
-  spellCheck?: boolean
-
-  /**
-   * Give the keyboard and the system information about the expected
-   * semantic meaning for the content that users enter.
-   *
-   * For iOS 11+ you can set `textContentType` to `username` or `password` to
-   * enable autofill of login details from the device keychain.
-   *
-   * For iOS 12+ `newPassword` can be used to indicate a new password input the
-   * user may want to save in the keychain, and `oneTimeCode` can be used to indicate
-   * that a field can be autofilled by a code arriving in an SMS.
-   *
-   * To disable autofill, set textContentType to `none`.
-   *
-   * Possible values for `textContentType` are:
-   *
-   *  - `'none'`
-   *  - `'URL'`
-   *  - `'addressCity'`
-   *  - `'addressCityAndState'`
-   *  - `'addressState'`
-   *  - `'countryName'`
-   *  - `'creditCardNumber'`
-   *  - `'emailAddress'`
-   *  - `'familyName'`
-   *  - `'fullStreetAddress'`
-   *  - `'givenName'`
-   *  - `'jobTitle'`
-   *  - `'location'`
-   *  - `'middleName'`
-   *  - `'name'`
-   *  - `'namePrefix'`
-   *  - `'nameSuffix'`
-   *  - `'nickname'`
-   *  - `'organizationName'`
-   *  - `'postalCode'`
-   *  - `'streetAddressLine1'`
-   *  - `'streetAddressLine2'`
-   *  - `'sublocality'`
-   *  - `'telephoneNumber'`
-   *  - `'username'`
-   *  - `'password'`
-   *  - `'newPassword'`
-   *  - `'oneTimeCode'`
-   *
-   */
-  textContentType?:
-    | 'none'
-    | 'URL'
-    | 'addressCity'
-    | 'addressCityAndState'
-    | 'addressState'
-    | 'countryName'
-    | 'creditCardNumber'
-    | 'emailAddress'
-    | 'familyName'
-    | 'fullStreetAddress'
-    | 'givenName'
-    | 'jobTitle'
-    | 'location'
-    | 'middleName'
-    | 'name'
-    | 'namePrefix'
-    | 'nameSuffix'
-    | 'nickname'
-    | 'organizationName'
-    | 'postalCode'
-    | 'streetAddressLine1'
-    | 'streetAddressLine2'
-    | 'sublocality'
-    | 'telephoneNumber'
-    | 'username'
-    | 'password'
-    | 'newPassword'
-    | 'oneTimeCode'
-
-  /**
-   * If false, scrolling of the text view will be disabled. The default value is true. Only works with multiline={true}
-   */
-  scrollEnabled?: boolean
+    /**
+     * enum('never', 'while-editing', 'unless-editing', 'always')
+     * When the clear button should appear on the right side of the text view
+     */
+    clearButtonMode?: "never" | "while-editing" | "unless-editing" | "always";
+
+    /**
+     * If true, clears the text field automatically when editing begins
+     */
+    clearTextOnFocus?: boolean;
+
+    /**
+     * Determines the types of data converted to clickable URLs in the text input.
+     * Only valid if `multiline={true}` and `editable={false}`.
+     * By default no data types are detected.
+     *
+     * You can provide one type or an array of many types.
+     *
+     * Possible values for `dataDetectorTypes` are:
+     *
+     * - `'phoneNumber'`
+     * - `'link'`
+     * - `'address'`
+     * - `'calendarEvent'`
+     * - `'none'`
+     * - `'all'`
+     */
+    dataDetectorTypes?: DataDetectorTypes | DataDetectorTypes[];
+
+    /**
+     * If true, the keyboard disables the return key when there is no text and automatically enables it when there is text.
+     * The default value is false.
+     */
+    enablesReturnKeyAutomatically?: boolean;
+
+    /**
+     * Determines the color of the keyboard.
+     */
+    keyboardAppearance?: "default" | "light" | "dark";
+
+    /**
+     * See DocumentSelectionState.js, some state that is responsible for maintaining selection information for a document
+     */
+    selectionState?: DocumentSelectionState;
+
+    /**
+     * If false, disables spell-check style (i.e. red underlines). The default value is inherited from autoCorrect
+     */
+    spellCheck?: boolean;
+
+    /**
+     * Give the keyboard and the system information about the expected
+     * semantic meaning for the content that users enter.
+     *
+     * For iOS 11+ you can set `textContentType` to `username` or `password` to
+     * enable autofill of login details from the device keychain.
+     *
+     * For iOS 12+ `newPassword` can be used to indicate a new password input the
+     * user may want to save in the keychain, and `oneTimeCode` can be used to indicate
+     * that a field can be autofilled by a code arriving in an SMS.
+     *
+     * To disable autofill, set textContentType to `none`.
+     *
+     * Possible values for `textContentType` are:
+     *
+     *  - `'none'`
+     *  - `'URL'`
+     *  - `'addressCity'`
+     *  - `'addressCityAndState'`
+     *  - `'addressState'`
+     *  - `'countryName'`
+     *  - `'creditCardNumber'`
+     *  - `'emailAddress'`
+     *  - `'familyName'`
+     *  - `'fullStreetAddress'`
+     *  - `'givenName'`
+     *  - `'jobTitle'`
+     *  - `'location'`
+     *  - `'middleName'`
+     *  - `'name'`
+     *  - `'namePrefix'`
+     *  - `'nameSuffix'`
+     *  - `'nickname'`
+     *  - `'organizationName'`
+     *  - `'postalCode'`
+     *  - `'streetAddressLine1'`
+     *  - `'streetAddressLine2'`
+     *  - `'sublocality'`
+     *  - `'telephoneNumber'`
+     *  - `'username'`
+     *  - `'password'`
+     *  - `'newPassword'`
+     *  - `'oneTimeCode'`
+     *
+     */
+    textContentType?:
+        | "none"
+        | "URL"
+        | "addressCity"
+        | "addressCityAndState"
+        | "addressState"
+        | "countryName"
+        | "creditCardNumber"
+        | "emailAddress"
+        | "familyName"
+        | "fullStreetAddress"
+        | "givenName"
+        | "jobTitle"
+        | "location"
+        | "middleName"
+        | "name"
+        | "namePrefix"
+        | "nameSuffix"
+        | "nickname"
+        | "organizationName"
+        | "postalCode"
+        | "streetAddressLine1"
+        | "streetAddressLine2"
+        | "sublocality"
+        | "telephoneNumber"
+        | "username"
+        | "password"
+        | "newPassword"
+        | "oneTimeCode";
+
+    /**
+     * If false, scrolling of the text view will be disabled. The default value is true. Only works with multiline={true}
+     */
+    scrollEnabled?: boolean;
 }
 
 /**
@@ -1124,394 +1114,390 @@ export interface TextInputIOSProps {
  * @see https://facebook.github.io/react-native/docs/textinput.html#props
  */
 export interface TextInputAndroidProps {
-  /**
-   * Determines which content to suggest on auto complete, e.g.`username`.
-   * To disable auto complete, use `off`.
-   *
-   * *Android Only*
-   *
-   * The following values work on Android only:
-   *
-   * - `username`
-   * - `password`
-   * - `email`
-   * - `name`
-   * - `tel`
-   * - `street-address`
-   * - `postal-code`
-   * - `cc-number`
-   * - `cc-csc`
-   * - `cc-exp`
-   * - `cc-exp-month`
-   * - `cc-exp-year`
-   * - `off`
-   */
-  autoCompleteType?:
-    | 'cc-csc'
-    | 'cc-exp'
-    | 'cc-exp-month'
-    | 'cc-exp-year'
-    | 'cc-number'
-    | 'email'
-    | 'name'
-    | 'password'
-    | 'postal-code'
-    | 'street-address'
-    | 'tel'
-    | 'username'
-    | 'off'
-
-  /**
-   * When false, if there is a small amount of space available around a text input (e.g. landscape orientation on a phone),
-   *   the OS may choose to have the user edit the text inside of a full screen text input mode.
-   * When true, this feature is disabled and users will always edit the text directly inside of the text input.
-   * Defaults to false.
-   */
-  disableFullscreenUI?: boolean
-
-  /**
-   * If defined, the provided image resource will be rendered on the left.
-   */
-  inlineImageLeft?: string
-
-  /**
-   * Padding between the inline image, if any, and the text input itself.
-   */
-  inlineImagePadding?: number
-
-  /**
-   * Sets the number of lines for a TextInput.
-   * Use it with multiline set to true to be able to fill the lines.
-   */
-  numberOfLines?: number
-
-  /**
-   * Sets the return key to the label. Use it instead of `returnKeyType`.
-   * @platform android
-   */
-  returnKeyLabel?: string
-
-  /**
-   * Set text break strategy on Android API Level 23+, possible values are simple, highQuality, balanced
-   * The default value is simple.
-   */
-  textBreakStrategy?: 'simple' | 'highQuality' | 'balanced'
-
-  /**
-   * The color of the textInput underline.
-   */
-  underlineColorAndroid?: string
-
-  /**
-   * Vertically align text when `multiline` is set to true
-   */
-  textAlignVertical?: 'auto' | 'top' | 'bottom' | 'center'
-}
-
-export type KeyboardType = 'default' | 'email-address' | 'numeric' | 'phone-pad'
-export type KeyboardTypeIOS =
-  | 'ascii-capable'
-  | 'numbers-and-punctuation'
-  | 'url'
-  | 'number-pad'
-  | 'name-phone-pad'
-  | 'decimal-pad'
-  | 'twitter'
-  | 'web-search'
-export type KeyboardTypeAndroid = 'visible-password'
-export type KeyboardTypeOptions = KeyboardType | KeyboardTypeAndroid | KeyboardTypeIOS
-
-export type ReturnKeyType = 'done' | 'go' | 'next' | 'search' | 'send'
-export type ReturnKeyTypeAndroid = 'none' | 'previous'
-export type ReturnKeyTypeIOS = 'default' | 'google' | 'join' | 'route' | 'yahoo' | 'emergency-call'
-export type ReturnKeyTypeOptions = ReturnKeyType | ReturnKeyTypeAndroid | ReturnKeyTypeIOS
+    /**
+     * Determines which content to suggest on auto complete, e.g.`username`.
+     * To disable auto complete, use `off`.
+     *
+     * *Android Only*
+     *
+     * The following values work on Android only:
+     *
+     * - `username`
+     * - `password`
+     * - `email`
+     * - `name`
+     * - `tel`
+     * - `street-address`
+     * - `postal-code`
+     * - `cc-number`
+     * - `cc-csc`
+     * - `cc-exp`
+     * - `cc-exp-month`
+     * - `cc-exp-year`
+     * - `off`
+     */
+    autoCompleteType?:
+        | "cc-csc"
+        | "cc-exp"
+        | "cc-exp-month"
+        | "cc-exp-year"
+        | "cc-number"
+        | "email"
+        | "name"
+        | "password"
+        | "postal-code"
+        | "street-address"
+        | "tel"
+        | "username"
+        | "off";
 
-export interface TargetedEvent {
-  target: number
-}
+    /**
+     * When false, if there is a small amount of space available around a text input (e.g. landscape orientation on a phone),
+     *   the OS may choose to have the user edit the text inside of a full screen text input mode.
+     * When true, this feature is disabled and users will always edit the text directly inside of the text input.
+     * Defaults to false.
+     */
+    disableFullscreenUI?: boolean;
 
-/**
- * @see TextInputProps.onFocus
- */
-export interface TextInputFocusEventData extends TargetedEvent {
-  text: string
-  eventCount: number
-}
+    /**
+     * If defined, the provided image resource will be rendered on the left.
+     */
+    inlineImageLeft?: string;
 
-/**
+    /**
+     * Padding between the inline image, if any, and the text input itself.
+     */
+    inlineImagePadding?: number;
+
+    /**
+     * Sets the number of lines for a TextInput.
+     * Use it with multiline set to true to be able to fill the lines.
+     */
+    numberOfLines?: number;
+
+    /**
+     * Sets the return key to the label. Use it instead of `returnKeyType`.
+     * @platform android
+     */
+    returnKeyLabel?: string;
+
+    /**
+     * Set text break strategy on Android API Level 23+, possible values are simple, highQuality, balanced
+     * The default value is simple.
+     */
+    textBreakStrategy?: "simple" | "highQuality" | "balanced";
+
+    /**
+     * The color of the textInput underline.
+     */
+    underlineColorAndroid?: string;
+
+    /**
+     * Vertically align text when `multiline` is set to true
+     */
+    textAlignVertical?: "auto" | "top" | "bottom" | "center";
+}
+
+export type KeyboardType = "default" | "email-address" | "numeric" | "phone-pad";
+export type KeyboardTypeIOS =
+    | "ascii-capable"
+    | "numbers-and-punctuation"
+    | "url"
+    | "number-pad"
+    | "name-phone-pad"
+    | "decimal-pad"
+    | "twitter"
+    | "web-search";
+export type KeyboardTypeAndroid = "visible-password";
+export type KeyboardTypeOptions = KeyboardType | KeyboardTypeAndroid | KeyboardTypeIOS;
+
+export type ReturnKeyType = "done" | "go" | "next" | "search" | "send";
+export type ReturnKeyTypeAndroid = "none" | "previous";
+export type ReturnKeyTypeIOS = "default" | "google" | "join" | "route" | "yahoo" | "emergency-call";
+export type ReturnKeyTypeOptions = ReturnKeyType | ReturnKeyTypeAndroid | ReturnKeyTypeIOS;
+
+export interface TargetedEvent {
+    target: number;
+}
+
+/**
+ * @see TextInputProps.onFocus
+ */
+export interface TextInputFocusEventData extends TargetedEvent {
+    text: string;
+    eventCount: number;
+}
+
+/**
  * @see TextInputProps.onScroll
  */
 export interface TextInputScrollEventData {
-  contentOffset: {x: number; y: number}
+    contentOffset: { x: number; y: number };
 }
 
 /**
  * @see TextInputProps.onSelectionChange
  */
 export interface TextInputSelectionChangeEventData extends TargetedEvent {
-  selection: {
-    start: number
-    end: number
-  }
+    selection: {
+        start: number;
+        end: number;
+    };
 }
 
 /**
  * @see TextInputProps.onKeyPress
  */
 export interface TextInputKeyPressEventData {
-  key: string
+    key: string;
 }
 
 /**
  * @see TextInputProps.onChange
  */
 export interface TextInputChangeEventData extends TargetedEvent {
-  eventCount: number
-  text: string
+    eventCount: number;
+    text: string;
 }
 
 /**
  * @see TextInputProps.onContentSizeChange
  */
 export interface TextInputContentSizeChangeEventData {
-  contentSize: {width: number; height: number}
+    contentSize: { width: number; height: number };
 }
 
 /**
  * @see TextInputProps.onEndEditing
  */
 export interface TextInputEndEditingEventData {
-  text: string
+    text: string;
 }
 
 /**
  * @see TextInputProps.onSubmitEditing
  */
 export interface TextInputSubmitEditingEventData {
-  text: string
+    text: string;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/textinput.html#props
  */
-export interface TextInputProps
-  extends ViewProps,
-    TextInputIOSProps,
-    TextInputAndroidProps,
-    AccessibilityProps {
-  /**
-   * Specifies whether fonts should scale to respect Text Size accessibility settings.
-   * The default is `true`.
-   */
-  allowFontScaling?: boolean
-
-  /**
-   * Can tell TextInput to automatically capitalize certain characters.
-   *      characters: all characters,
-   *      words: first letter of each word
-   *      sentences: first letter of each sentence (default)
-   *      none: don't auto capitalize anything
-   *
-   * https://facebook.github.io/react-native/docs/textinput.html#autocapitalize
-   */
-  autoCapitalize?: 'none' | 'sentences' | 'words' | 'characters'
-
-  /**
-   * If false, disables auto-correct.
-   * The default value is true.
-   */
-  autoCorrect?: boolean
-
-  /**
-   * If true, focuses the input on componentDidMount.
-   * The default value is false.
-   */
-  autoFocus?: boolean
-
-  /**
-   * If true, the text field will blur when submitted.
-   * The default value is true.
-   */
-  blurOnSubmit?: boolean
-
-  /**
-   * If true, caret is hidden. The default value is false.
-   */
-  caretHidden?: boolean
-
-  /**
-   * If true, context menu is hidden. The default value is false.
-   */
-  contextMenuHidden?: boolean
-
-  /**
-   * Provides an initial value that will change when the user starts typing.
-   * Useful for simple use-cases where you don't want to deal with listening to events
-   * and updating the value prop to keep the controlled state in sync.
-   */
-  defaultValue?: string
-
-  /**
-   * If false, text is not editable. The default value is true.
-   */
-  editable?: boolean
-
-  /**
-   * enum("default", 'numeric', 'email-address', "ascii-capable", 'numbers-and-punctuation', 'url', 'number-pad', 'phone-pad', 'name-phone-pad',
-   * 'decimal-pad', 'twitter', 'web-search', 'visible-password')
-   * Determines which keyboard to open, e.g.numeric.
-   * The following values work across platforms: - default - numeric - email-address - phone-pad
-   * The following values work on iOS: - ascii-capable - numbers-and-punctuation - url - number-pad - name-phone-pad - decimal-pad - twitter - web-search
-   * The following values work on Android: - visible-password
-   */
-  keyboardType?: KeyboardTypeOptions
-
-  /**
-   * Limits the maximum number of characters that can be entered.
-   * Use this instead of implementing the logic in JS to avoid flicker.
-   */
-  maxLength?: number
-
-  /**
-   * If true, the text input can be multiple lines. The default value is false.
-   */
-  multiline?: boolean
-
-  /**
-   * Callback that is called when the text input is blurred
-   */
-  onBlur?: (e: NativeSyntheticEvent<TextInputFocusEventData>) => void
-
-  /**
-   * Callback that is called when the text input's text changes.
-   */
-  onChange?: (e: NativeSyntheticEvent<TextInputChangeEventData>) => void
-
-  /**
-   * Callback that is called when the text input's text changes.
-   * Changed text is passed as an argument to the callback handler.
-   */
-  onChangeText?: (text: string) => void
-
-  /**
-   * Callback that is called when the text input's content size changes.
-   * This will be called with
-   * `{ nativeEvent: { contentSize: { width, height } } }`.
-   *
-   * Only called for multiline text inputs.
-   */
-  onContentSizeChange?: (e: NativeSyntheticEvent<TextInputContentSizeChangeEventData>) => void
-
-  /**
-   * Callback that is called when text input ends.
-   */
-  onEndEditing?: (e: NativeSyntheticEvent<TextInputEndEditingEventData>) => void
-
-  /**
-   * Callback that is called when the text input is focused
-   */
-  onFocus?: (e: NativeSyntheticEvent<TextInputFocusEventData>) => void
-
-  /**
-   * Callback that is called when the text input selection is changed.
-   */
-  onSelectionChange?: (e: NativeSyntheticEvent<TextInputSelectionChangeEventData>) => void
-
-  /**
-   * Callback that is called when the text input's submit button is pressed.
-   */
-  onSubmitEditing?: (e: NativeSyntheticEvent<TextInputSubmitEditingEventData>) => void
-
-  /**
-   * Invoked on content scroll with
-   *  `{ nativeEvent: { contentOffset: { x, y } } }`.
-   *
-   * May also contain other properties from ScrollEvent but on Android contentSize is not provided for performance reasons.
-   */
-  onScroll?: (e: NativeSyntheticEvent<TextInputScrollEventData>) => void
-
-  /**
-   * Callback that is called when a key is pressed.
-   * This will be called with
-   *  `{ nativeEvent: { key: keyValue } }`
-   * where keyValue is 'Enter' or 'Backspace' for respective keys and the typed-in character otherwise including ' ' for space.
-   *
-   * Fires before onChange callbacks.
-   * Note: on Android only the inputs from soft keyboard are handled, not the hardware keyboard inputs.
-   */
-  onKeyPress?: (e: NativeSyntheticEvent<TextInputKeyPressEventData>) => void
-
-  /**
-   * The string that will be rendered before text input has been entered
-   */
-  placeholder?: string
-
-  /**
-   * The text color of the placeholder string
-   */
-  placeholderTextColor?: string
-
-  /**
-   * enum('default', 'go', 'google', 'join', 'next', 'route', 'search', 'send', 'yahoo', 'done', 'emergency-call')
-   * Determines how the return key should look.
-   */
-  returnKeyType?: ReturnKeyTypeOptions
-
-  /**
-   * If true, the text input obscures the text entered so that sensitive text like passwords stay secure.
-   * The default value is false.
-   */
-  secureTextEntry?: boolean
-
-  /**
-   * If true, all text will automatically be selected on focus
-   */
-  selectTextOnFocus?: boolean
-
-  /**
-   * The start and end of the text input's selection. Set start and end to
-   * the same value to position the cursor.
-   */
-  selection?: {start: number; end?: number}
-
-  /**
-   * The highlight (and cursor on ios) color of the text input
-   */
-  selectionColor?: string
-
-  /**
-   * Styles
-   */
-  style?: StyleProp<TextStyle>
-
-  /**
-   * Used to locate this view in end-to-end tests
-   */
-  testID?: string
-
-  /**
-   * Used to connect to an InputAccessoryView. Not part of react-natives documentation, but present in examples and
-   * code.
-   * See https://facebook.github.io/react-native/docs/inputaccessoryview.html for more information.
-   */
-  inputAccessoryViewID?: string
-
-  /**
-   * The value to show for the text input. TextInput is a controlled component,
-   * which means the native value will be forced to match this value prop if provided.
-   * For most uses this works great, but in some cases this may cause flickering - one common cause is preventing edits by keeping value the same.
-   * In addition to simply setting the same value, either set editable={false},
-   * or set/update maxLength to prevent unwanted edits without flicker.
-   */
-  value?: string
-
-  /**
-   * Specifies largest possible scale a font can reach when allowFontScaling is enabled. Possible values:
-   * - null/undefined (default): inherit from the parent node or the global default (0)
-   * - 0: no max, ignore parent/global default
-   * - >= 1: sets the maxFontSizeMultiplier of this node to this value
-   */
-  maxFontSizeMultiplier?: number | null
+export interface TextInputProps extends ViewProps, TextInputIOSProps, TextInputAndroidProps, AccessibilityProps {
+    /**
+     * Specifies whether fonts should scale to respect Text Size accessibility settings.
+     * The default is `true`.
+     */
+    allowFontScaling?: boolean;
+
+    /**
+     * Can tell TextInput to automatically capitalize certain characters.
+     *      characters: all characters,
+     *      words: first letter of each word
+     *      sentences: first letter of each sentence (default)
+     *      none: don't auto capitalize anything
+     *
+     * https://facebook.github.io/react-native/docs/textinput.html#autocapitalize
+     */
+    autoCapitalize?: "none" | "sentences" | "words" | "characters";
+
+    /**
+     * If false, disables auto-correct.
+     * The default value is true.
+     */
+    autoCorrect?: boolean;
+
+    /**
+     * If true, focuses the input on componentDidMount.
+     * The default value is false.
+     */
+    autoFocus?: boolean;
+
+    /**
+     * If true, the text field will blur when submitted.
+     * The default value is true.
+     */
+    blurOnSubmit?: boolean;
+
+    /**
+     * If true, caret is hidden. The default value is false.
+     */
+    caretHidden?: boolean;
+
+    /**
+     * If true, context menu is hidden. The default value is false.
+     */
+    contextMenuHidden?: boolean;
+
+    /**
+     * Provides an initial value that will change when the user starts typing.
+     * Useful for simple use-cases where you don't want to deal with listening to events
+     * and updating the value prop to keep the controlled state in sync.
+     */
+    defaultValue?: string;
+
+    /**
+     * If false, text is not editable. The default value is true.
+     */
+    editable?: boolean;
+
+    /**
+     * enum("default", 'numeric', 'email-address', "ascii-capable", 'numbers-and-punctuation', 'url', 'number-pad', 'phone-pad', 'name-phone-pad',
+     * 'decimal-pad', 'twitter', 'web-search', 'visible-password')
+     * Determines which keyboard to open, e.g.numeric.
+     * The following values work across platforms: - default - numeric - email-address - phone-pad
+     * The following values work on iOS: - ascii-capable - numbers-and-punctuation - url - number-pad - name-phone-pad - decimal-pad - twitter - web-search
+     * The following values work on Android: - visible-password
+     */
+    keyboardType?: KeyboardTypeOptions;
+
+    /**
+     * Limits the maximum number of characters that can be entered.
+     * Use this instead of implementing the logic in JS to avoid flicker.
+     */
+    maxLength?: number;
+
+    /**
+     * If true, the text input can be multiple lines. The default value is false.
+     */
+    multiline?: boolean;
+
+    /**
+     * Callback that is called when the text input is blurred
+     */
+    onBlur?: (e: NativeSyntheticEvent<TextInputFocusEventData>) => void;
+
+    /**
+     * Callback that is called when the text input's text changes.
+     */
+    onChange?: (e: NativeSyntheticEvent<TextInputChangeEventData>) => void;
+
+    /**
+     * Callback that is called when the text input's text changes.
+     * Changed text is passed as an argument to the callback handler.
+     */
+    onChangeText?: (text: string) => void;
+
+    /**
+     * Callback that is called when the text input's content size changes.
+     * This will be called with
+     * `{ nativeEvent: { contentSize: { width, height } } }`.
+     *
+     * Only called for multiline text inputs.
+     */
+    onContentSizeChange?: (e: NativeSyntheticEvent<TextInputContentSizeChangeEventData>) => void;
+
+    /**
+     * Callback that is called when text input ends.
+     */
+    onEndEditing?: (e: NativeSyntheticEvent<TextInputEndEditingEventData>) => void;
+
+    /**
+     * Callback that is called when the text input is focused
+     */
+    onFocus?: (e: NativeSyntheticEvent<TextInputFocusEventData>) => void;
+
+    /**
+     * Callback that is called when the text input selection is changed.
+     */
+    onSelectionChange?: (e: NativeSyntheticEvent<TextInputSelectionChangeEventData>) => void;
+
+    /**
+     * Callback that is called when the text input's submit button is pressed.
+     */
+    onSubmitEditing?: (e: NativeSyntheticEvent<TextInputSubmitEditingEventData>) => void;
+
+    /**
+     * Invoked on content scroll with
+     *  `{ nativeEvent: { contentOffset: { x, y } } }`.
+     *
+     * May also contain other properties from ScrollEvent but on Android contentSize is not provided for performance reasons.
+     */
+    onScroll?: (e: NativeSyntheticEvent<TextInputScrollEventData>) => void;
+
+    /**
+     * Callback that is called when a key is pressed.
+     * This will be called with
+     *  `{ nativeEvent: { key: keyValue } }`
+     * where keyValue is 'Enter' or 'Backspace' for respective keys and the typed-in character otherwise including ' ' for space.
+     *
+     * Fires before onChange callbacks.
+     * Note: on Android only the inputs from soft keyboard are handled, not the hardware keyboard inputs.
+     */
+    onKeyPress?: (e: NativeSyntheticEvent<TextInputKeyPressEventData>) => void;
+
+    /**
+     * The string that will be rendered before text input has been entered
+     */
+    placeholder?: string;
+
+    /**
+     * The text color of the placeholder string
+     */
+    placeholderTextColor?: string;
+
+    /**
+     * enum('default', 'go', 'google', 'join', 'next', 'route', 'search', 'send', 'yahoo', 'done', 'emergency-call')
+     * Determines how the return key should look.
+     */
+    returnKeyType?: ReturnKeyTypeOptions;
+
+    /**
+     * If true, the text input obscures the text entered so that sensitive text like passwords stay secure.
+     * The default value is false.
+     */
+    secureTextEntry?: boolean;
+
+    /**
+     * If true, all text will automatically be selected on focus
+     */
+    selectTextOnFocus?: boolean;
+
+    /**
+     * The start and end of the text input's selection. Set start and end to
+     * the same value to position the cursor.
+     */
+    selection?: { start: number; end?: number };
+
+    /**
+     * The highlight (and cursor on ios) color of the text input
+     */
+    selectionColor?: string;
+
+    /**
+     * Styles
+     */
+    style?: StyleProp<TextStyle>;
+
+    /**
+     * Used to locate this view in end-to-end tests
+     */
+    testID?: string;
+
+    /**
+     * Used to connect to an InputAccessoryView. Not part of react-natives documentation, but present in examples and
+     * code.
+     * See https://facebook.github.io/react-native/docs/inputaccessoryview.html for more information.
+     */
+    inputAccessoryViewID?: string;
+
+    /**
+     * The value to show for the text input. TextInput is a controlled component,
+     * which means the native value will be forced to match this value prop if provided.
+     * For most uses this works great, but in some cases this may cause flickering - one common cause is preventing edits by keeping value the same.
+     * In addition to simply setting the same value, either set editable={false},
+     * or set/update maxLength to prevent unwanted edits without flicker.
+     */
+    value?: string;
+
+    /**
+     * Specifies largest possible scale a font can reach when allowFontScaling is enabled. Possible values:
+     * - null/undefined (default): inherit from the parent node or the global default (0)
+     * - 0: no max, ignore parent/global default
+     * - >= 1: sets the maxFontSizeMultiplier of this node to this value
+     */
+    maxFontSizeMultiplier?: number | null;
 }
 
 /**
@@ -1520,170 +1506,168 @@ export interface TextInputProps
  * should be funneled through here
  */
 interface TextInputState {
-  /**
-   * Returns the ID of the currently focused text field, if one exists
-   * If no text field is focused it returns null
-   */
-  currentlyFocusedField(): number
-
-  /**
-   * @deprecated
-   * @param TextInputID id of the text field to focus
-   * Focuses the specified text field
-   * noop if the text field was already focused
-   */
-  focusTextInput(textFieldID?: number): void
-
-  /**
-   * @deprecated
-   * @param textFieldID id of the text field to focus
-   * Unfocuses the specified text field
-   * noop if it wasn't focused
-   */
-  blurTextInput(textFieldID?: number): void
+    /**
+     * Returns the ID of the currently focused text field, if one exists
+     * If no text field is focused it returns null
+     */
+    currentlyFocusedField(): number;
+
+    /**
+     * @deprecated
+     * @param TextInputID id of the text field to focus
+     * Focuses the specified text field
+     * noop if the text field was already focused
+     */
+    focusTextInput(textFieldID?: number): void;
+
+    /**
+     * @deprecated
+     * @param textFieldID id of the text field to focus
+     * Unfocuses the specified text field
+     * noop if it wasn't focused
+     */
+    blurTextInput(textFieldID?: number): void;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/textinput.html#methods
  */
 declare class TextInputComponent extends React.Component<TextInputProps> {}
-declare const TextInputBase: Constructor<NativeMethodsMixin> &
-  Constructor<TimerMixin> &
-  typeof TextInputComponent
+declare const TextInputBase: Constructor<NativeMethodsMixin> & Constructor<TimerMixin> & typeof TextInputComponent;
 export class TextInput extends TextInputBase {
-  /**
-   * Access the current focus state.
-   */
-  static State: TextInputState
+    /**
+     * Access the current focus state.
+     */
+    static State: TextInputState;
 
-  /**
-   * Returns if the input is currently focused.
-   */
-  isFocused: () => boolean
+    /**
+     * Returns if the input is currently focused.
+     */
+    isFocused: () => boolean;
 
-  /**
-   * Removes all text from the input.
-   */
-  clear: () => void
+    /**
+     * Removes all text from the input.
+     */
+    clear: () => void;
 }
 
 export type ToolbarAndroidAction = {
-  /**
-   *  title: required, the title of this action
-   */
-  title: string
+    /**
+     *  title: required, the title of this action
+     */
+    title: string;
 
-  /**
-   * icon: the icon for this action, e.g. require('./some_icon.png')
-   */
-  icon?: ImageURISource
+    /**
+     * icon: the icon for this action, e.g. require('./some_icon.png')
+     */
+    icon?: ImageURISource;
 
-  /**
-   * show: when to show this action as an icon or hide it in the overflow menu: always, ifRoom or never
-   */
-  show?: 'always' | 'ifRoom' | 'never'
+    /**
+     * show: when to show this action as an icon or hide it in the overflow menu: always, ifRoom or never
+     */
+    show?: "always" | "ifRoom" | "never";
 
-  /**
-   * showWithText: boolean, whether to show text alongside the icon or not
-   */
-  showWithText?: boolean
-}
+    /**
+     * showWithText: boolean, whether to show text alongside the icon or not
+     */
+    showWithText?: boolean;
+};
 
 export interface ToolbarAndroidProps extends ViewProps {
-  /**
-   * Sets possible actions on the toolbar as part of the action menu. These are displayed as icons
-   * or text on the right side of the widget. If they don't fit they are placed in an 'overflow'
-   * menu.
-   *
-   * This property takes an array of objects, where each object has the following keys:
-   *
-   * * `title`: **required**, the title of this action
-   * * `icon`: the icon for this action, e.g. `require('./some_icon.png')`
-   * * `show`: when to show this action as an icon or hide it in the overflow menu: `always`,
-   * `ifRoom` or `never`
-   * * `showWithText`: boolean, whether to show text alongside the icon or not
-   */
-  actions?: ToolbarAndroidAction[]
-
-  /**
-   * Sets the content inset for the toolbar ending edge.
-   * The content inset affects the valid area for Toolbar content other
-   * than the navigation button and menu. Insets define the minimum
-   * margin for these components and can be used to effectively align
-   * Toolbar content along well-known gridlines.
-   */
-  contentInsetEnd?: number
-
-  /**
-   * Sets the content inset for the toolbar starting edge.
-   * The content inset affects the valid area for Toolbar content
-   * other than the navigation button and menu. Insets define the
-   * minimum margin for these components and can be used to effectively
-   * align Toolbar content along well-known gridlines.
-   */
-  contentInsetStart?: number
-
-  /**
-   * Sets the toolbar logo.
-   */
-  logo?: ImageURISource
-
-  /**
-   * Sets the navigation icon.
-   */
-  navIcon?: ImageURISource
-
-  /**
-   * Callback that is called when an action is selected. The only
-   * argument that is passed to the callback is the position of the
-   * action in the actions array.
-   */
-  onActionSelected?: (position: number) => void
-
-  /**
-   * Callback called when the icon is selected.
-   */
-  onIconClicked?: () => void
-
-  /**
-   * Sets the overflow icon.
-   */
-  overflowIcon?: ImageURISource
-
-  /**
-   * Used to set the toolbar direction to RTL.
-   * In addition to this property you need to add
-   * android:supportsRtl="true"
-   * to your application AndroidManifest.xml and then call
-   * setLayoutDirection(LayoutDirection.RTL) in your MainActivity
-   * onCreate method.
-   */
-  rtl?: boolean
-
-  /**
-   * Sets the toolbar subtitle.
-   */
-  subtitle?: string
-
-  /**
-   * Sets the toolbar subtitle color.
-   */
-  subtitleColor?: string
-
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
-
-  /**
-   * Sets the toolbar title.
-   */
-  title?: string
-
-  /**
-   * Sets the toolbar title color.
-   */
-  titleColor?: string
+    /**
+     * Sets possible actions on the toolbar as part of the action menu. These are displayed as icons
+     * or text on the right side of the widget. If they don't fit they are placed in an 'overflow'
+     * menu.
+     *
+     * This property takes an array of objects, where each object has the following keys:
+     *
+     * * `title`: **required**, the title of this action
+     * * `icon`: the icon for this action, e.g. `require('./some_icon.png')`
+     * * `show`: when to show this action as an icon or hide it in the overflow menu: `always`,
+     * `ifRoom` or `never`
+     * * `showWithText`: boolean, whether to show text alongside the icon or not
+     */
+    actions?: ToolbarAndroidAction[];
+
+    /**
+     * Sets the content inset for the toolbar ending edge.
+     * The content inset affects the valid area for Toolbar content other
+     * than the navigation button and menu. Insets define the minimum
+     * margin for these components and can be used to effectively align
+     * Toolbar content along well-known gridlines.
+     */
+    contentInsetEnd?: number;
+
+    /**
+     * Sets the content inset for the toolbar starting edge.
+     * The content inset affects the valid area for Toolbar content
+     * other than the navigation button and menu. Insets define the
+     * minimum margin for these components and can be used to effectively
+     * align Toolbar content along well-known gridlines.
+     */
+    contentInsetStart?: number;
+
+    /**
+     * Sets the toolbar logo.
+     */
+    logo?: ImageURISource;
+
+    /**
+     * Sets the navigation icon.
+     */
+    navIcon?: ImageURISource;
+
+    /**
+     * Callback that is called when an action is selected. The only
+     * argument that is passed to the callback is the position of the
+     * action in the actions array.
+     */
+    onActionSelected?: (position: number) => void;
+
+    /**
+     * Callback called when the icon is selected.
+     */
+    onIconClicked?: () => void;
+
+    /**
+     * Sets the overflow icon.
+     */
+    overflowIcon?: ImageURISource;
+
+    /**
+     * Used to set the toolbar direction to RTL.
+     * In addition to this property you need to add
+     * android:supportsRtl="true"
+     * to your application AndroidManifest.xml and then call
+     * setLayoutDirection(LayoutDirection.RTL) in your MainActivity
+     * onCreate method.
+     */
+    rtl?: boolean;
+
+    /**
+     * Sets the toolbar subtitle.
+     */
+    subtitle?: string;
+
+    /**
+     * Sets the toolbar subtitle color.
+     */
+    subtitleColor?: string;
+
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
+
+    /**
+     * Sets the toolbar title.
+     */
+    title?: string;
+
+    /**
+     * Sets the toolbar title color.
+     */
+    titleColor?: string;
 }
 
 /**
@@ -1703,7 +1687,7 @@ export interface ToolbarAndroidProps extends ViewProps {
  * [0]: https://developer.android.com/reference/android/support/v7/widget/Toolbar.html
  */
 declare class ToolbarAndroidComponent extends React.Component<ToolbarAndroidProps> {}
-declare const ToolbarAndroidBase: Constructor<NativeMethodsMixin> & typeof ToolbarAndroidComponent
+declare const ToolbarAndroidBase: Constructor<NativeMethodsMixin> & typeof ToolbarAndroidComponent;
 export class ToolbarAndroid extends ToolbarAndroidBase {}
 
 /**
@@ -1732,562 +1716,563 @@ export class ToolbarAndroid extends ToolbarAndroidBase {}
  * Use TouchableHighlight anywhere where you would use a button or link on web.
  */
 export interface GestureResponderHandlers {
-  /**
-   * A view can become the touch responder by implementing the correct negotiation methods.
-   * There are two methods to ask the view if it wants to become responder:
-   */
-
-  /**
-   * Does this view want to become responder on the start of a touch?
-   */
-  onStartShouldSetResponder?: (event: GestureResponderEvent) => boolean
-
-  /**
-   * Called for every touch move on the View when it is not the responder: does this view want to "claim" touch responsiveness?
-   */
-  onMoveShouldSetResponder?: (event: GestureResponderEvent) => boolean
-
-  /**
-   * If the View returns true and attempts to become the responder, one of the following will happen:
-   */
-
-  onResponderEnd?: (event: GestureResponderEvent) => void
-
-  /**
-   * The View is now responding for touch events.
-   * This is the time to highlight and show the user what is happening
-   */
-  onResponderGrant?: (event: GestureResponderEvent) => void
-
-  /**
-   * Something else is the responder right now and will not release it
-   */
-  onResponderReject?: (event: GestureResponderEvent) => void
-
-  /**
-   * If the view is responding, the following handlers can be called:
-   */
-
-  /**
-   * The user is moving their finger
-   */
-  onResponderMove?: (event: GestureResponderEvent) => void
-
-  /**
-   * Fired at the end of the touch, ie "touchUp"
-   */
-  onResponderRelease?: (event: GestureResponderEvent) => void
-
-  onResponderStart?: (event: GestureResponderEvent) => void
-
-  /**
-   *  Something else wants to become responder.
-   *  Should this view release the responder? Returning true allows release
-   */
-  onResponderTerminationRequest?: (event: GestureResponderEvent) => boolean
-
-  /**
-   * The responder has been taken from the View.
-   * Might be taken by other views after a call to onResponderTerminationRequest,
-   * or might be taken by the OS without asking (happens with control center/ notification center on iOS)
-   */
-  onResponderTerminate?: (event: GestureResponderEvent) => void
-
-  /**
-   * onStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern,
-   * where the deepest node is called first.
-   * That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers.
-   * This is desirable in most cases, because it makes sure all controls and buttons are usable.
-   *
-   * However, sometimes a parent will want to make sure that it becomes responder.
-   * This can be handled by using the capture phase.
-   * Before the responder system bubbles up from the deepest component,
-   * it will do a capture phase, firing on*ShouldSetResponderCapture.
-   * So if a parent View wants to prevent the child from becoming responder on a touch start,
-   * it should have a onStartShouldSetResponderCapture handler which returns true.
-   */
-  onStartShouldSetResponderCapture?: (event: GestureResponderEvent) => boolean
-
-  /**
-   * onStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern,
-   * where the deepest node is called first.
-   * That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers.
-   * This is desirable in most cases, because it makes sure all controls and buttons are usable.
-   *
-   * However, sometimes a parent will want to make sure that it becomes responder.
-   * This can be handled by using the capture phase.
-   * Before the responder system bubbles up from the deepest component,
-   * it will do a capture phase, firing on*ShouldSetResponderCapture.
-   * So if a parent View wants to prevent the child from becoming responder on a touch start,
-   * it should have a onStartShouldSetResponderCapture handler which returns true.
-   */
-  onMoveShouldSetResponderCapture?: (event: GestureResponderEvent) => boolean
-}
+    /**
+     * A view can become the touch responder by implementing the correct negotiation methods.
+     * There are two methods to ask the view if it wants to become responder:
+     */
 
-/**
- * @see https://facebook.github.io/react-native/docs/view.html#style
- * @see https://github.com/facebook/react-native/blob/master/Libraries/Components/View/ViewStylePropTypes.js
- */
-export interface ViewStyle extends FlexStyle, ShadowStyleIOS, TransformsStyle {
-  backfaceVisibility?: 'visible' | 'hidden'
-  backgroundColor?: string
-  borderBottomColor?: string
-  borderBottomEndRadius?: number
-  borderBottomLeftRadius?: number
-  borderBottomRightRadius?: number
-  borderBottomStartRadius?: number
-  borderBottomWidth?: number
-  borderColor?: string
-  borderEndColor?: string
-  borderLeftColor?: string
-  borderLeftWidth?: number
-  borderRadius?: number
-  borderRightColor?: string
-  borderRightWidth?: number
-  borderStartColor?: string
-  borderStyle?: 'solid' | 'dotted' | 'dashed'
-  borderTopColor?: string
-  borderTopEndRadius?: number
-  borderTopLeftRadius?: number
-  borderTopRightRadius?: number
-  borderTopStartRadius?: number
-  borderTopWidth?: number
-  borderWidth?: number
-  opacity?: number
-  testID?: string
-  /**
-   * Sets the elevation of a view, using Android's underlying
-   * [elevation API](https://developer.android.com/training/material/shadows-clipping.html#Elevation).
-   * This adds a drop shadow to the item and affects z-order for overlapping views.
-   * Only supported on Android 5.0+, has no effect on earlier versions.
-   *
-   * @platform android
-   */
-  elevation?: number
-}
+    /**
+     * Does this view want to become responder on the start of a touch?
+     */
+    onStartShouldSetResponder?: (event: GestureResponderEvent) => boolean;
 
-export type TVParallaxProperties = {
-  /**
-   * If true, parallax effects are enabled.  Defaults to true.
-   */
-  enabled?: boolean
-
-  /**
-   * Defaults to 2.0.
-   */
-  shiftDistanceX?: number
-
-  /**
-   * Defaults to 2.0.
-   */
-  shiftDistanceY?: number
-
-  /**
-   * Defaults to 0.05.
-   */
-  tiltAngle?: number
-
-  /**
-   * Defaults to 1.0
-   */
-  magnification?: number
-
-  /**
-   * Defaults to 1.0
-   */
-  pressMagnification?: number
-
-  /**
-   * Defaults to 0.3
-   */
-  pressDuration?: number
-
-  /**
-   * Defaults to 0.3
-   */
-  pressDelay?: number
-}
+    /**
+     * Called for every touch move on the View when it is not the responder: does this view want to "claim" touch responsiveness?
+     */
+    onMoveShouldSetResponder?: (event: GestureResponderEvent) => boolean;
 
-export interface TVViewPropsIOS {
-  /**
-   * *(Apple TV only)* When set to true, this view will be focusable
-   * and navigable using the Apple TV remote.
-   *
-   * @platform ios
-   */
-  isTVSelectable?: boolean
-
-  /**
-   * *(Apple TV only)* May be set to true to force the Apple TV focus engine to move focus to this view.
-   *
-   * @platform ios
-   */
-  hasTVPreferredFocus?: boolean
-
-  /**
-   * *(Apple TV only)* Object with properties to control Apple TV parallax effects.
-   *
-   * @platform ios
-   */
-  tvParallaxProperties?: TVParallaxProperties
-
-  /**
-   * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 2.0.
-   *
-   * @platform ios
-   */
-  tvParallaxShiftDistanceX?: number
-
-  /**
-   * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 2.0.
-   *
-   * @platform ios
-   */
-  tvParallaxShiftDistanceY?: number
-
-  /**
-   * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 0.05.
-   *
-   * @platform ios
-   */
-  tvParallaxTiltAngle?: number
-
-  /**
-   * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 1.0.
-   *
-   * @platform ios
-   */
-  tvParallaxMagnification?: number
-}
+    /**
+     * If the View returns true and attempts to become the responder, one of the following will happen:
+     */
 
-export interface ViewPropsIOS extends TVViewPropsIOS {
-  /**
-   * A Boolean value indicating whether VoiceOver should ignore the elements within views that are siblings of the receiver.
-   * @platform ios
-   */
-  accessibilityViewIsModal?: boolean
-
-  /**
-   * Provides an array of custom actions available for accessibility.
-   * @platform ios
-   */
-  accessibilityActions?: Array<string>
-
-  /**
-   * When `accessible` is true, the system will try to invoke this function
-   * when the user performs an accessibility custom action.
-   * @platform ios
-   */
-  onAccessibilityAction?: () => void
-
-  /**
-   * Whether this view should be rendered as a bitmap before compositing.
-   *
-   * On iOS, this is useful for animations and interactions that do not modify this component's dimensions nor its children;
-   * for example, when translating the position of a static view, rasterization allows the renderer to reuse a cached bitmap of a static view
-   * and quickly composite it during each frame.
-   *
-   * Rasterization incurs an off-screen drawing pass and the bitmap consumes memory.
-   * Test and measure when using this property.
-   */
-  shouldRasterizeIOS?: boolean
-}
+    onResponderEnd?: (event: GestureResponderEvent) => void;
 
-export interface ViewPropsAndroid {
-  /**
-   * Views that are only used to layout their children or otherwise don't draw anything
-   * may be automatically removed from the native hierarchy as an optimization.
-   * Set this property to false to disable this optimization and ensure that this View exists in the native view hierarchy.
-   */
-  collapsable?: boolean
-
-  /**
-   * Whether this view needs to rendered offscreen and composited with an alpha in order to preserve 100% correct colors and blending behavior.
-   * The default (false) falls back to drawing the component and its children
-   * with an alpha applied to the paint used to draw each element instead of rendering the full component offscreen and compositing it back with an alpha value.
-   * This default may be noticeable and undesired in the case where the View you are setting an opacity on
-   * has multiple overlapping elements (e.g. multiple overlapping Views, or text and a background).
-   *
-   * Rendering offscreen to preserve correct alpha behavior is extremely expensive
-   * and hard to debug for non-native developers, which is why it is not turned on by default.
-   * If you do need to enable this property for an animation,
-   * consider combining it with renderToHardwareTextureAndroid if the view contents are static (i.e. it doesn't need to be redrawn each frame).
-   * If that property is enabled, this View will be rendered off-screen once,
-   * saved in a hardware texture, and then composited onto the screen with an alpha each frame without having to switch rendering targets on the GPU.
-   */
-  needsOffscreenAlphaCompositing?: boolean
-
-  /**
-   * Whether this view should render itself (and all of its children) into a single hardware texture on the GPU.
-   *
-   * On Android, this is useful for animations and interactions that only modify opacity, rotation, translation, and/or scale:
-   * in those cases, the view doesn't have to be redrawn and display lists don't need to be re-executed. The texture can just be
-   * re-used and re-composited with different parameters. The downside is that this can use up limited video memory, so this prop should be set back to false at the end of the interaction/animation.
-   */
-  renderToHardwareTextureAndroid?: boolean
-}
-
-type Falsy = undefined | null | false
-interface RecursiveArray<T> extends Array<T | RecursiveArray<T>> {}
-/** Keep a brand of 'T' so that calls to `StyleSheet.flatten` can take `RegisteredStyle<T>` and return `T`. */
-type RegisteredStyle<T> = number & {__registeredStyleBrand: T}
-export type StyleProp<T> = T | RegisteredStyle<T> | RecursiveArray<T | RegisteredStyle<T> | Falsy> | Falsy
+    /**
+     * The View is now responding for touch events.
+     * This is the time to highlight and show the user what is happening
+     */
+    onResponderGrant?: (event: GestureResponderEvent) => void;
 
-/**
- * @see https://facebook.github.io/react-native/docs/accessibility.html#accessibility-properties
- */
-export interface AccessibilityProps extends AccessibilityPropsAndroid, AccessibilityPropsIOS {
-  /**
-   * When true, indicates that the view is an accessibility element.
-   * By default, all the touchable elements are accessible.
-   */
-  accessible?: boolean
-
-  /**
-   * Overrides the text that's read by the screen reader when the user interacts with the element. By default, the
-   * label is constructed by traversing all the children and accumulating all the Text nodes separated by space.
-   */
-  accessibilityLabel?: string
-
-  /**
-   * Accessibility Role tells a person using either VoiceOver on iOS or TalkBack on Android the type of element that is focused on.
-   */
-  accessibilityRole?: AccessibilityRole
-  /**
-   * Accessibility State tells a person using either VoiceOver on iOS or TalkBack on Android the state of the element currently focused on.
-   * @deprecated: accessibilityState available in 0.60+
-   */
-  accessibilityStates?: AccessibilityStates[]
-  /**
-   * Accessibility State tells a person using either VoiceOver on iOS or TalkBack on Android the state of the element currently focused on.
-   */
-  accessibilityState?: AccessibilityState
-  /**
-   * An accessibility hint helps users understand what will happen when they perform an action on the accessibility element when that result is not obvious from the accessibility label.
-   */
-  accessibilityHint?: string
-}
+    /**
+     * Something else is the responder right now and will not release it
+     */
+    onResponderReject?: (event: GestureResponderEvent) => void;
 
-// @deprecated: use AccessibilityState available in 0.60+
-export type AccessibilityStates =
-  | 'disabled'
-  | 'selected'
-  | 'checked'
-  | 'unchecked'
-  | 'busy'
-  | 'expanded'
-  | 'collapsed'
-  | 'hasPopup'
+    /**
+     * If the view is responding, the following handlers can be called:
+     */
 
-export interface AccessibilityState {
-  /**
-   * When true, informs accessible tools if the element is disabled
-   */
-  disabled?: boolean
-  /**
-   * When true, informs accessible tools if the element is selected
-   */
-  selected?: boolean
-  /**
-   * For items like Checkboxes and Toggle switches, reports their state to accessible tools
-   */
-  checked?: boolean | 'mixed'
-  /**
-   *  When present, informs accessible tools if the element is busy
-   */
-  busy?: boolean
-  /**
-   *  When present, informs accessible tools the element is expanded or collapsed
-   */
-  expanded?: boolean
-}
+    /**
+     * The user is moving their finger
+     */
+    onResponderMove?: (event: GestureResponderEvent) => void;
 
-export type AccessibilityRole =
-  | 'none'
-  | 'button'
-  | 'link'
-  | 'search'
-  | 'image'
-  | 'keyboardkey'
-  | 'text'
-  | 'adjustable'
-  | 'imagebutton'
-  | 'header'
-  | 'summary'
-  | 'alert'
-  | 'checkbox'
-  | 'combobox'
-  | 'menu'
-  | 'menubar'
-  | 'menuitem'
-  | 'progressbar'
-  | 'radio'
-  | 'radiogroup'
-  | 'scrollbar'
-  | 'spinbutton'
-  | 'switch'
-  | 'tab'
-  | 'tablist'
-  | 'timer'
-  | 'toolbar'
+    /**
+     * Fired at the end of the touch, ie "touchUp"
+     */
+    onResponderRelease?: (event: GestureResponderEvent) => void;
 
-export interface AccessibilityPropsAndroid {
-  /**
-   * In some cases, we also want to alert the end user of the type of selected component (i.e., that it is a “button”).
-   * If we were using native buttons, this would work automatically. Since we are using javascript, we need to
-   * provide a bit more context for TalkBack. To do so, you must specify the ‘accessibilityComponentType’ property
-   * for any UI component. For instances, we support ‘button’, ‘radiobutton_checked’ and ‘radiobutton_unchecked’ and so on.
-   * @platform android
-   */
-  accessibilityComponentType?: 'none' | 'button' | 'radiobutton_checked' | 'radiobutton_unchecked'
-
-  /**
-   * Indicates to accessibility services whether the user should be notified when this view changes.
-   * Works for Android API >= 19 only.
-   * See http://developer.android.com/reference/android/view/View.html#attr_android:accessibilityLiveRegion for references.
-   * @platform android
-   */
-  accessibilityLiveRegion?: 'none' | 'polite' | 'assertive'
-
-  /**
-   * Controls how view is important for accessibility which is if it fires accessibility events
-   * and if it is reported to accessibility services that query the screen.
-   * Works for Android only. See http://developer.android.com/reference/android/R.attr.html#importantForAccessibility for references.
-   *
-   * Possible values:
-   *      'auto' - The system determines whether the view is important for accessibility - default (recommended).
-   *      'yes' - The view is important for accessibility.
-   *      'no' - The view is not important for accessibility.
-   *      'no-hide-descendants' - The view is not important for accessibility, nor are any of its descendant views.
-   */
-  importantForAccessibility?: 'auto' | 'yes' | 'no' | 'no-hide-descendants'
-}
+    onResponderStart?: (event: GestureResponderEvent) => void;
 
-export interface AccessibilityPropsIOS {
-  /**
-   * A Boolean value indicating whether the accessibility elements contained within this accessibility element
-   * are hidden to the screen reader.
-   * @platform ios
-   */
-  accessibilityElementsHidden?: boolean
-
-  /**
-   * Accessibility traits tell a person using VoiceOver what kind of element they have selected.
-   * Is this element a label? A button? A header? These questions are answered by accessibilityTraits.
-   * @platform ios
-   */
-  accessibilityTraits?: AccessibilityTrait | AccessibilityTrait[]
-
-  /**
-   * When `accessible` is true, the system will try to invoke this function when the user performs accessibility tap gesture.
-   * @platform ios
-   */
-  onAccessibilityTap?: () => void
-
-  /**
-   * When accessible is true, the system will invoke this function when the user performs the magic tap gesture.
-   * @platform ios
-   */
-  onMagicTap?: () => void
-
-  /**
-   * https://facebook.github.io/react-native/docs/accessibility#accessibilityignoresinvertcolorsios
-   * @platform ios
-   */
-  accessibilityIgnoresInvertColors?: boolean
-}
+    /**
+     *  Something else wants to become responder.
+     *  Should this view release the responder? Returning true allows release
+     */
+    onResponderTerminationRequest?: (event: GestureResponderEvent) => boolean;
 
-type AccessibilityTrait =
-  | 'none'
-  | 'button'
-  | 'link'
-  | 'header'
-  | 'search'
-  | 'image'
-  | 'selected'
-  | 'plays'
-  | 'key'
-  | 'text'
-  | 'summary'
-  | 'disabled'
-  | 'frequentUpdates'
-  | 'startsMedia'
-  | 'adjustable'
-  | 'allowsDirectInteraction'
-  | 'pageTurn'
+    /**
+     * The responder has been taken from the View.
+     * Might be taken by other views after a call to onResponderTerminationRequest,
+     * or might be taken by the OS without asking (happens with control center/ notification center on iOS)
+     */
+    onResponderTerminate?: (event: GestureResponderEvent) => void;
 
-/**
+    /**
+     * onStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern,
+     * where the deepest node is called first.
+     * That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers.
+     * This is desirable in most cases, because it makes sure all controls and buttons are usable.
+     *
+     * However, sometimes a parent will want to make sure that it becomes responder.
+     * This can be handled by using the capture phase.
+     * Before the responder system bubbles up from the deepest component,
+     * it will do a capture phase, firing on*ShouldSetResponderCapture.
+     * So if a parent View wants to prevent the child from becoming responder on a touch start,
+     * it should have a onStartShouldSetResponderCapture handler which returns true.
+     */
+    onStartShouldSetResponderCapture?: (event: GestureResponderEvent) => boolean;
+
+    /**
+     * onStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern,
+     * where the deepest node is called first.
+     * That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers.
+     * This is desirable in most cases, because it makes sure all controls and buttons are usable.
+     *
+     * However, sometimes a parent will want to make sure that it becomes responder.
+     * This can be handled by using the capture phase.
+     * Before the responder system bubbles up from the deepest component,
+     * it will do a capture phase, firing on*ShouldSetResponderCapture.
+     * So if a parent View wants to prevent the child from becoming responder on a touch start,
+     * it should have a onStartShouldSetResponderCapture handler which returns true.
+     */
+    onMoveShouldSetResponderCapture?: (event: GestureResponderEvent) => boolean;
+}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/view.html#style
+ * @see https://github.com/facebook/react-native/blob/master/Libraries/Components/View/ViewStylePropTypes.js
+ */
+export interface ViewStyle extends FlexStyle, ShadowStyleIOS, TransformsStyle {
+    backfaceVisibility?: "visible" | "hidden";
+    backgroundColor?: string;
+    borderBottomColor?: string;
+    borderBottomEndRadius?: number;
+    borderBottomLeftRadius?: number;
+    borderBottomRightRadius?: number;
+    borderBottomStartRadius?: number;
+    borderBottomWidth?: number;
+    borderColor?: string;
+    borderEndColor?: string;
+    borderLeftColor?: string;
+    borderLeftWidth?: number;
+    borderRadius?: number;
+    borderRightColor?: string;
+    borderRightWidth?: number;
+    borderStartColor?: string;
+    borderStyle?: "solid" | "dotted" | "dashed";
+    borderTopColor?: string;
+    borderTopEndRadius?: number;
+    borderTopLeftRadius?: number;
+    borderTopRightRadius?: number;
+    borderTopStartRadius?: number;
+    borderTopWidth?: number;
+    borderWidth?: number;
+    opacity?: number;
+    testID?: string;
+    /**
+     * Sets the elevation of a view, using Android's underlying
+     * [elevation API](https://developer.android.com/training/material/shadows-clipping.html#Elevation).
+     * This adds a drop shadow to the item and affects z-order for overlapping views.
+     * Only supported on Android 5.0+, has no effect on earlier versions.
+     *
+     * @platform android
+     */
+    elevation?: number;
+}
+
+export type TVParallaxProperties = {
+    /**
+     * If true, parallax effects are enabled.  Defaults to true.
+     */
+    enabled?: boolean,
+
+    /**
+     * Defaults to 2.0.
+     */
+    shiftDistanceX?: number,
+
+    /**
+     * Defaults to 2.0.
+     */
+    shiftDistanceY?: number,
+
+    /**
+     * Defaults to 0.05.
+     */
+    tiltAngle?: number,
+
+    /**
+     * Defaults to 1.0
+     */
+    magnification?: number,
+
+    /**
+     * Defaults to 1.0
+     */
+    pressMagnification?: number,
+
+    /**
+     * Defaults to 0.3
+     */
+    pressDuration?: number,
+
+    /**
+     * Defaults to 0.3
+     */
+    pressDelay?: number,
+}
+
+export interface TVViewPropsIOS {
+    /**
+     * *(Apple TV only)* When set to true, this view will be focusable
+     * and navigable using the Apple TV remote.
+     *
+     * @platform ios
+     */
+    isTVSelectable?: boolean,
+
+    /**
+     * *(Apple TV only)* May be set to true to force the Apple TV focus engine to move focus to this view.
+     *
+     * @platform ios
+     */
+    hasTVPreferredFocus?: boolean,
+
+    /**
+     * *(Apple TV only)* Object with properties to control Apple TV parallax effects.
+     *
+     * @platform ios
+     */
+    tvParallaxProperties?: TVParallaxProperties,
+
+    /**
+     * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 2.0.
+     *
+     * @platform ios
+     */
+    tvParallaxShiftDistanceX?: number,
+
+    /**
+     * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 2.0.
+     *
+     * @platform ios
+     */
+    tvParallaxShiftDistanceY?: number,
+
+    /**
+     * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 0.05.
+     *
+     * @platform ios
+     */
+    tvParallaxTiltAngle?: number,
+
+    /**
+     * *(Apple TV only)* May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus.  Defaults to 1.0.
+     *
+     * @platform ios
+     */
+    tvParallaxMagnification?: number,
+}
+
+export interface ViewPropsIOS extends TVViewPropsIOS {
+    /**
+     * A Boolean value indicating whether VoiceOver should ignore the elements within views that are siblings of the receiver.
+     * @platform ios
+     */
+    accessibilityViewIsModal?: boolean;
+
+    /**
+     * Provides an array of custom actions available for accessibility.
+     * @platform ios
+     */
+    accessibilityActions?: Array<string>;
+
+    /**
+     * When `accessible` is true, the system will try to invoke this function
+     * when the user performs an accessibility custom action.
+     * @platform ios
+     */
+    onAccessibilityAction?: () => void;
+
+    /**
+     * Whether this view should be rendered as a bitmap before compositing.
+     *
+     * On iOS, this is useful for animations and interactions that do not modify this component's dimensions nor its children;
+     * for example, when translating the position of a static view, rasterization allows the renderer to reuse a cached bitmap of a static view
+     * and quickly composite it during each frame.
+     *
+     * Rasterization incurs an off-screen drawing pass and the bitmap consumes memory.
+     * Test and measure when using this property.
+     */
+    shouldRasterizeIOS?: boolean;
+}
+
+export interface ViewPropsAndroid {
+    /**
+     * Views that are only used to layout their children or otherwise don't draw anything
+     * may be automatically removed from the native hierarchy as an optimization.
+     * Set this property to false to disable this optimization and ensure that this View exists in the native view hierarchy.
+     */
+    collapsable?: boolean;
+
+    /**
+     * Whether this view needs to rendered offscreen and composited with an alpha in order to preserve 100% correct colors and blending behavior.
+     * The default (false) falls back to drawing the component and its children
+     * with an alpha applied to the paint used to draw each element instead of rendering the full component offscreen and compositing it back with an alpha value.
+     * This default may be noticeable and undesired in the case where the View you are setting an opacity on
+     * has multiple overlapping elements (e.g. multiple overlapping Views, or text and a background).
+     *
+     * Rendering offscreen to preserve correct alpha behavior is extremely expensive
+     * and hard to debug for non-native developers, which is why it is not turned on by default.
+     * If you do need to enable this property for an animation,
+     * consider combining it with renderToHardwareTextureAndroid if the view contents are static (i.e. it doesn't need to be redrawn each frame).
+     * If that property is enabled, this View will be rendered off-screen once,
+     * saved in a hardware texture, and then composited onto the screen with an alpha each frame without having to switch rendering targets on the GPU.
+     */
+    needsOffscreenAlphaCompositing?: boolean;
+
+    /**
+     * Whether this view should render itself (and all of its children) into a single hardware texture on the GPU.
+     *
+     * On Android, this is useful for animations and interactions that only modify opacity, rotation, translation, and/or scale:
+     * in those cases, the view doesn't have to be redrawn and display lists don't need to be re-executed. The texture can just be
+     * re-used and re-composited with different parameters. The downside is that this can use up limited video memory, so this prop should be set back to false at the end of the interaction/animation.
+     */
+    renderToHardwareTextureAndroid?: boolean;
+}
+
+type Falsy = undefined | null | false;
+interface RecursiveArray<T> extends Array<T | RecursiveArray<T>> {}
+/** Keep a brand of 'T' so that calls to `StyleSheet.flatten` can take `RegisteredStyle<T>` and return `T`. */
+type RegisteredStyle<T> = number & { __registeredStyleBrand: T };
+export type StyleProp<T> = T | RegisteredStyle<T> | RecursiveArray<T | RegisteredStyle<T> | Falsy> | Falsy;
+
+/**
+ * @see https://facebook.github.io/react-native/docs/accessibility.html#accessibility-properties
+ */
+export interface AccessibilityProps extends AccessibilityPropsAndroid, AccessibilityPropsIOS {
+    /**
+     * When true, indicates that the view is an accessibility element.
+     * By default, all the touchable elements are accessible.
+     */
+    accessible?: boolean;
+
+    /**
+     * Overrides the text that's read by the screen reader when the user interacts with the element. By default, the
+     * label is constructed by traversing all the children and accumulating all the Text nodes separated by space.
+     */
+    accessibilityLabel?: string;
+
+    /**
+     * Accessibility Role tells a person using either VoiceOver on iOS or TalkBack on Android the type of element that is focused on.
+     */
+    accessibilityRole?: AccessibilityRole;
+    /**
+     * Accessibility State tells a person using either VoiceOver on iOS or TalkBack on Android the state of the element currently focused on.
+     * @deprecated: accessibilityState available in 0.60+
+     */
+    accessibilityStates?: AccessibilityStates[];
+    /**
+     * Accessibility State tells a person using either VoiceOver on iOS or TalkBack on Android the state of the element currently focused on.
+     */
+    accessibilityState?: AccessibilityState;
+    /**
+     * An accessibility hint helps users understand what will happen when they perform an action on the accessibility element when that result is not obvious from the accessibility label.
+     */
+    accessibilityHint?: string;
+}
+
+// @deprecated: use AccessibilityState available in 0.60+
+export type AccessibilityStates =
+    | "disabled"
+    | "selected"
+    | "checked"
+    | "unchecked"
+    | "busy"
+    | "expanded"
+    | "collapsed"
+    | "hasPopup";
+
+export interface AccessibilityState {
+    /**
+     * When true, informs accessible tools if the element is disabled
+     */
+    disabled?: boolean;
+    /**
+     * When true, informs accessible tools if the element is selected
+     */
+    selected?: boolean;
+    /**
+     * For items like Checkboxes and Toggle switches, reports their state to accessible tools
+     */
+    checked?: boolean | "mixed";
+    /**
+     *  When present, informs accessible tools if the element is busy
+     */
+    busy?: boolean;
+    /**
+     *  When present, informs accessible tools the element is expanded or collapsed
+     */
+    expanded?: boolean;
+}
+
+export type AccessibilityRole =
+    | "none"
+    | "button"
+    | "link"
+    | "search"
+    | "image"
+    | "keyboardkey"
+    | "text"
+    | "adjustable"
+    | "imagebutton"
+    | "header"
+    | "summary"
+    | "alert"
+    | "checkbox"
+    | "combobox"
+    | "menu"
+    | "menubar"
+    | "menuitem"
+    | "progressbar"
+    | "radio"
+    | "radiogroup"
+    | "scrollbar"
+    | "spinbutton"
+    | "switch"
+    | "tab"
+    | "tablist"
+    | "timer"
+    | "toolbar";
+
+
+export interface AccessibilityPropsAndroid {
+    /**
+     * In some cases, we also want to alert the end user of the type of selected component (i.e., that it is a “button”).
+     * If we were using native buttons, this would work automatically. Since we are using javascript, we need to
+     * provide a bit more context for TalkBack. To do so, you must specify the ‘accessibilityComponentType’ property
+     * for any UI component. For instances, we support ‘button’, ‘radiobutton_checked’ and ‘radiobutton_unchecked’ and so on.
+     * @platform android
+     */
+    accessibilityComponentType?: "none" | "button" | "radiobutton_checked" | "radiobutton_unchecked";
+
+    /**
+     * Indicates to accessibility services whether the user should be notified when this view changes.
+     * Works for Android API >= 19 only.
+     * See http://developer.android.com/reference/android/view/View.html#attr_android:accessibilityLiveRegion for references.
+     * @platform android
+     */
+    accessibilityLiveRegion?: "none" | "polite" | "assertive";
+
+    /**
+     * Controls how view is important for accessibility which is if it fires accessibility events
+     * and if it is reported to accessibility services that query the screen.
+     * Works for Android only. See http://developer.android.com/reference/android/R.attr.html#importantForAccessibility for references.
+     *
+     * Possible values:
+     *      'auto' - The system determines whether the view is important for accessibility - default (recommended).
+     *      'yes' - The view is important for accessibility.
+     *      'no' - The view is not important for accessibility.
+     *      'no-hide-descendants' - The view is not important for accessibility, nor are any of its descendant views.
+     */
+    importantForAccessibility?: "auto" | "yes" | "no" | "no-hide-descendants";
+}
+
+export interface AccessibilityPropsIOS {
+    /**
+     * A Boolean value indicating whether the accessibility elements contained within this accessibility element
+     * are hidden to the screen reader.
+     * @platform ios
+     */
+    accessibilityElementsHidden?: boolean;
+
+    /**
+     * Accessibility traits tell a person using VoiceOver what kind of element they have selected.
+     * Is this element a label? A button? A header? These questions are answered by accessibilityTraits.
+     * @platform ios
+     */
+    accessibilityTraits?: AccessibilityTrait | AccessibilityTrait[];
+
+    /**
+     * When `accessible` is true, the system will try to invoke this function when the user performs accessibility tap gesture.
+     * @platform ios
+     */
+    onAccessibilityTap?: () => void;
+
+    /**
+     * When accessible is true, the system will invoke this function when the user performs the magic tap gesture.
+     * @platform ios
+     */
+    onMagicTap?: () => void;
+
+    /**
+     * https://facebook.github.io/react-native/docs/accessibility#accessibilityignoresinvertcolorsios
+     * @platform ios
+     */
+    accessibilityIgnoresInvertColors?: boolean;
+}
+
+type AccessibilityTrait =
+    | "none"
+    | "button"
+    | "link"
+    | "header"
+    | "search"
+    | "image"
+    | "selected"
+    | "plays"
+    | "key"
+    | "text"
+    | "summary"
+    | "disabled"
+    | "frequentUpdates"
+    | "startsMedia"
+    | "adjustable"
+    | "allowsDirectInteraction"
+    | "pageTurn";
+
+/**
  * @see https://facebook.github.io/react-native/docs/view.html#props
  */
 export interface ViewProps
-  extends ViewPropsAndroid,
-    ViewPropsIOS,
-    GestureResponderHandlers,
-    Touchable,
-    AccessibilityProps {
-  /**
-   * This defines how far a touch event can start away from the view.
-   * Typical interface guidelines recommend touch targets that are at least
-   * 30 - 40 points/density-independent pixels. If a Touchable view has
-   * a height of 20 the touchable height can be extended to 40 with
-   * hitSlop={{top: 10, bottom: 10, left: 0, right: 0}}
-   * NOTE The touch area never extends past the parent view bounds and
-   * the Z-index of sibling views always takes precedence if a touch
-   * hits two overlapping views.
-   */
-  hitSlop?: Insets
-
-  /**
-   * Invoked on mount and layout changes with
-   *
-   * {nativeEvent: { layout: {x, y, width, height}}}.
-   */
-  onLayout?: (event: LayoutChangeEvent) => void
-
-  /**
-   *
-   * In the absence of auto property, none is much like CSS's none value. box-none is as if you had applied the CSS class:
-   *
-   * .box-none {
-   *   pointer-events: none;
-   * }
-   * .box-none * {
-   *   pointer-events: all;
-   * }
-   *
-   * box-only is the equivalent of
-   *
-   * .box-only {
-   *   pointer-events: all;
-   * }
-   * .box-only * {
-   *   pointer-events: none;
-   * }
-   *
-   * But since pointerEvents does not affect layout/appearance, and we are already deviating from the spec by adding additional modes,
-   * we opt to not include pointerEvents on style. On some platforms, we would need to implement it as a className anyways. Using style or not is an implementation detail of the platform.
-   */
-  pointerEvents?: 'box-none' | 'none' | 'box-only' | 'auto'
-
-  /**
-   *
-   * This is a special performance property exposed by RCTView and is useful for scrolling content when there are many subviews,
-   * most of which are offscreen. For this property to be effective, it must be applied to a view that contains many subviews that extend outside its bound.
-   * The subviews must also have overflow: hidden, as should the containing view (or one of its superviews).
-   */
-  removeClippedSubviews?: boolean
-
-  style?: StyleProp<ViewStyle>
-
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
-
-  /**
-   * Used to reference react managed views from native code.
-   */
-  nativeID?: string
+    extends ViewPropsAndroid,
+        ViewPropsIOS,
+        GestureResponderHandlers,
+        Touchable,
+        AccessibilityProps {
+    /**
+     * This defines how far a touch event can start away from the view.
+     * Typical interface guidelines recommend touch targets that are at least
+     * 30 - 40 points/density-independent pixels. If a Touchable view has
+     * a height of 20 the touchable height can be extended to 40 with
+     * hitSlop={{top: 10, bottom: 10, left: 0, right: 0}}
+     * NOTE The touch area never extends past the parent view bounds and
+     * the Z-index of sibling views always takes precedence if a touch
+     * hits two overlapping views.
+     */
+    hitSlop?: Insets;
+
+    /**
+     * Invoked on mount and layout changes with
+     *
+     * {nativeEvent: { layout: {x, y, width, height}}}.
+     */
+    onLayout?: (event: LayoutChangeEvent) => void;
+
+    /**
+     *
+     * In the absence of auto property, none is much like CSS's none value. box-none is as if you had applied the CSS class:
+     *
+     * .box-none {
+     *   pointer-events: none;
+     * }
+     * .box-none * {
+     *   pointer-events: all;
+     * }
+     *
+     * box-only is the equivalent of
+     *
+     * .box-only {
+     *   pointer-events: all;
+     * }
+     * .box-only * {
+     *   pointer-events: none;
+     * }
+     *
+     * But since pointerEvents does not affect layout/appearance, and we are already deviating from the spec by adding additional modes,
+     * we opt to not include pointerEvents on style. On some platforms, we would need to implement it as a className anyways. Using style or not is an implementation detail of the platform.
+     */
+    pointerEvents?: "box-none" | "none" | "box-only" | "auto";
+
+    /**
+     *
+     * This is a special performance property exposed by RCTView and is useful for scrolling content when there are many subviews,
+     * most of which are offscreen. For this property to be effective, it must be applied to a view that contains many subviews that extend outside its bound.
+     * The subviews must also have overflow: hidden, as should the containing view (or one of its superviews).
+     */
+    removeClippedSubviews?: boolean;
+
+    style?: StyleProp<ViewStyle>;
+
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
+
+    /**
+     * Used to reference react managed views from native code.
+     */
+    nativeID?: string;
 }
 
 /**
@@ -2297,13 +2282,13 @@ export interface ViewProps
  * whether that is a UIView, <div>, android.view, etc.
  */
 declare class ViewComponent extends React.Component<ViewProps> {}
-declare const ViewBase: Constructor<NativeMethodsMixin> & typeof ViewComponent
+declare const ViewBase: Constructor<NativeMethodsMixin> & typeof ViewComponent;
 export class View extends ViewBase {
-  /**
-   * Is 3D Touch / Force Touch available (i.e. will touch events include `force`)
-   * @platform ios
-   */
-  static forceTouchAvailable: boolean
+    /**
+     * Is 3D Touch / Force Touch available (i.e. will touch events include `force`)
+     * @platform ios
+     */
+    static forceTouchAvailable: boolean;
 }
 
 /**
@@ -2311,84 +2296,84 @@ export class View extends ViewBase {
  */
 
 export interface ViewPagerAndroidOnPageScrollEventData {
-  position: number
-  offset: number
+    position: number;
+    offset: number;
 }
 
 export interface ViewPagerAndroidOnPageSelectedEventData {
-  position: number
+    position: number;
 }
 
 export interface ViewPagerAndroidProps extends ViewProps {
-  /**
-   * Index of initial page that should be selected. Use `setPage` method to
-   * update the page, and `onPageSelected` to monitor page changes
-   */
-  initialPage?: number
-
-  /**
-   * When false, the content does not scroll.
-   * The default value is true.
-   */
-  scrollEnabled?: boolean
-
-  /**
-   * Executed when transitioning between pages (ether because of animation for
-   * the requested page change or when user is swiping/dragging between pages)
-   * The `event.nativeEvent` object for this callback will carry following data:
-   *  - position - index of first page from the left that is currently visible
-   *  - offset - value from range [0,1) describing stage between page transitions.
-   *    Value x means that (1 - x) fraction of the page at "position" index is
-   *    visible, and x fraction of the next page is visible.
-   */
-  onPageScroll?: (event: NativeSyntheticEvent<ViewPagerAndroidOnPageScrollEventData>) => void
-
-  /**
-   * This callback will be called once ViewPager finish navigating to selected page
-   * (when user swipes between pages). The `event.nativeEvent` object passed to this
-   * callback will have following fields:
-   *  - position - index of page that has been selected
-   */
-  onPageSelected?: (event: NativeSyntheticEvent<ViewPagerAndroidOnPageSelectedEventData>) => void
-
-  /**
-   * Function called when the page scrolling state has changed.
-   * The page scrolling state can be in 3 states:
-   * - idle, meaning there is no interaction with the page scroller happening at the time
-   * - dragging, meaning there is currently an interaction with the page scroller
-   * - settling, meaning that there was an interaction with the page scroller, and the
-   *   page scroller is now finishing it's closing or opening animation
-   */
-  onPageScrollStateChanged?: (state: 'Idle' | 'Dragging' | 'Settling') => void
-
-  /**
-   * Determines whether the keyboard gets dismissed in response to a drag.
-   *   - 'none' (the default), drags do not dismiss the keyboard.
-   *   - 'on-drag', the keyboard is dismissed when a drag begins.
-   */
-  keyboardDismissMode?: 'none' | 'on-drag'
-
-  /**
-   * Blank space to show between pages. This is only visible while scrolling, pages are still
-   * edge-to-edge.
-   */
-  pageMargin?: number
+    /**
+     * Index of initial page that should be selected. Use `setPage` method to
+     * update the page, and `onPageSelected` to monitor page changes
+     */
+    initialPage?: number;
+
+    /**
+     * When false, the content does not scroll.
+     * The default value is true.
+     */
+    scrollEnabled?: boolean;
+
+    /**
+     * Executed when transitioning between pages (ether because of animation for
+     * the requested page change or when user is swiping/dragging between pages)
+     * The `event.nativeEvent` object for this callback will carry following data:
+     *  - position - index of first page from the left that is currently visible
+     *  - offset - value from range [0,1) describing stage between page transitions.
+     *    Value x means that (1 - x) fraction of the page at "position" index is
+     *    visible, and x fraction of the next page is visible.
+     */
+    onPageScroll?: (event: NativeSyntheticEvent<ViewPagerAndroidOnPageScrollEventData>) => void;
+
+    /**
+     * This callback will be called once ViewPager finish navigating to selected page
+     * (when user swipes between pages). The `event.nativeEvent` object passed to this
+     * callback will have following fields:
+     *  - position - index of page that has been selected
+     */
+    onPageSelected?: (event: NativeSyntheticEvent<ViewPagerAndroidOnPageSelectedEventData>) => void;
+
+    /**
+     * Function called when the page scrolling state has changed.
+     * The page scrolling state can be in 3 states:
+     * - idle, meaning there is no interaction with the page scroller happening at the time
+     * - dragging, meaning there is currently an interaction with the page scroller
+     * - settling, meaning that there was an interaction with the page scroller, and the
+     *   page scroller is now finishing it's closing or opening animation
+     */
+    onPageScrollStateChanged?: (state: "Idle" | "Dragging" | "Settling") => void;
+
+    /**
+     * Determines whether the keyboard gets dismissed in response to a drag.
+     *   - 'none' (the default), drags do not dismiss the keyboard.
+     *   - 'on-drag', the keyboard is dismissed when a drag begins.
+     */
+    keyboardDismissMode?: "none" | "on-drag";
+
+    /**
+     * Blank space to show between pages. This is only visible while scrolling, pages are still
+     * edge-to-edge.
+     */
+    pageMargin?: number;
 }
 
 declare class ViewPagerAndroidComponent extends React.Component<ViewPagerAndroidProps> {}
-declare const ViewPagerAndroidBase: Constructor<NativeMethodsMixin> & typeof ViewPagerAndroidComponent
+declare const ViewPagerAndroidBase: Constructor<NativeMethodsMixin> & typeof ViewPagerAndroidComponent;
 export class ViewPagerAndroid extends ViewPagerAndroidBase {
-  /**
-   * A helper function to scroll to a specific page in the ViewPager.
-   * The transition between pages will be animated.
-   */
-  setPage(selectedPage: number): void
+    /**
+     * A helper function to scroll to a specific page in the ViewPager.
+     * The transition between pages will be animated.
+     */
+    setPage(selectedPage: number): void;
 
-  /**
-   * A helper function to scroll to a specific page in the ViewPager.
-   * The transition between pages will *not* be animated.
-   */
-  setPageWithoutAnimation(selectedPage: number): void
+    /**
+     * A helper function to scroll to a specific page in the ViewPager.
+     * The transition between pages will *not* be animated.
+     */
+    setPageWithoutAnimation(selectedPage: number): void;
 }
 
 /**
@@ -2396,365 +2381,365 @@ export class ViewPagerAndroid extends ViewPagerAndroidBase {
  * It can automatically adjust either its position or bottom padding based on the position of the keyboard.
  */
 declare class KeyboardAvoidingViewComponent extends React.Component<KeyboardAvoidingViewProps> {}
-declare const KeyboardAvoidingViewBase: Constructor<TimerMixin> & typeof KeyboardAvoidingViewComponent
+declare const KeyboardAvoidingViewBase: Constructor<TimerMixin> & typeof KeyboardAvoidingViewComponent;
 export class KeyboardAvoidingView extends KeyboardAvoidingViewBase {}
 
 export interface KeyboardAvoidingViewProps extends ViewProps {
-  behavior?: 'height' | 'position' | 'padding'
+    behavior?: "height" | "position" | "padding";
 
-  /**
-   * The style of the content container(View) when behavior is 'position'.
-   */
-  contentContainerStyle?: StyleProp<ViewStyle>
+    /**
+     * The style of the content container(View) when behavior is 'position'.
+     */
+    contentContainerStyle?: StyleProp<ViewStyle>;
 
-  /**
-   * This is the distance between the top of the user screen and the react native view,
-   * may be non-zero in some use cases.
-   */
-  keyboardVerticalOffset?: number
+    /**
+     * This is the distance between the top of the user screen and the react native view,
+     * may be non-zero in some use cases.
+     */
+    keyboardVerticalOffset?: number;
 
-  /**
-   * Enables or disables the KeyboardAvoidingView.
-   *
-   * Default is true
-   */
-  enabled?: boolean
+    /**
+     * Enables or disables the KeyboardAvoidingView.
+     *
+     * Default is true
+     */
+    enabled?: boolean;
 }
 
 /**
  * //FIXME: No documentation extracted from code comment on WebView.ios.js
  */
 export interface NavState {
-  url?: string
-  title?: string
-  loading?: boolean
-  canGoBack?: boolean
-  canGoForward?: boolean
+    url?: string;
+    title?: string;
+    loading?: boolean;
+    canGoBack?: boolean;
+    canGoForward?: boolean;
 
-  [key: string]: any
+    [key: string]: any;
 }
 
 /**
  * Passed data from WebView via window.postMessage.
  */
 export interface WebViewMessageEventData {
-  /**
-   * The data sent from a WebView; can only be a string.
-   */
-  data: string
+    /**
+     * The data sent from a WebView; can only be a string.
+     */
+    data: string;
 }
 
 export interface WebViewPropsAndroid {
-  /**
-   * Used for android only, JS is enabled by default for WebView on iOS
-   */
-  javaScriptEnabled?: boolean
-
-  /**
-   * Used on Android only, controls whether DOM Storage is enabled
-   * or not android
-   */
-  domStorageEnabled?: boolean
-
-  /**
-   * Sets the user-agent for the WebView.
-   */
-  userAgent?: string
-
-  /**
+    /**
+     * Used for android only, JS is enabled by default for WebView on iOS
+     */
+    javaScriptEnabled?: boolean;
+
+    /**
+     * Used on Android only, controls whether DOM Storage is enabled
+     * or not android
+     */
+    domStorageEnabled?: boolean;
+
+    /**
+     * Sets the user-agent for the WebView.
+     */
+    userAgent?: string;
+
+    /**
     * Specifies the mixed content mode. i.e WebView will allow a secure origin to load content from any other origin.
 Possible values for mixedContentMode are:
 'never' (default) - WebView will not allow a secure origin to load content from an insecure origin.
 'always' - WebView will allow a secure origin to load content from any other origin, even if that origin is insecure.
 'compatibility' - WebView will attempt to be compatible with the approach of a modern web browser with regard to mixed content.
     */
-  mixedContentMode?: 'never' | 'always' | 'compatibility'
+    mixedContentMode?: "never" | "always" | "compatibility";
 
-  /**
-   * Controls whether form autocomplete data should be saved
-   */
-  saveFormDataDisabled?: boolean
+    /**
+     * Controls whether form autocomplete data should be saved
+     */
+    saveFormDataDisabled?: boolean;
 
-  /**
-   * Sets whether the webview allows access to the file system.
-   */
-  allowFileAccess?: boolean
+    /**
+     * Sets whether the webview allows access to the file system.
+     */
+    allowFileAccess?: boolean;
 }
 
 export interface WebViewIOSLoadRequestEvent extends TargetedEvent {
-  canGoBack: boolean
-  lockIdentifier: number
-  loading: boolean
-  title: string
-  canGoForward: boolean
-  navigationType: 'click' | 'formsubmit' | 'backforward' | 'reload' | 'formresubmit' | 'other'
-  url: string
+    canGoBack: boolean;
+    lockIdentifier: number;
+    loading: boolean;
+    title: string;
+    canGoForward: boolean;
+    navigationType: "click" | "formsubmit" | "backforward" | "reload" | "formresubmit" | "other";
+    url: string;
 }
 
 export interface WebViewPropsIOS {
-  /**
-   * Determines whether HTML5 videos play inline or use the native
-   * full-screen controller. default value false
-   * NOTE : "In order * for video to play inline, not only does
-   * this property need to be set to true, but the video element
-   * in the HTML document must also include the webkit-playsinline
-   * attribute."
-   */
-  allowsInlineMediaPlayback?: boolean
-
-  /**
-   * Boolean value that determines whether the web view bounces
-   * when it reaches the edge of the content. The default value is `true`.
-   * @platform ios
-   */
-  bounces?: boolean
-
-  /**
-   * Determines the types of data converted to clickable URLs in
-   * the web view’s content. By default only phone numbers are detected.
-   *
-   * You can provide one type or an array of many types.
-   *
-   * Possible values for `dataDetectorTypes` are:
-   *
-   * - `'phoneNumber'`
-   * - `'link'`
-   * - `'address'`
-   * - `'calendarEvent'`
-   * - `'none'`
-   * - `'all'`
-   */
-  dataDetectorTypes?: DataDetectorTypes | DataDetectorTypes[]
-
-  /**
-   * A floating-point number that determines how quickly the scroll
-   * view decelerates after the user lifts their finger. You may also
-   * use string shortcuts "normal" and "fast" which match the
-   * underlying iOS settings for UIScrollViewDecelerationRateNormal
-   * and UIScrollViewDecelerationRateFast respectively.
-   * - normal: 0.998 - fast: 0.99 (the default for iOS WebView)
-   */
-  decelerationRate?: 'normal' | 'fast' | number
-
-  /**
-   * Allows custom handling of any webview requests by a JS handler.
-   * Return true or false from this method to continue loading the
-   * request.
-   */
-  onShouldStartLoadWithRequest?: (event: WebViewIOSLoadRequestEvent) => boolean
-
-  /**
-   * Boolean value that determines whether scrolling is enabled in the
-   * `WebView`. The default value is `true`.
-   */
-  scrollEnabled?: boolean
-
-  /**
-   * If `true`, use WKWebView instead of UIWebView.
-   */
-  useWebKit?: boolean
-}
+    /**
+     * Determines whether HTML5 videos play inline or use the native
+     * full-screen controller. default value false
+     * NOTE : "In order * for video to play inline, not only does
+     * this property need to be set to true, but the video element
+     * in the HTML document must also include the webkit-playsinline
+     * attribute."
+     */
+    allowsInlineMediaPlayback?: boolean;
 
-export interface WebViewUriSource {
-  /*
-   * The URI to load in the WebView. Can be a local or remote file.
-   */
-  uri?: string
-
-  /*
-   * The HTTP Method to use. Defaults to GET if not specified.
-   * NOTE: On Android, only GET and POST are supported.
-   */
-  method?: 'GET' | 'POST'
-
-  /*
-   * Additional HTTP headers to send with the request.
-   * NOTE: On Android, this can only be used with GET requests.
-   */
-  headers?: any
-
-  /*
-   * The HTTP body to send with the request. This must be a valid
-   * UTF-8 string, and will be sent exactly as specified, with no
-   * additional encoding (e.g. URL-escaping or base64) applied.
-   * NOTE: On Android, this can only be used with POST requests.
-   */
-  body?: string
+    /**
+     * Boolean value that determines whether the web view bounces
+     * when it reaches the edge of the content. The default value is `true`.
+     * @platform ios
+     */
+    bounces?: boolean;
+
+    /**
+     * Determines the types of data converted to clickable URLs in
+     * the web view’s content. By default only phone numbers are detected.
+     *
+     * You can provide one type or an array of many types.
+     *
+     * Possible values for `dataDetectorTypes` are:
+     *
+     * - `'phoneNumber'`
+     * - `'link'`
+     * - `'address'`
+     * - `'calendarEvent'`
+     * - `'none'`
+     * - `'all'`
+     */
+    dataDetectorTypes?: DataDetectorTypes | DataDetectorTypes[];
+
+    /**
+     * A floating-point number that determines how quickly the scroll
+     * view decelerates after the user lifts their finger. You may also
+     * use string shortcuts "normal" and "fast" which match the
+     * underlying iOS settings for UIScrollViewDecelerationRateNormal
+     * and UIScrollViewDecelerationRateFast respectively.
+     * - normal: 0.998 - fast: 0.99 (the default for iOS WebView)
+     */
+    decelerationRate?: "normal" | "fast" | number;
+
+    /**
+     * Allows custom handling of any webview requests by a JS handler.
+     * Return true or false from this method to continue loading the
+     * request.
+     */
+    onShouldStartLoadWithRequest?: (event: WebViewIOSLoadRequestEvent) => boolean;
+
+    /**
+     * Boolean value that determines whether scrolling is enabled in the
+     * `WebView`. The default value is `true`.
+     */
+    scrollEnabled?: boolean;
+
+    /**
+     * If `true`, use WKWebView instead of UIWebView.
+     */
+    useWebKit?: boolean;
+}
+
+export interface WebViewUriSource {
+    /*
+     * The URI to load in the WebView. Can be a local or remote file.
+     */
+    uri?: string;
+
+    /*
+     * The HTTP Method to use. Defaults to GET if not specified.
+     * NOTE: On Android, only GET and POST are supported.
+     */
+    method?: "GET" | "POST";
+
+    /*
+     * Additional HTTP headers to send with the request.
+     * NOTE: On Android, this can only be used with GET requests.
+     */
+    headers?: any;
+
+    /*
+     * The HTTP body to send with the request. This must be a valid
+     * UTF-8 string, and will be sent exactly as specified, with no
+     * additional encoding (e.g. URL-escaping or base64) applied.
+     * NOTE: On Android, this can only be used with POST requests.
+     */
+    body?: string;
 }
 
 export interface WebViewHtmlSource {
-  /*
-   * A static HTML page to display in the WebView.
-   */
-  html: string
+    /*
+     * A static HTML page to display in the WebView.
+     */
+    html: string;
 
-  /*
-   * The base URL to be used for any relative links in the HTML.
-   */
-  baseUrl?: string
+    /*
+     * The base URL to be used for any relative links in the HTML.
+     */
+    baseUrl?: string;
 }
 
 export interface WebViewNativeConfig {
-  /*
-   * The native component used to render the WebView.
-   */
-  component?: any
+    /*
+     * The native component used to render the WebView.
+     */
+    component?: any;
 
-  /*
-   * Set props directly on the native component WebView. Enables custom props which the
-   * original WebView doesn't pass through.
-   */
-  props?: object
+    /*
+     * Set props directly on the native component WebView. Enables custom props which the
+     * original WebView doesn't pass through.
+     */
+    props?: object;
 
-  /*
-   * Set the ViewManager to use for communication with the native side.
-   * @platform ios
-   */
-  viewManager?: object
+    /*
+     * Set the ViewManager to use for communication with the native side.
+     * @platform ios
+     */
+    viewManager?: object;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/webview.html#props
  */
 export interface WebViewProps extends ViewProps, WebViewPropsAndroid, WebViewPropsIOS {
-  /**
-   * Controls whether to adjust the content inset for web views that are
-   * placed behind a navigation bar, tab bar, or toolbar. The default value
-   * is `true`.
-   */
-  automaticallyAdjustContentInsets?: boolean
-
-  /**
-   * The amount by which the web view content is inset from the edges of
-   * the scroll view. Defaults to {top: 0, left: 0, bottom: 0, right: 0}.
-   */
-  contentInset?: Insets
-
-  /**
-   * @deprecated
-   */
-  html?: string
-
-  /**
-   * Set this to provide JavaScript that will be injected into the web page
-   * when the view loads.
-   */
-  injectedJavaScript?: string
-
-  /**
-   * Invoked when load fails
-   */
-  onError?: (event: NavState) => void
-
-  /**
-   * Invoked when load finish
-   */
-  onLoad?: (event: NavState) => void
-
-  /**
-   * Invoked when load either succeeds or fails
-   */
-  onLoadEnd?: (event: NavState) => void
-
-  /**
-   * Invoked on load start
-   */
-  onLoadStart?: (event: NavState) => void
-
-  /**
-   * Invoked when window.postMessage is called from WebView.
-   */
-  onMessage?: (event: NativeSyntheticEvent<WebViewMessageEventData>) => void
-
-  /**
-   * Function that is invoked when the `WebView` loading starts or ends.
-   */
-  onNavigationStateChange?: (event: NavState) => void
-
-  /**
-   * Function that returns a view to show if there's an error.
-   */
-  renderError?: () => React.ReactElement<ViewProps>
-
-  /**
-   * Function that returns a loading indicator.
-   */
-  renderLoading?: () => React.ReactElement<ViewProps>
-
-  /**
-   * Boolean value that forces the `WebView` to show the loading view
-   * on the first load.
-   */
-  startInLoadingState?: boolean
-
-  style?: StyleProp<ViewStyle>
-
-  // Deprecated: Use the `source` prop instead.
-  url?: string
-
-  source?: WebViewUriSource | WebViewHtmlSource | number
-
-  /**
-   * Determines whether HTML5 audio & videos require the user to tap
-   * before they can start playing. The default value is false.
-   */
-  mediaPlaybackRequiresUserAction?: boolean
-
-  /**
-   * sets whether the webpage scales to fit the view and the user can change the scale
-   */
-  scalesPageToFit?: boolean
-
-  /**
-   * List of origin strings to allow being navigated to.
-   * The strings allow wildcards and get matched against just the origin (not the full URL).
-   * If the user taps to navigate to a new page but the new page is not in this whitelist, the URL will be handled by the OS.
-   * The default whitelisted origins are "http://" and "https://".
-   */
-  originWhitelist?: string[]
-
-  /**
-   * Override the native component used to render the WebView. Enables a custom native
-   * WebView which uses the same JavaScript as the original WebView.
-   */
-  nativeConfig?: WebViewNativeConfig
+    /**
+     * Controls whether to adjust the content inset for web views that are
+     * placed behind a navigation bar, tab bar, or toolbar. The default value
+     * is `true`.
+     */
+    automaticallyAdjustContentInsets?: boolean;
+
+    /**
+     * The amount by which the web view content is inset from the edges of
+     * the scroll view. Defaults to {top: 0, left: 0, bottom: 0, right: 0}.
+     */
+    contentInset?: Insets;
+
+    /**
+     * @deprecated
+     */
+    html?: string;
+
+    /**
+     * Set this to provide JavaScript that will be injected into the web page
+     * when the view loads.
+     */
+    injectedJavaScript?: string;
+
+    /**
+     * Invoked when load fails
+     */
+    onError?: (event: NavState) => void;
+
+    /**
+     * Invoked when load finish
+     */
+    onLoad?: (event: NavState) => void;
+
+    /**
+     * Invoked when load either succeeds or fails
+     */
+    onLoadEnd?: (event: NavState) => void;
+
+    /**
+     * Invoked on load start
+     */
+    onLoadStart?: (event: NavState) => void;
+
+    /**
+     * Invoked when window.postMessage is called from WebView.
+     */
+    onMessage?: (event: NativeSyntheticEvent<WebViewMessageEventData>) => void;
+
+    /**
+     * Function that is invoked when the `WebView` loading starts or ends.
+     */
+    onNavigationStateChange?: (event: NavState) => void;
+
+    /**
+     * Function that returns a view to show if there's an error.
+     */
+    renderError?: () => React.ReactElement<ViewProps>;
+
+    /**
+     * Function that returns a loading indicator.
+     */
+    renderLoading?: () => React.ReactElement<ViewProps>;
+
+    /**
+     * Boolean value that forces the `WebView` to show the loading view
+     * on the first load.
+     */
+    startInLoadingState?: boolean;
+
+    style?: StyleProp<ViewStyle>;
+
+    // Deprecated: Use the `source` prop instead.
+    url?: string;
+
+    source?: WebViewUriSource | WebViewHtmlSource | number;
+
+    /**
+     * Determines whether HTML5 audio & videos require the user to tap
+     * before they can start playing. The default value is false.
+     */
+    mediaPlaybackRequiresUserAction?: boolean;
+
+    /**
+     * sets whether the webpage scales to fit the view and the user can change the scale
+     */
+    scalesPageToFit?: boolean;
+
+    /**
+     * List of origin strings to allow being navigated to.
+     * The strings allow wildcards and get matched against just the origin (not the full URL).
+     * If the user taps to navigate to a new page but the new page is not in this whitelist, the URL will be handled by the OS.
+     * The default whitelisted origins are "http://" and "https://".
+     */
+    originWhitelist?: string[];
+
+    /**
+     * Override the native component used to render the WebView. Enables a custom native
+     * WebView which uses the same JavaScript as the original WebView.
+     */
+    nativeConfig?: WebViewNativeConfig;
 }
 
 export class WebView extends React.Component<WebViewProps> {
-  /**
-   * Go back one page in the webview's history.
-   */
-  goBack: () => void
-
-  /**
-   * Go forward one page in the webview's history.
-   */
-  goForward: () => void
-
-  /**
-   * Post a message to the WebView in the form of a string.
-   */
-  postMessage: (message: string) => void
-
-  /**
-   * Reloads the current page.
-   */
-  reload: () => void
-
-  /**
-   * Stop loading the current page.
-   */
-  stopLoading(): void
-
-  /**
-   * Returns the native webview node.
-   */
-  getWebViewHandle: () => any
-
-  /**
-   * Inject JavaScript to be executed immediately.
-   */
-  injectJavaScript: (script: string) => void
+    /**
+     * Go back one page in the webview's history.
+     */
+    goBack: () => void;
+
+    /**
+     * Go forward one page in the webview's history.
+     */
+    goForward: () => void;
+
+    /**
+     * Post a message to the WebView in the form of a string.
+     */
+    postMessage: (message: string) => void;
+
+    /**
+     * Reloads the current page.
+     */
+    reload: () => void;
+
+    /**
+     * Stop loading the current page.
+     */
+    stopLoading(): void;
+
+    /**
+     * Returns the native webview node.
+     */
+    getWebViewHandle: () => any;
+
+    /**
+     * Inject JavaScript to be executed immediately.
+     */
+    injectJavaScript: (script: string) => void;
 }
 
 /**
@@ -2762,47 +2747,47 @@ export class WebView extends React.Component<WebViewProps> {
  * @see SegmentedControlIOS.ios.js
  */
 export interface NativeSegmentedControlIOSChangeEvent extends TargetedEvent {
-  value: string
-  selectedSegmentIndex: number
+    value: string;
+    selectedSegmentIndex: number;
 }
 
 export interface SegmentedControlIOSProps extends ViewProps {
-  /**
-   * If false the user won't be able to interact with the control. Default value is true.
-   */
-  enabled?: boolean
-
-  /**
-   * If true, then selecting a segment won't persist visually.
-   * The onValueChange callback will still work as expected.
-   */
-  momentary?: boolean
-
-  /**
-   * Callback that is called when the user taps a segment;
-   * passes the event as an argument
-   */
-  onChange?: (event: NativeSyntheticEvent<NativeSegmentedControlIOSChangeEvent>) => void
-
-  /**
-   * Callback that is called when the user taps a segment; passes the segment's value as an argument
-   */
-  onValueChange?: (value: string) => void
-
-  /**
-   * The index in props.values of the segment to be (pre)selected.
-   */
-  selectedIndex?: number
-
-  /**
-   * Accent color of the control.
-   */
-  tintColor?: string
-
-  /**
-   * The labels for the control's segment buttons, in order.
-   */
-  values?: string[]
+    /**
+     * If false the user won't be able to interact with the control. Default value is true.
+     */
+    enabled?: boolean;
+
+    /**
+     * If true, then selecting a segment won't persist visually.
+     * The onValueChange callback will still work as expected.
+     */
+    momentary?: boolean;
+
+    /**
+     * Callback that is called when the user taps a segment;
+     * passes the event as an argument
+     */
+    onChange?: (event: NativeSyntheticEvent<NativeSegmentedControlIOSChangeEvent>) => void;
+
+    /**
+     * Callback that is called when the user taps a segment; passes the segment's value as an argument
+     */
+    onValueChange?: (value: string) => void;
+
+    /**
+     * The index in props.values of the segment to be (pre)selected.
+     */
+    selectedIndex?: number;
+
+    /**
+     * Accent color of the control.
+     */
+    tintColor?: string;
+
+    /**
+     * The labels for the control's segment buttons, in order.
+     */
+    values?: string[];
 }
 
 /**
@@ -2812,7 +2797,7 @@ export interface SegmentedControlIOSProps extends ViewProps {
  * such as rounded corners or camera notches (aka sensor housing area on iPhone X).
  */
 declare class SafeAreaViewComponent extends React.Component<ViewProps> {}
-declare const SafeAreaViewBase: Constructor<NativeMethodsMixin> & typeof SafeAreaViewComponent
+declare const SafeAreaViewBase: Constructor<NativeMethodsMixin> & typeof SafeAreaViewComponent;
 export class SafeAreaView extends SafeAreaViewBase {}
 
 /**
@@ -2825,14 +2810,14 @@ export class SafeAreaView extends SafeAreaViewBase {}
 export class InputAccessoryView extends React.Component<InputAccessoryViewProps> {}
 
 export interface InputAccessoryViewProps {
-  backgroundColor?: string
+    backgroundColor?: string;
 
-  /**
-   * An ID which is used to associate this InputAccessoryView to specified TextInput(s).
-   */
-  nativeID?: string
+    /**
+     * An ID which is used to associate this InputAccessoryView to specified TextInput(s).
+     */
+    nativeID?: string;
 
-  style?: StyleProp<ViewStyle>
+    style?: StyleProp<ViewStyle>;
 }
 
 /**
@@ -2856,69 +2841,69 @@ export interface InputAccessoryViewProps {
  * ````
  */
 declare class SegmentedControlIOSComponent extends React.Component<SegmentedControlIOSProps> {}
-declare const SegmentedControlIOSBase: Constructor<NativeMethodsMixin> & typeof SegmentedControlIOSComponent
+declare const SegmentedControlIOSBase: Constructor<NativeMethodsMixin> & typeof SegmentedControlIOSComponent;
 export class SegmentedControlIOS extends SegmentedControlIOSBase {}
 
 export interface NavigatorIOSProps {
-  /**
-   * The default background color of the navigation bar.
-   */
-  barTintColor?: string
-
-  /**
-   * NavigatorIOS uses "route" objects to identify child views, their props, and navigation bar configuration.
-   * "push" and all the other navigation operations expect routes to be like this
-   */
-  initialRoute: Route
-
-  /**
-   * The default wrapper style for components in the navigator.
-   * A common use case is to set the backgroundColor for every page
-   */
-  itemWrapperStyle?: StyleProp<ViewStyle>
-
-  /**
-   * Boolean value that indicates whether the interactive pop gesture is
-   * enabled. This is useful for enabling/disabling the back swipe navigation
-   * gesture.
-   *
-   * If this prop is not provided, the default behavior is for the back swipe
-   * gesture to be enabled when the navigation bar is shown and disabled when
-   * the navigation bar is hidden. Once you've provided the
-   * `interactivePopGestureEnabled` prop, you can never restore the default
-   * behavior.
-   */
-  interactivePopGestureEnabled?: boolean
-
-  /**
-   * A Boolean value that indicates whether the navigation bar is hidden
-   */
-  navigationBarHidden?: boolean
-
-  /**
-   * A Boolean value that indicates whether to hide the 1px hairline shadow
-   */
-  shadowHidden?: boolean
-
-  /**
-   * The color used for buttons in the navigation bar
-   */
-  tintColor?: string
-
-  /**
-   * The text color of the navigation bar title
-   */
-  titleTextColor?: string
-
-  /**
-   * A Boolean value that indicates whether the navigation bar is translucent
-   */
-  translucent?: boolean
-
-  /**
-   * NOT IN THE DOC BUT IN THE EXAMPLES
-   */
-  style?: StyleProp<ViewStyle>
+    /**
+     * The default background color of the navigation bar.
+     */
+    barTintColor?: string;
+
+    /**
+     * NavigatorIOS uses "route" objects to identify child views, their props, and navigation bar configuration.
+     * "push" and all the other navigation operations expect routes to be like this
+     */
+    initialRoute: Route;
+
+    /**
+     * The default wrapper style for components in the navigator.
+     * A common use case is to set the backgroundColor for every page
+     */
+    itemWrapperStyle?: StyleProp<ViewStyle>;
+
+    /**
+     * Boolean value that indicates whether the interactive pop gesture is
+     * enabled. This is useful for enabling/disabling the back swipe navigation
+     * gesture.
+     *
+     * If this prop is not provided, the default behavior is for the back swipe
+     * gesture to be enabled when the navigation bar is shown and disabled when
+     * the navigation bar is hidden. Once you've provided the
+     * `interactivePopGestureEnabled` prop, you can never restore the default
+     * behavior.
+     */
+    interactivePopGestureEnabled?: boolean;
+
+    /**
+     * A Boolean value that indicates whether the navigation bar is hidden
+     */
+    navigationBarHidden?: boolean;
+
+    /**
+     * A Boolean value that indicates whether to hide the 1px hairline shadow
+     */
+    shadowHidden?: boolean;
+
+    /**
+     * The color used for buttons in the navigation bar
+     */
+    tintColor?: string;
+
+    /**
+     * The text color of the navigation bar title
+     */
+    titleTextColor?: string;
+
+    /**
+     * A Boolean value that indicates whether the navigation bar is translucent
+     */
+    translucent?: boolean;
+
+    /**
+     * NOT IN THE DOC BUT IN THE EXAMPLES
+     */
+    style?: StyleProp<ViewStyle>;
 }
 
 /**
@@ -2930,119 +2915,119 @@ export interface NavigatorIOSProps {
  * @see https://facebook.github.io/react-native/docs/navigatorios.html#navigator
  */
 export class NavigatorIOS extends React.Component<NavigatorIOSProps> {
-  /**
-   * Navigate forward to a new route
-   */
-  push: (route: Route) => void
-
-  /**
-   * Go back one page
-   */
-  pop: () => void
-
-  /**
-   * Go back N pages at once. When N=1, behavior matches pop()
-   */
-  popN: (n: number) => void
-
-  /**
-   * Replace the route for the current page and immediately load the view for the new route
-   */
-  replace: (route: Route) => void
-
-  /**
-   * Replace the route/view for the previous page
-   */
-  replacePrevious: (route: Route) => void
-
-  /**
-   * Replaces the previous route/view and transitions back to it
-   */
-  replacePreviousAndPop: (route: Route) => void
-
-  /**
-   * Replaces the top item and popToTop
-   */
-  resetTo: (route: Route) => void
-
-  /**
-   * Go back to the item for a particular route object
-   */
-  popToRoute(route: Route): void
-
-  /**
-   * Go back to the top item
-   */
-  popToTop(): void
+    /**
+     * Navigate forward to a new route
+     */
+    push: (route: Route) => void;
+
+    /**
+     * Go back one page
+     */
+    pop: () => void;
+
+    /**
+     * Go back N pages at once. When N=1, behavior matches pop()
+     */
+    popN: (n: number) => void;
+
+    /**
+     * Replace the route for the current page and immediately load the view for the new route
+     */
+    replace: (route: Route) => void;
+
+    /**
+     * Replace the route/view for the previous page
+     */
+    replacePrevious: (route: Route) => void;
+
+    /**
+     * Replaces the previous route/view and transitions back to it
+     */
+    replacePreviousAndPop: (route: Route) => void;
+
+    /**
+     * Replaces the top item and popToTop
+     */
+    resetTo: (route: Route) => void;
+
+    /**
+     * Go back to the item for a particular route object
+     */
+    popToRoute(route: Route): void;
+
+    /**
+     * Go back to the top item
+     */
+    popToTop(): void;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/activityindicator.html#props
  */
 export interface ActivityIndicatorProps extends ViewProps {
-  /**
-   * Whether to show the indicator (true, the default) or hide it (false).
-   */
-  animating?: boolean
+    /**
+     * Whether to show the indicator (true, the default) or hide it (false).
+     */
+    animating?: boolean;
 
-  /**
-   * The foreground color of the spinner (default is gray).
-   */
-  color?: string
+    /**
+     * The foreground color of the spinner (default is gray).
+     */
+    color?: string;
 
-  /**
-   * Whether the indicator should hide when not animating (true by default).
-   */
-  hidesWhenStopped?: boolean
+    /**
+     * Whether the indicator should hide when not animating (true by default).
+     */
+    hidesWhenStopped?: boolean;
 
-  /**
-   * Size of the indicator.
-   * Small has a height of 20, large has a height of 36.
-   *
-   * enum('small', 'large')
-   */
-  size?: number | 'small' | 'large'
+    /**
+     * Size of the indicator.
+     * Small has a height of 20, large has a height of 36.
+     *
+     * enum('small', 'large')
+     */
+    size?: number | "small" | "large";
 
-  style?: StyleProp<ViewStyle>
+    style?: StyleProp<ViewStyle>;
 }
 
 declare class ActivityIndicatorComponent extends React.Component<ActivityIndicatorProps> {}
-declare const ActivityIndicatorBase: Constructor<NativeMethodsMixin> & typeof ActivityIndicatorComponent
+declare const ActivityIndicatorBase: Constructor<NativeMethodsMixin> & typeof ActivityIndicatorComponent;
 export class ActivityIndicator extends ActivityIndicatorBase {}
 
 /**
  * @see https://facebook.github.io/react-native/docs/activityindicatorios.html#props
  */
 export interface ActivityIndicatorIOSProps extends ViewProps {
-  /**
-   * Whether to show the indicator (true, the default) or hide it (false).
-   */
-  animating?: boolean
+    /**
+     * Whether to show the indicator (true, the default) or hide it (false).
+     */
+    animating?: boolean;
 
-  /**
-   * The foreground color of the spinner (default is gray).
-   */
-  color?: string
+    /**
+     * The foreground color of the spinner (default is gray).
+     */
+    color?: string;
 
-  /**
-   * Whether the indicator should hide when not animating (true by default).
-   */
-  hidesWhenStopped?: boolean
+    /**
+     * Whether the indicator should hide when not animating (true by default).
+     */
+    hidesWhenStopped?: boolean;
 
-  /**
-   * Invoked on mount and layout changes with
-   */
-  onLayout?: (event: {nativeEvent: {layout: {x: number; y: number; width: number; height: number}}}) => void
+    /**
+     * Invoked on mount and layout changes with
+     */
+    onLayout?: (event: { nativeEvent: { layout: { x: number; y: number; width: number; height: number } } }) => void;
 
-  /**
-   * Size of the indicator.
-   * Small has a height of 20, large has a height of 36.
-   *
-   * enum('small', 'large')
-   */
-  size?: 'small' | 'large'
+    /**
+     * Size of the indicator.
+     * Small has a height of 20, large has a height of 36.
+     *
+     * enum('small', 'large')
+     */
+    size?: "small" | "large";
 
-  style?: StyleProp<ViewStyle>
+    style?: StyleProp<ViewStyle>;
 }
 
 /**
@@ -3051,57 +3036,57 @@ export interface ActivityIndicatorIOSProps extends ViewProps {
 export class ActivityIndicatorIOS extends React.Component<ActivityIndicatorIOSProps> {}
 
 export interface DatePickerIOSProps extends ViewProps {
-  /**
-   * The currently selected date.
-   */
-  date: Date
-
-  /**
-   * The date picker locale.
-   */
-  locale?: string
-
-  /**
-   * Maximum date.
-   * Restricts the range of possible date/time values.
-   */
-  maximumDate?: Date
-
-  /**
-   * Maximum date.
-   * Restricts the range of possible date/time values.
-   */
-  minimumDate?: Date
-
-  /**
-   *  enum(1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30)
-   *  The interval at which minutes can be selected.
-   */
-  minuteInterval?: 1 | 2 | 3 | 4 | 5 | 6 | 10 | 12 | 15 | 20 | 30
-
-  /**
-   *  enum('date', 'time', 'datetime')
-   *  The date picker mode.
-   */
-  mode?: 'date' | 'time' | 'datetime'
-
-  /**
-   * Date change handler.
-   * This is called when the user changes the date or time in the UI.
-   * The first and only argument is a Date object representing the new date and time.
-   */
-  onDateChange: (newDate: Date) => void
-
-  /**
-   * Timezone offset in minutes.
-   * By default, the date picker will use the device's timezone. With this parameter, it is possible to force a certain timezone offset.
-   * For instance, to show times in Pacific Standard Time, pass -7 * 60.
-   */
-  timeZoneOffsetInMinutes?: number
+    /**
+     * The currently selected date.
+     */
+    date: Date;
+
+    /**
+     * The date picker locale.
+     */
+    locale?: string;
+
+    /**
+     * Maximum date.
+     * Restricts the range of possible date/time values.
+     */
+    maximumDate?: Date;
+
+    /**
+     * Maximum date.
+     * Restricts the range of possible date/time values.
+     */
+    minimumDate?: Date;
+
+    /**
+     *  enum(1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30)
+     *  The interval at which minutes can be selected.
+     */
+    minuteInterval?: 1 | 2 | 3 | 4 | 5 | 6 | 10 | 12 | 15 | 20 | 30;
+
+    /**
+     *  enum('date', 'time', 'datetime')
+     *  The date picker mode.
+     */
+    mode?: "date" | "time" | "datetime";
+
+    /**
+     * Date change handler.
+     * This is called when the user changes the date or time in the UI.
+     * The first and only argument is a Date object representing the new date and time.
+     */
+    onDateChange: (newDate: Date) => void;
+
+    /**
+     * Timezone offset in minutes.
+     * By default, the date picker will use the device's timezone. With this parameter, it is possible to force a certain timezone offset.
+     * For instance, to show times in Pacific Standard Time, pass -7 * 60.
+     */
+    timeZoneOffsetInMinutes?: number;
 }
 
 declare class DatePickerIOSComponent extends React.Component<DatePickerIOSProps> {}
-declare const DatePickerIOSBase: Constructor<NativeMethodsMixin> & typeof DatePickerIOSComponent
+declare const DatePickerIOSBase: Constructor<NativeMethodsMixin> & typeof DatePickerIOSComponent;
 export class DatePickerIOS extends DatePickerIOSBase {}
 
 export interface DrawerSlideEvent extends NativeSyntheticEvent<NativeTouchEvent> {}
@@ -3110,127 +3095,127 @@ export interface DrawerSlideEvent extends NativeSyntheticEvent<NativeTouchEvent>
  * @see DrawerLayoutAndroid.android.js
  */
 export interface DrawerLayoutAndroidProps extends ViewProps {
-  /**
-   * Specifies the background color of the drawer. The default value
-   * is white. If you want to set the opacity of the drawer, use rgba.
-   * Example:
-   * return (
-   *   <DrawerLayoutAndroid drawerBackgroundColor="rgba(0,0,0,0.5)">
-   *   </DrawerLayoutAndroid>
-   *);
-   */
-  drawerBackgroundColor?: string
-
-  /**
-   * Specifies the lock mode of the drawer. The drawer can be locked
-   * in 3 states:
-   *
-   * - unlocked (default), meaning that the drawer will respond
-   *   (open/close) to touch gestures.
-   *
-   * - locked-closed, meaning that the drawer will stay closed and not
-   *   respond to gestures.
-   *
-   * - locked-open, meaning that the drawer will stay opened and
-   *   not respond to gestures. The drawer may still be opened and
-   *   closed programmatically (openDrawer/closeDrawer).
-   */
-  drawerLockMode?: 'unlocked' | 'locked-closed' | 'locked-open'
-
-  /**
-   * Specifies the side of the screen from which the drawer will slide in.
-   * enum(DrawerLayoutAndroid.positions.Left, DrawerLayoutAndroid.positions.Right)
-   */
-  drawerPosition?: number
-
-  /**
-   * Specifies the width of the drawer, more precisely the width of the
-   * view that be pulled in from the edge of the window.
-   */
-  drawerWidth?: number
-
-  /**
-   * Determines whether the keyboard gets dismissed in response to a drag.
-   * - 'none' (the default), drags do not dismiss the keyboard.
-   * - 'on-drag', the keyboard is dismissed when a drag begins.
-   */
-  keyboardDismissMode?: 'none' | 'on-drag'
-
-  /**
-   * Function called whenever the navigation view has been closed.
-   */
-  onDrawerClose?: () => void
-
-  /**
-   * Function called whenever the navigation view has been opened.
-   */
-  onDrawerOpen?: () => void
-
-  /**
-   * Function called whenever there is an interaction with the navigation view.
-   */
-  onDrawerSlide?: (event: DrawerSlideEvent) => void
-
-  /**
-   * Function called when the drawer state has changed.
-   * The drawer can be in 3 states:
-   * - idle, meaning there is no interaction with the navigation
-   *   view happening at the time
-   * - dragging, meaning there is currently an interaction with the
-   *   navigation view
-   * - settling, meaning that there was an interaction with the
-   *   navigation view, and the navigation view is now finishing
-   *   it's closing or opening animation
-   */
-  onDrawerStateChanged?: (event: 'Idle' | 'Dragging' | 'Settling') => void
-
-  /**
-   * The navigation view that will be rendered to the side of the
-   * screen and can be pulled in.
-   */
-  renderNavigationView: () => JSX.Element
-
-  /**
-   * Make the drawer take the entire screen and draw the background of
-   * the status bar to allow it to open over the status bar. It will
-   * only have an effect on API 21+.
-   */
-  statusBarBackgroundColor?: string
-}
+    /**
+     * Specifies the background color of the drawer. The default value
+     * is white. If you want to set the opacity of the drawer, use rgba.
+     * Example:
+     * return (
+     *   <DrawerLayoutAndroid drawerBackgroundColor="rgba(0,0,0,0.5)">
+     *   </DrawerLayoutAndroid>
+     *);
+     */
+    drawerBackgroundColor?: string;
 
-interface DrawerPosition {
-  Left: number
-  Right: number
-}
+    /**
+     * Specifies the lock mode of the drawer. The drawer can be locked
+     * in 3 states:
+     *
+     * - unlocked (default), meaning that the drawer will respond
+     *   (open/close) to touch gestures.
+     *
+     * - locked-closed, meaning that the drawer will stay closed and not
+     *   respond to gestures.
+     *
+     * - locked-open, meaning that the drawer will stay opened and
+     *   not respond to gestures. The drawer may still be opened and
+     *   closed programmatically (openDrawer/closeDrawer).
+     */
+    drawerLockMode?: "unlocked" | "locked-closed" | "locked-open";
 
-declare class DrawerLayoutAndroidComponent extends React.Component<DrawerLayoutAndroidProps> {}
-declare const DrawerLayoutAndroidBase: Constructor<NativeMethodsMixin> & typeof DrawerLayoutAndroidComponent
-export class DrawerLayoutAndroid extends DrawerLayoutAndroidBase {
-  /**
-   * drawer's positions.
-   */
-  positions: DrawerPosition
+    /**
+     * Specifies the side of the screen from which the drawer will slide in.
+     * enum(DrawerLayoutAndroid.positions.Left, DrawerLayoutAndroid.positions.Right)
+     */
+    drawerPosition?: number;
 
-  /**
-   * Opens the drawer.
-   */
-  openDrawer(): void
+    /**
+     * Specifies the width of the drawer, more precisely the width of the
+     * view that be pulled in from the edge of the window.
+     */
+    drawerWidth?: number;
 
-  /**
-   * Closes the drawer.
-   */
-  closeDrawer(): void
-}
+    /**
+     * Determines whether the keyboard gets dismissed in response to a drag.
+     * - 'none' (the default), drags do not dismiss the keyboard.
+     * - 'on-drag', the keyboard is dismissed when a drag begins.
+     */
+    keyboardDismissMode?: "none" | "on-drag";
 
-/**
- * @see PickerIOS.ios.js
- */
-export interface PickerIOSItemProps {
-  value?: string | number
-  label?: string
-}
+    /**
+     * Function called whenever the navigation view has been closed.
+     */
+    onDrawerClose?: () => void;
 
-/**
+    /**
+     * Function called whenever the navigation view has been opened.
+     */
+    onDrawerOpen?: () => void;
+
+    /**
+     * Function called whenever there is an interaction with the navigation view.
+     */
+    onDrawerSlide?: (event: DrawerSlideEvent) => void;
+
+    /**
+     * Function called when the drawer state has changed.
+     * The drawer can be in 3 states:
+     * - idle, meaning there is no interaction with the navigation
+     *   view happening at the time
+     * - dragging, meaning there is currently an interaction with the
+     *   navigation view
+     * - settling, meaning that there was an interaction with the
+     *   navigation view, and the navigation view is now finishing
+     *   it's closing or opening animation
+     */
+    onDrawerStateChanged?: (event: "Idle" | "Dragging" | "Settling") => void;
+
+    /**
+     * The navigation view that will be rendered to the side of the
+     * screen and can be pulled in.
+     */
+    renderNavigationView: () => JSX.Element;
+
+    /**
+     * Make the drawer take the entire screen and draw the background of
+     * the status bar to allow it to open over the status bar. It will
+     * only have an effect on API 21+.
+     */
+    statusBarBackgroundColor?: string;
+}
+
+interface DrawerPosition {
+    Left: number;
+    Right: number;
+}
+
+declare class DrawerLayoutAndroidComponent extends React.Component<DrawerLayoutAndroidProps> {}
+declare const DrawerLayoutAndroidBase: Constructor<NativeMethodsMixin> & typeof DrawerLayoutAndroidComponent;
+export class DrawerLayoutAndroid extends DrawerLayoutAndroidBase {
+    /**
+     * drawer's positions.
+     */
+    positions: DrawerPosition;
+
+    /**
+     * Opens the drawer.
+     */
+    openDrawer(): void;
+
+    /**
+     * Closes the drawer.
+     */
+    closeDrawer(): void;
+}
+
+/**
+ * @see PickerIOS.ios.js
+ */
+export interface PickerIOSItemProps {
+    value?: string | number;
+    label?: string;
+}
+
+/**
  * @see PickerIOS.ios.js
  */
 export class PickerIOSItem extends React.Component<PickerIOSItemProps> {}
@@ -3239,45 +3224,45 @@ export class PickerIOSItem extends React.Component<PickerIOSItemProps> {}
  * @see Picker.js
  */
 export interface PickerItemProps {
-  testID?: string
-  color?: string
-  label: string
-  value?: any
+    testID?: string;
+    color?: string;
+    label: string;
+    value?: any;
 }
 
 export class PickerItem extends React.Component<PickerItemProps> {}
 
 export interface PickerPropsIOS extends ViewProps {
-  /**
-   * Style to apply to each of the item labels.
-   * @platform ios
-   */
-  itemStyle?: StyleProp<TextStyle>
+    /**
+     * Style to apply to each of the item labels.
+     * @platform ios
+     */
+    itemStyle?: StyleProp<TextStyle>;
 }
 
 export interface PickerPropsAndroid extends ViewProps {
-  /**
-   * If set to false, the picker will be disabled, i.e. the user will not be able to make a
-   * selection.
-   * @platform android
-   */
-  enabled?: boolean
-
-  /**
-   * On Android, specifies how to display the selection items when the user taps on the picker:
-   *
-   *   - 'dialog': Show a modal dialog. This is the default.
-   *   - 'dropdown': Shows a dropdown anchored to the picker view
-   *
-   * @platform android
-   */
-  mode?: 'dialog' | 'dropdown'
-
-  /**
-   * Prompt string for this picker, used on Android in dialog mode as the title of the dialog.
-   * @platform android
-   */
-  prompt?: string
+    /**
+     * If set to false, the picker will be disabled, i.e. the user will not be able to make a
+     * selection.
+     * @platform android
+     */
+    enabled?: boolean;
+
+    /**
+     * On Android, specifies how to display the selection items when the user taps on the picker:
+     *
+     *   - 'dialog': Show a modal dialog. This is the default.
+     *   - 'dropdown': Shows a dropdown anchored to the picker view
+     *
+     * @platform android
+     */
+    mode?: "dialog" | "dropdown";
+
+    /**
+     * Prompt string for this picker, used on Android in dialog mode as the title of the dialog.
+     * @platform android
+     */
+    prompt?: string;
 }
 
 /**
@@ -3285,26 +3270,26 @@ export interface PickerPropsAndroid extends ViewProps {
  * @see Picker.js
  */
 export interface PickerProps extends PickerPropsIOS, PickerPropsAndroid {
-  /**
-   * Callback for when an item is selected. This is called with the
-   * following parameters:
-   * - itemValue: the value prop of the item that was selected
-   * - itemPosition: the index of the selected item in this picker
-   */
-  onValueChange?: (itemValue: any, itemPosition: number) => void
+    /**
+     * Callback for when an item is selected. This is called with the
+     * following parameters:
+     * - itemValue: the value prop of the item that was selected
+     * - itemPosition: the index of the selected item in this picker
+     */
+    onValueChange?: (itemValue: any, itemPosition: number) => void;
 
-  /**
-   * Value matching value of one of the items.
-   * Can be a string or an integer.
-   */
-  selectedValue?: any
+    /**
+     * Value matching value of one of the items.
+     * Can be a string or an integer.
+     */
+    selectedValue?: any;
 
-  style?: StyleProp<ViewStyle>
+    style?: StyleProp<ViewStyle>;
 
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testId?: string
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testId?: string;
 }
 
 /**
@@ -3312,17 +3297,17 @@ export interface PickerProps extends PickerPropsIOS, PickerPropsAndroid {
  * @see Picker.js
  */
 export class Picker extends React.Component<PickerProps> {
-  /**
-   * On Android, display the options in a dialog.
-   */
-  static MODE_DIALOG: string
+    /**
+     * On Android, display the options in a dialog.
+     */
+    static MODE_DIALOG: string;
 
-  /**
-   * On Android, display the options in a dropdown (this is the default).
-   */
-  static MODE_DROPDOWN: string
+    /**
+     * On Android, display the options in a dropdown (this is the default).
+     */
+    static MODE_DROPDOWN: string;
 
-  static Item: typeof PickerItem
+    static Item: typeof PickerItem;
 }
 
 /**
@@ -3330,9 +3315,9 @@ export class Picker extends React.Component<PickerProps> {
  * @see PickerIOS.ios.js
  */
 export interface PickerIOSProps extends ViewProps {
-  itemStyle?: StyleProp<TextStyle>
-  onValueChange?: (value: string | number) => void
-  selectedValue?: string | number
+    itemStyle?: StyleProp<TextStyle>;
+    onValueChange?: (value: string | number) => void;
+    selectedValue?: string | number;
 }
 
 /**
@@ -3340,9 +3325,9 @@ export interface PickerIOSProps extends ViewProps {
  * @see PickerIOS.ios.js
  */
 declare class PickerIOSComponent extends React.Component<PickerIOSProps> {}
-declare const PickerIOSBase: Constructor<NativeMethodsMixin> & typeof PickerIOSComponent
+declare const PickerIOSBase: Constructor<NativeMethodsMixin> & typeof PickerIOSComponent;
 export class PickerIOS extends PickerIOSBase {
-  static Item: typeof PickerIOSItem
+    static Item: typeof PickerIOSItem;
 }
 
 /**
@@ -3350,7 +3335,7 @@ export class PickerIOS extends PickerIOSBase {
  * @see ProgressBarAndroid.android.js
  */
 export interface ProgressBarAndroidProps extends ViewProps {
-  /**
+    /**
      * Style of the ProgressBar. One of:
          Horizontal
          Normal (default)
@@ -3360,40 +3345,40 @@ export interface ProgressBarAndroidProps extends ViewProps {
          SmallInverse
          LargeInverse
      */
-  styleAttr?: 'Horizontal' | 'Normal' | 'Small' | 'Large' | 'Inverse' | 'SmallInverse' | 'LargeInverse'
+    styleAttr?: "Horizontal" | "Normal" | "Small" | "Large" | "Inverse" | "SmallInverse" | "LargeInverse";
 
-  /**
-   * If the progress bar will show indeterminate progress.
-   * Note that this can only be false if styleAttr is Horizontal.
-   */
-  indeterminate?: boolean
+    /**
+     * If the progress bar will show indeterminate progress.
+     * Note that this can only be false if styleAttr is Horizontal.
+     */
+    indeterminate?: boolean;
 
-  /**
-   * The progress value (between 0 and 1).
-   */
-  progress?: number
+    /**
+     * The progress value (between 0 and 1).
+     */
+    progress?: number;
 
-  /**
-   * Whether to show the ProgressBar (true, the default) or hide it (false).
-   */
-  animating?: boolean
+    /**
+     * Whether to show the ProgressBar (true, the default) or hide it (false).
+     */
+    animating?: boolean;
 
-  /**
-   * Color of the progress bar.
-   */
-  color?: string
+    /**
+     * Color of the progress bar.
+     */
+    color?: string;
 
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
 }
 /**
  * React component that wraps the Android-only `ProgressBar`. This component is used to indicate
  * that the app is loading or there is some activity in the app.
  */
 declare class ProgressBarAndroidComponent extends React.Component<ProgressBarAndroidProps> {}
-declare const ProgressBarAndroidBase: Constructor<NativeMethodsMixin> & typeof ProgressBarAndroidComponent
+declare const ProgressBarAndroidBase: Constructor<NativeMethodsMixin> & typeof ProgressBarAndroidComponent;
 export class ProgressBarAndroid extends ProgressBarAndroidBase {}
 
 /**
@@ -3401,95 +3386,95 @@ export class ProgressBarAndroid extends ProgressBarAndroidBase {}
  * @see ProgressViewIOS.ios.js
  */
 export interface ProgressViewIOSProps extends ViewProps {
-  /**
-   * The progress bar style.
-   */
-  progressViewStyle?: 'default' | 'bar'
-
-  /**
-   * The progress value (between 0 and 1).
-   */
-  progress?: number
-
-  /**
-   * The tint color of the progress bar itself.
-   */
-  progressTintColor?: string
-
-  /**
-   * The tint color of the progress bar track.
-   */
-  trackTintColor?: string
-
-  /**
-   * A stretchable image to display as the progress bar.
-   */
-  progressImage?: ImageURISource | ImageURISource[]
-
-  /**
-   * A stretchable image to display behind the progress bar.
-   */
-  trackImage?: ImageURISource | ImageURISource[]
+    /**
+     * The progress bar style.
+     */
+    progressViewStyle?: "default" | "bar";
+
+    /**
+     * The progress value (between 0 and 1).
+     */
+    progress?: number;
+
+    /**
+     * The tint color of the progress bar itself.
+     */
+    progressTintColor?: string;
+
+    /**
+     * The tint color of the progress bar track.
+     */
+    trackTintColor?: string;
+
+    /**
+     * A stretchable image to display as the progress bar.
+     */
+    progressImage?: ImageURISource | ImageURISource[];
+
+    /**
+     * A stretchable image to display behind the progress bar.
+     */
+    trackImage?: ImageURISource | ImageURISource[];
 }
 declare class ProgressViewIOSComponent extends React.Component<ProgressViewIOSProps> {}
-declare const ProgressViewIOSBase: Constructor<NativeMethodsMixin> & typeof ProgressViewIOSComponent
+declare const ProgressViewIOSBase: Constructor<NativeMethodsMixin> & typeof ProgressViewIOSComponent;
 export class ProgressViewIOS extends ProgressViewIOSBase {}
 
 export interface RefreshControlPropsIOS extends ViewProps {
-  /**
-   * The color of the refresh indicator.
-   */
-  tintColor?: string
+    /**
+     * The color of the refresh indicator.
+     */
+    tintColor?: string;
 
-  /**
-   * The title displayed under the refresh indicator.
-   */
-  title?: string
+    /**
+     * The title displayed under the refresh indicator.
+     */
+    title?: string;
 
-  /**
-   * Title color.
-   */
-  titleColor?: string
+    /**
+     * Title color.
+     */
+    titleColor?: string;
 }
 
 export interface RefreshControlPropsAndroid extends ViewProps {
-  /**
-   * The colors (at least one) that will be used to draw the refresh indicator.
-   */
-  colors?: string[]
+    /**
+     * The colors (at least one) that will be used to draw the refresh indicator.
+     */
+    colors?: string[];
 
-  /**
-   * Whether the pull to refresh functionality is enabled.
-   */
-  enabled?: boolean
+    /**
+     * Whether the pull to refresh functionality is enabled.
+     */
+    enabled?: boolean;
 
-  /**
-   * The background color of the refresh indicator.
-   */
-  progressBackgroundColor?: string
+    /**
+     * The background color of the refresh indicator.
+     */
+    progressBackgroundColor?: string;
 
-  /**
-   * Size of the refresh indicator, see RefreshControl.SIZE.
-   */
-  size?: number
+    /**
+     * Size of the refresh indicator, see RefreshControl.SIZE.
+     */
+    size?: number;
 
-  /**
-   * Progress view top offset
-   * @platform android
-   */
-  progressViewOffset?: number
+    /**
+     * Progress view top offset
+     * @platform android
+     */
+    progressViewOffset?: number;
 }
 
 export interface RefreshControlProps extends RefreshControlPropsIOS, RefreshControlPropsAndroid {
-  /**
-   * Called when the view starts refreshing.
-   */
-  onRefresh?: () => void
+    /**
+     * Called when the view starts refreshing.
+     */
+    onRefresh?: () => void;
 
-  /**
-   * Whether the view should be indicating an active refresh.
-   */
-  refreshing: boolean
+    /**
+     * Whether the view should be indicating an active refresh.
+     */
+    refreshing: boolean;
 }
 
 /**
@@ -3501,9 +3486,9 @@ export interface RefreshControlProps extends RefreshControlPropsIOS, RefreshCont
  * in the `onRefresh` function otherwise the refresh indicator will stop immediately.
  */
 declare class RefreshControlComponent extends React.Component<RefreshControlProps> {}
-declare const RefreshControlBase: Constructor<NativeMethodsMixin> & typeof RefreshControlComponent
+declare const RefreshControlBase: Constructor<NativeMethodsMixin> & typeof RefreshControlComponent;
 export class RefreshControl extends RefreshControlBase {
-  static SIZE: Object // Undocumented
+    static SIZE: Object; // Undocumented
 }
 
 export interface RecyclerViewBackedScrollViewProps extends ScrollViewProps {}
@@ -3522,172 +3507,170 @@ export interface RecyclerViewBackedScrollViewProps extends ScrollViewProps {}
  * use it pass this component as `renderScrollComponent` to the list view. For
  * now only horizontal scrolling is supported.
  */
-declare class RecyclerViewBackedScrollViewComponent extends React.Component<
-  RecyclerViewBackedScrollViewProps
-> {}
+declare class RecyclerViewBackedScrollViewComponent extends React.Component<RecyclerViewBackedScrollViewProps> {}
 declare const RecyclerViewBackedScrollViewBase: Constructor<ScrollResponderMixin> &
-  typeof RecyclerViewBackedScrollViewComponent
+    typeof RecyclerViewBackedScrollViewComponent;
 export class RecyclerViewBackedScrollView extends RecyclerViewBackedScrollViewBase {
-  /**
-   * A helper function to scroll to a specific point  in the scrollview.
-   * This is currently used to help focus on child textviews, but can also
-   * be used to quickly scroll to any element we want to focus. Syntax:
-   *
-   * scrollResponderScrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
-   *
-   * Note: The weird argument signature is due to the fact that, for historical reasons,
-   * the function also accepts separate arguments as as alternative to the options object.
-   * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
-   */
-  scrollTo(y?: number | {x?: number; y?: number; animated?: boolean}, x?: number, animated?: boolean): void
-
-  /**
-   * Returns a reference to the underlying scroll responder, which supports
-   * operations like `scrollTo`. All ScrollView-like components should
-   * implement this method so that they can be composed while providing access
-   * to the underlying scroll responder's methods.
-   */
-  getScrollResponder(): JSX.Element
+    /**
+     * A helper function to scroll to a specific point  in the scrollview.
+     * This is currently used to help focus on child textviews, but can also
+     * be used to quickly scroll to any element we want to focus. Syntax:
+     *
+     * scrollResponderScrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
+     *
+     * Note: The weird argument signature is due to the fact that, for historical reasons,
+     * the function also accepts separate arguments as as alternative to the options object.
+     * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
+     */
+    scrollTo(y?: number | { x?: number; y?: number; animated?: boolean }, x?: number, animated?: boolean): void;
+
+    /**
+     * Returns a reference to the underlying scroll responder, which supports
+     * operations like `scrollTo`. All ScrollView-like components should
+     * implement this method so that they can be composed while providing access
+     * to the underlying scroll responder's methods.
+     */
+    getScrollResponder(): JSX.Element;
 }
 
 export interface SliderPropsAndroid extends ViewProps {
-  /**
-   * Color of the foreground switch grip.
-   */
-  thumbTintColor?: string
+    /**
+     * Color of the foreground switch grip.
+     */
+    thumbTintColor?: string;
 }
 
 export interface SliderPropsIOS extends ViewProps {
-  /**
-   * Assigns a maximum track image. Only static images are supported.
-   * The leftmost pixel of the image will be stretched to fill the track.
-   */
-  maximumTrackImage?: ImageURISource
-
-  /**
-   * Assigns a minimum track image. Only static images are supported.
-   * The rightmost pixel of the image will be stretched to fill the track.
-   */
-  minimumTrackImage?: ImageURISource
-
-  /**
-   * Sets an image for the thumb. Only static images are supported.
-   */
-  thumbImage?: ImageURISource
-
-  /**
-   * Assigns a single image for the track. Only static images
-   * are supported. The center pixel of the image will be stretched
-   * to fill the track.
-   */
-  trackImage?: ImageURISource
+    /**
+     * Assigns a maximum track image. Only static images are supported.
+     * The leftmost pixel of the image will be stretched to fill the track.
+     */
+    maximumTrackImage?: ImageURISource;
+
+    /**
+     * Assigns a minimum track image. Only static images are supported.
+     * The rightmost pixel of the image will be stretched to fill the track.
+     */
+    minimumTrackImage?: ImageURISource;
+
+    /**
+     * Sets an image for the thumb. Only static images are supported.
+     */
+    thumbImage?: ImageURISource;
+
+    /**
+     * Assigns a single image for the track. Only static images
+     * are supported. The center pixel of the image will be stretched
+     * to fill the track.
+     */
+    trackImage?: ImageURISource;
 }
 
 export interface SliderProps extends SliderPropsIOS, SliderPropsAndroid {
-  /**
-   * If true the user won't be able to move the slider.
-   * Default value is false.
-   */
-  disabled?: boolean
-
-  /**
-   * The color used for the track to the right of the button.
-   * Overrides the default blue gradient image.
-   */
-  maximumTrackTintColor?: string
-
-  /**
-   * Initial maximum value of the slider. Default value is 1.
-   */
-  maximumValue?: number
-
-  /**
-   * The color used for the track to the left of the button.
-   * Overrides the default blue gradient image.
-   */
-  minimumTrackTintColor?: string
-
-  /**
-   * Initial minimum value of the slider. Default value is 0.
-   */
-  minimumValue?: number
-
-  /**
-   * Callback called when the user finishes changing the value (e.g. when the slider is released).
-   */
-  onSlidingComplete?: (value: number) => void
-
-  /**
-   * Callback continuously called while the user is dragging the slider.
-   */
-  onValueChange?: (value: number) => void
-
-  /**
-   * Step value of the slider. The value should be between 0 and (maximumValue - minimumValue). Default value is 0.
-   */
-  step?: number
-
-  /**
-   * Used to style and layout the Slider. See StyleSheet.js and ViewStylePropTypes.js for more info.
-   */
-  style?: StyleProp<ViewStyle>
-
-  /**
-   * Used to locate this view in UI automation tests.
-   */
-  testID?: string
-
-  /**
-   * Initial value of the slider. The value should be between minimumValue
-   * and maximumValue, which default to 0 and 1 respectively.
-   * Default value is 0.
-   * This is not a controlled component, you don't need to update
-   * the value during dragging.
-   */
-  value?: number
+    /**
+     * If true the user won't be able to move the slider.
+     * Default value is false.
+     */
+    disabled?: boolean;
+
+    /**
+     * The color used for the track to the right of the button.
+     * Overrides the default blue gradient image.
+     */
+    maximumTrackTintColor?: string;
+
+    /**
+     * Initial maximum value of the slider. Default value is 1.
+     */
+    maximumValue?: number;
+
+    /**
+     * The color used for the track to the left of the button.
+     * Overrides the default blue gradient image.
+     */
+    minimumTrackTintColor?: string;
+
+    /**
+     * Initial minimum value of the slider. Default value is 0.
+     */
+    minimumValue?: number;
+
+    /**
+     * Callback called when the user finishes changing the value (e.g. when the slider is released).
+     */
+    onSlidingComplete?: (value: number) => void;
+
+    /**
+     * Callback continuously called while the user is dragging the slider.
+     */
+    onValueChange?: (value: number) => void;
+
+    /**
+     * Step value of the slider. The value should be between 0 and (maximumValue - minimumValue). Default value is 0.
+     */
+    step?: number;
+
+    /**
+     * Used to style and layout the Slider. See StyleSheet.js and ViewStylePropTypes.js for more info.
+     */
+    style?: StyleProp<ViewStyle>;
+
+    /**
+     * Used to locate this view in UI automation tests.
+     */
+    testID?: string;
+
+    /**
+     * Initial value of the slider. The value should be between minimumValue
+     * and maximumValue, which default to 0 and 1 respectively.
+     * Default value is 0.
+     * This is not a controlled component, you don't need to update
+     * the value during dragging.
+     */
+    value?: number;
 }
 
 /**
  * A component used to select a single value from a range of values.
  */
 declare class SliderComponent extends React.Component<SliderProps> {}
-declare const SliderBase: Constructor<NativeMethodsMixin> & typeof SliderComponent
+declare const SliderBase: Constructor<NativeMethodsMixin> & typeof SliderComponent;
 export class Slider extends SliderBase {}
-export type SliderIOS = Slider
+export type SliderIOS = Slider;
 
 /**
  * https://facebook.github.io/react-native/docs/switchios.html#props
  */
 export interface SwitchIOSProps extends ViewProps {
-  /**
-   * If true the user won't be able to toggle the switch. Default value is false.
-   */
-  disabled?: boolean
+    /**
+     * If true the user won't be able to toggle the switch. Default value is false.
+     */
+    disabled?: boolean;
 
-  /**
-   * Background color when the switch is turned on.
-   */
-  onTintColor?: string
+    /**
+     * Background color when the switch is turned on.
+     */
+    onTintColor?: string;
 
-  /**
-   * Callback that is called when the user toggles the switch.
-   */
-  onValueChange?: (value: boolean) => void
+    /**
+     * Callback that is called when the user toggles the switch.
+     */
+    onValueChange?: (value: boolean) => void;
 
-  /**
-   * Background color for the switch round button.
-   */
-  thumbTintColor?: string
+    /**
+     * Background color for the switch round button.
+     */
+    thumbTintColor?: string;
 
-  /**
-   * Background color when the switch is turned off.
-   */
-  tintColor?: string
+    /**
+     * Background color when the switch is turned off.
+     */
+    tintColor?: string;
 
-  /**
-   * The value of the switch, if true the switch will be turned on. Default value is false.
-   */
-  value?: boolean
+    /**
+     * The value of the switch, if true the switch will be turned on. Default value is false.
+     */
+    value?: boolean;
 }
 
 /**
@@ -3701,47 +3684,47 @@ export interface SwitchIOSProps extends ViewProps {
  */
 export class SwitchIOS extends React.Component<SwitchIOSProps> {}
 
-export type ImageResizeMode = 'cover' | 'contain' | 'stretch' | 'repeat' | 'center'
+export type ImageResizeMode = "cover" | "contain" | "stretch" | "repeat" | "center";
 
 /**
  * @see ImageResizeMode.js
  */
 export interface ImageResizeModeStatic {
-  /**
-   * contain - The image will be resized such that it will be completely
-   * visible, contained within the frame of the View.
-   */
-  contain: ImageResizeMode
-  /**
-   * cover - The image will be resized such that the entire area of the view
-   * is covered by the image, potentially clipping parts of the image.
-   */
-  cover: ImageResizeMode
-  /**
-   * stretch - The image will be stretched to fill the entire frame of the
-   * view without clipping.  This may change the aspect ratio of the image,
-   * distoring it.  Only supported on iOS.
-   */
-  stretch: ImageResizeMode
-  /**
-   * center - The image will be scaled down such that it is completely visible,
-   * if bigger than the area of the view.
-   * The image will not be scaled up.
-   */
-  center: ImageResizeMode
-
-  /**
-   * repeat - The image will be repeated to cover the frame of the View. The
-   * image will keep it's size and aspect ratio.
-   */
-  repeat: ImageResizeMode
+    /**
+     * contain - The image will be resized such that it will be completely
+     * visible, contained within the frame of the View.
+     */
+    contain: ImageResizeMode;
+    /**
+     * cover - The image will be resized such that the entire area of the view
+     * is covered by the image, potentially clipping parts of the image.
+     */
+    cover: ImageResizeMode;
+    /**
+     * stretch - The image will be stretched to fill the entire frame of the
+     * view without clipping.  This may change the aspect ratio of the image,
+     * distoring it.  Only supported on iOS.
+     */
+    stretch: ImageResizeMode;
+    /**
+     * center - The image will be scaled down such that it is completely visible,
+     * if bigger than the area of the view.
+     * The image will not be scaled up.
+     */
+    center: ImageResizeMode;
+
+    /**
+     * repeat - The image will be repeated to cover the frame of the View. The
+     * image will keep it's size and aspect ratio.
+     */
+    repeat: ImageResizeMode;
 }
 
 export interface ShadowStyleIOS {
-  shadowColor?: string
-  shadowOffset?: {width: number; height: number}
-  shadowOpacity?: number
-  shadowRadius?: number
+    shadowColor?: string;
+    shadowOffset?: { width: number; height: number };
+    shadowOpacity?: number;
+    shadowRadius?: number;
 }
 
 /**
@@ -3750,3001 +3733,2998 @@ export interface ShadowStyleIOS {
  * @see https://github.com/facebook/react-native/blob/master/Libraries/Image/ImageStylePropTypes.js
  */
 export interface ImageStyle extends FlexStyle, ShadowStyleIOS, TransformsStyle {
-  resizeMode?: ImageResizeMode
-  backfaceVisibility?: 'visible' | 'hidden'
-  borderBottomLeftRadius?: number
-  borderBottomRightRadius?: number
-  backgroundColor?: string
-  borderColor?: string
-  borderWidth?: number
-  borderRadius?: number
-  borderTopLeftRadius?: number
-  borderTopRightRadius?: number
-  overflow?: 'visible' | 'hidden'
-  overlayColor?: string
-  tintColor?: string
-  opacity?: number
+    resizeMode?: ImageResizeMode;
+    backfaceVisibility?: "visible" | "hidden";
+    borderBottomLeftRadius?: number;
+    borderBottomRightRadius?: number;
+    backgroundColor?: string;
+    borderColor?: string;
+    borderWidth?: number;
+    borderRadius?: number;
+    borderTopLeftRadius?: number;
+    borderTopRightRadius?: number;
+    overflow?: "visible" | "hidden";
+    overlayColor?: string;
+    tintColor?: string;
+    opacity?: number;
 }
 
 /*
  * @see https://github.com/facebook/react-native/blob/master/Libraries/Image/ImageSourcePropType.js
  */
 export interface ImageURISource {
-  /**
-   * `uri` is a string representing the resource identifier for the image, which
-   * could be an http address, a local file path, or the name of a static image
-   * resource (which should be wrapped in the `require('./path/to/image.png')`
-   * function).
-   */
-  uri?: string
-  /**
-   * `bundle` is the iOS asset bundle which the image is included in. This
-   * will default to [NSBundle mainBundle] if not set.
-   * @platform ios
-   */
-  bundle?: string
-  /**
-   * `method` is the HTTP Method to use. Defaults to GET if not specified.
-   */
-  method?: string
-  /**
-   * `headers` is an object representing the HTTP headers to send along with the
-   * request for a remote image.
-   */
-  headers?: {[key: string]: string}
-  /**
-   * `cache` determines how the requests handles potentially cached
-   * responses.
-   *
-   * - `default`: Use the native platforms default strategy. `useProtocolCachePolicy` on iOS.
-   *
-   * - `reload`: The data for the URL will be loaded from the originating source.
-   * No existing cache data should be used to satisfy a URL load request.
-   *
-   * - `force-cache`: The existing cached data will be used to satisfy the request,
-   * regardless of its age or expiration date. If there is no existing data in the cache
-   * corresponding the request, the data is loaded from the originating source.
-   *
-   * - `only-if-cached`: The existing cache data will be used to satisfy a request, regardless of
-   * its age or expiration date. If there is no existing data in the cache corresponding
-   * to a URL load request, no attempt is made to load the data from the originating source,
-   * and the load is considered to have failed.
-   *
-   * @platform ios
-   */
-  cache?: 'default' | 'reload' | 'force-cache' | 'only-if-cached'
-  /**
-   * `body` is the HTTP body to send with the request. This must be a valid
-   * UTF-8 string, and will be sent exactly as specified, with no
-   * additional encoding (e.g. URL-escaping or base64) applied.
-   */
-  body?: string
-  /**
-   * `width` and `height` can be specified if known at build time, in which case
-   * these will be used to set the default `<Image/>` component dimensions.
-   */
-  width?: number
-  height?: number
-  /**
-   * `scale` is used to indicate the scale factor of the image. Defaults to 1.0 if
-   * unspecified, meaning that one image pixel equates to one display point / DIP.
-   */
-  scale?: number
-}
-
-export type ImageRequireSource = number
+    /**
+     * `uri` is a string representing the resource identifier for the image, which
+     * could be an http address, a local file path, or the name of a static image
+     * resource (which should be wrapped in the `require('./path/to/image.png')`
+     * function).
+     */
+    uri?: string;
+    /**
+     * `bundle` is the iOS asset bundle which the image is included in. This
+     * will default to [NSBundle mainBundle] if not set.
+     * @platform ios
+     */
+    bundle?: string;
+    /**
+     * `method` is the HTTP Method to use. Defaults to GET if not specified.
+     */
+    method?: string;
+    /**
+     * `headers` is an object representing the HTTP headers to send along with the
+     * request for a remote image.
+     */
+    headers?: { [key: string]: string };
+    /**
+     * `cache` determines how the requests handles potentially cached
+     * responses.
+     *
+     * - `default`: Use the native platforms default strategy. `useProtocolCachePolicy` on iOS.
+     *
+     * - `reload`: The data for the URL will be loaded from the originating source.
+     * No existing cache data should be used to satisfy a URL load request.
+     *
+     * - `force-cache`: The existing cached data will be used to satisfy the request,
+     * regardless of its age or expiration date. If there is no existing data in the cache
+     * corresponding the request, the data is loaded from the originating source.
+     *
+     * - `only-if-cached`: The existing cache data will be used to satisfy a request, regardless of
+     * its age or expiration date. If there is no existing data in the cache corresponding
+     * to a URL load request, no attempt is made to load the data from the originating source,
+     * and the load is considered to have failed.
+     *
+     * @platform ios
+     */
+    cache?: "default" | "reload" | "force-cache" | "only-if-cached";
+    /**
+     * `body` is the HTTP body to send with the request. This must be a valid
+     * UTF-8 string, and will be sent exactly as specified, with no
+     * additional encoding (e.g. URL-escaping or base64) applied.
+     */
+    body?: string;
+    /**
+     * `width` and `height` can be specified if known at build time, in which case
+     * these will be used to set the default `<Image/>` component dimensions.
+     */
+    width?: number;
+    height?: number;
+    /**
+     * `scale` is used to indicate the scale factor of the image. Defaults to 1.0 if
+     * unspecified, meaning that one image pixel equates to one display point / DIP.
+     */
+    scale?: number;
+}
+
+export type ImageRequireSource = number;
 
 /**
  * @see ImagePropsIOS.onProgress
  */
 export interface ImageProgressEventDataIOS {
-  loaded: number
-  total: number
+    loaded: number;
+    total: number;
 }
 
 export interface ImagePropsIOS {
-  /**
-   * blurRadius: the blur radius of the blur filter added to the image
-   * @platform ios
-   */
-  blurRadius?: number
-
-  /**
-   * When the image is resized, the corners of the size specified by capInsets will stay a fixed size,
-   * but the center content and borders of the image will be stretched.
-   * This is useful for creating resizable rounded buttons, shadows, and other resizable assets.
-   * More info on Apple documentation
-   */
-  capInsets?: Insets
-
-  /**
-   * Invoked on download progress with {nativeEvent: {loaded, total}}
-   */
-  onProgress?: (event: NativeSyntheticEvent<ImageProgressEventDataIOS>) => void
-
-  /**
-   * Invoked when a partial load of the image is complete. The definition of
-   * what constitutes a "partial load" is loader specific though this is meant
-   * for progressive JPEG loads.
-   * @platform ios
-   */
-  onPartialLoad?: () => void
+    /**
+     * blurRadius: the blur radius of the blur filter added to the image
+     * @platform ios
+     */
+    blurRadius?: number;
+
+    /**
+     * When the image is resized, the corners of the size specified by capInsets will stay a fixed size,
+     * but the center content and borders of the image will be stretched.
+     * This is useful for creating resizable rounded buttons, shadows, and other resizable assets.
+     * More info on Apple documentation
+     */
+    capInsets?: Insets;
+
+    /**
+     * Invoked on download progress with {nativeEvent: {loaded, total}}
+     */
+    onProgress?: (event: NativeSyntheticEvent<ImageProgressEventDataIOS>) => void;
+
+    /**
+     * Invoked when a partial load of the image is complete. The definition of
+     * what constitutes a "partial load" is loader specific though this is meant
+     * for progressive JPEG loads.
+     * @platform ios
+     */
+    onPartialLoad?: () => void;
 }
 
 interface ImagePropsAndroid {
-  /**
-   * The mechanism that should be used to resize the image when the image's dimensions
-   * differ from the image view's dimensions. Defaults to auto.
-   *
-   * 'auto': Use heuristics to pick between resize and scale.
-   *
-   * 'resize': A software operation which changes the encoded image in memory before it gets decoded.
-   * This should be used instead of scale when the image is much larger than the view.
-   *
-   * 'scale': The image gets drawn downscaled or upscaled. Compared to resize, scale is faster (usually hardware accelerated)
-   * and produces higher quality images. This should be used if the image is smaller than the view.
-   * It should also be used if the image is slightly bigger than the view.
-   */
-  resizeMethod?: 'auto' | 'resize' | 'scale'
-
-  /**
-   * Duration of fade in animation.
-   */
-  fadeDuration?: number
-
-  /**
-   * Required if loading images via 'uri' from drawable folder on Android.
-   * Explanation: https://medium.com/@adamjacobb/react-native-performance-images-adf5843e120
-   */
-  width?: number
-
-  /**
-   * Required if loading images via 'uri' from drawable folder on Android
-   * Explanation: https://medium.com/@adamjacobb/react-native-performance-images-adf5843e120
-   */
-  height?: number
+    /**
+     * The mechanism that should be used to resize the image when the image's dimensions
+     * differ from the image view's dimensions. Defaults to auto.
+     *
+     * 'auto': Use heuristics to pick between resize and scale.
+     *
+     * 'resize': A software operation which changes the encoded image in memory before it gets decoded.
+     * This should be used instead of scale when the image is much larger than the view.
+     *
+     * 'scale': The image gets drawn downscaled or upscaled. Compared to resize, scale is faster (usually hardware accelerated)
+     * and produces higher quality images. This should be used if the image is smaller than the view.
+     * It should also be used if the image is slightly bigger than the view.
+     */
+    resizeMethod?: "auto" | "resize" | "scale";
+
+    /**
+     * Duration of fade in animation in ms. Defaults to 300
+     *
+     * @platform android
+     */
+    fadeDuration?: number;
+
+    /**
+     * Required if loading images via 'uri' from drawable folder on Android.
+     * Explanation: https://medium.com/@adamjacobb/react-native-performance-images-adf5843e120
+     */
+    width?: number;
+
+    /**
+     * Required if loading images via 'uri' from drawable folder on Android
+     * Explanation: https://medium.com/@adamjacobb/react-native-performance-images-adf5843e120
+     */
+    height?: number;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/image.html#source
  */
-export type ImageSourcePropType = ImageURISource | ImageURISource[] | ImageRequireSource
+export type ImageSourcePropType = ImageURISource | ImageURISource[] | ImageRequireSource;
 
 /**
  * @see ImagePropsBase.onLoad
  */
 export interface ImageLoadEventDataAndroid {
-  uri?: string
+    uri?: string;
 }
 
 export interface ImageLoadEventData extends ImageLoadEventDataAndroid {
-  source: {
-    height: number
-    width: number
-    url: string
-  }
+    source: {
+        height: number;
+        width: number;
+        url: string;
+    };
 }
 
 export interface ImageErrorEventData {
-  error: any
+    error: any;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/image.html#resolveassetsource
  */
 export interface ImageResolvedAssetSource {
-  height: number
-  width: number
-  scale: number
-  uri: string
+    height: number;
+    width: number;
+    scale: number;
+    uri: string;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/image.html
  */
 export interface ImagePropsBase extends ImagePropsIOS, ImagePropsAndroid, AccessibilityProps {
-  /**
-   * onLayout function
-   *
-   * Invoked on mount and layout changes with
-   *
-   * {nativeEvent: { layout: {x, y, width, height} }}.
-   */
-  onLayout?: (event: LayoutChangeEvent) => void
-
-  /**
-   * Invoked on load error with {nativeEvent: {error}}
-   */
-  onError?: (error: NativeSyntheticEvent<ImageErrorEventData>) => void
-
-  /**
-   * Invoked when load completes successfully
-   * { source: { url, height, width } }.
-   */
-  onLoad?: (event: NativeSyntheticEvent<ImageLoadEventData>) => void
-
-  /**
-   * Invoked when load either succeeds or fails
-   */
-  onLoadEnd?: () => void
-
-  /**
-   * Invoked on load start
-   */
-  onLoadStart?: () => void
-
-  progressiveRenderingEnabled?: boolean
-
-  borderRadius?: number
-
-  borderTopLeftRadius?: number
-
-  borderTopRightRadius?: number
-
-  borderBottomLeftRadius?: number
-
-  borderBottomRightRadius?: number
-
-  /**
-   * Determines how to resize the image when the frame doesn't match the raw
-   * image dimensions.
-   *
-   * 'cover': Scale the image uniformly (maintain the image's aspect ratio)
-   * so that both dimensions (width and height) of the image will be equal
-   * to or larger than the corresponding dimension of the view (minus padding).
-   *
-   * 'contain': Scale the image uniformly (maintain the image's aspect ratio)
-   * so that both dimensions (width and height) of the image will be equal to
-   * or less than the corresponding dimension of the view (minus padding).
-   *
-   * 'stretch': Scale width and height independently, This may change the
-   * aspect ratio of the src.
-   *
-   * 'repeat': Repeat the image to cover the frame of the view.
-   * The image will keep it's size and aspect ratio. (iOS only)
-   *
-   * 'center': Scale the image down so that it is completely visible,
-   * if bigger than the area of the view.
-   * The image will not be scaled up.
-   */
-  resizeMode?: ImageResizeMode
-
-  /**
-   * The mechanism that should be used to resize the image when the image's dimensions
-   * differ from the image view's dimensions. Defaults to `auto`.
-   *
-   * - `auto`: Use heuristics to pick between `resize` and `scale`.
-   *
-   * - `resize`: A software operation which changes the encoded image in memory before it
-   * gets decoded. This should be used instead of `scale` when the image is much larger
-   * than the view.
-   *
-   * - `scale`: The image gets drawn downscaled or upscaled. Compared to `resize`, `scale` is
-   * faster (usually hardware accelerated) and produces higher quality images. This
-   * should be used if the image is smaller than the view. It should also be used if the
-   * image is slightly bigger than the view.
-   *
-   * More details about `resize` and `scale` can be found at http://frescolib.org/docs/resizing-rotating.html.
-   *
-   * @platform android
-   */
-  resizeMethod?: 'auto' | 'resize' | 'scale'
-
-  /**
-   * The image source (either a remote URL or a local file resource).
-   *
-   * This prop can also contain several remote URLs, specified together with their width and height and potentially with scale/other URI arguments.
-   * The native side will then choose the best uri to display based on the measured size of the image container.
-   * A cache property can be added to control how networked request interacts with the local cache.
-   *
-   * The currently supported formats are png, jpg, jpeg, bmp, gif, webp (Android only), psd (iOS only).
-   */
-  source: ImageSourcePropType
-
-  /**
-   * similarly to `source`, this property represents the resource used to render
-   * the loading indicator for the image, displayed until image is ready to be
-   * displayed, typically after when it got downloaded from network.
-   */
-  loadingIndicatorSource?: ImageURISource
-
-  /**
-   * A unique identifier for this element to be used in UI Automation testing scripts.
-   */
-  testID?: string
-
-  /**
-   * A static image to display while downloading the final image off the network.
-   */
-  defaultSource?: ImageURISource | number
-}
+    /**
+     * onLayout function
+     *
+     * Invoked on mount and layout changes with
+     *
+     * {nativeEvent: { layout: {x, y, width, height} }}.
+     */
+    onLayout?: (event: LayoutChangeEvent) => void;
 
-export interface ImageProps extends ImagePropsBase {
-  /**
-   *
-   * Style
-   */
-  style?: StyleProp<ImageStyle>
-}
+    /**
+     * Invoked on load error with {nativeEvent: {error}}
+     */
+    onError?: (error: NativeSyntheticEvent<ImageErrorEventData>) => void;
 
-declare class ImageComponent extends React.Component<ImageProps> {}
-declare const ImageBase: Constructor<NativeMethodsMixin> & typeof ImageComponent
-export class Image extends ImageBase {
-  static getSize(
-    uri: string,
-    success: (width: number, height: number) => void,
-    failure: (error: any) => void
-  ): any
-  static prefetch(url: string): any
-  static abortPrefetch?(requestId: number): void
-  static queryCache?(urls: string[]): Promise<{[url: string]: 'memory' | 'disk' | 'disk/memory'}>
+    /**
+     * Invoked when load completes successfully
+     * { source: { url, height, width } }.
+     */
+    onLoad?: (event: NativeSyntheticEvent<ImageLoadEventData>) => void;
 
-  /**
-   * @see https://facebook.github.io/react-native/docs/image.html#resolveassetsource
-   */
-  static resolveAssetSource(source: ImageSourcePropType): ImageResolvedAssetSource
-}
+    /**
+     * Invoked when load either succeeds or fails
+     */
+    onLoadEnd?: () => void;
 
-export interface ImageBackgroundProps extends ImagePropsBase {
-  imageStyle?: StyleProp<ImageStyle>
-  style?: StyleProp<ViewStyle>
-  imageRef?(image: Image): void
-}
+    /**
+     * Invoked on load start
+     */
+    onLoadStart?: () => void;
 
-declare class ImageBackgroundComponent extends React.Component<ImageBackgroundProps> {}
-declare const ImageBackgroundBase: Constructor<NativeMethodsMixin> & typeof ImageBackgroundComponent
-export class ImageBackground extends ImageBackgroundBase {
-  resizeMode: ImageResizeMode
-  getSize(uri: string, success: (width: number, height: number) => void, failure: (error: any) => void): any
-  prefetch(url: string): any
-  abortPrefetch?(requestId: number): void
-  queryCache?(urls: string[]): Promise<{[url: string]: 'memory' | 'disk' | 'disk/memory'}>
-}
+    progressiveRenderingEnabled?: boolean;
 
-export interface ViewToken {
-  item: any
-  key: string
-  index: number | null
-  isViewable: boolean
-  section?: any
+    borderRadius?: number;
+
+    borderTopLeftRadius?: number;
+
+    borderTopRightRadius?: number;
+
+    borderBottomLeftRadius?: number;
+
+    borderBottomRightRadius?: number;
+
+    /**
+     * Determines how to resize the image when the frame doesn't match the raw
+     * image dimensions.
+     *
+     * 'cover': Scale the image uniformly (maintain the image's aspect ratio)
+     * so that both dimensions (width and height) of the image will be equal
+     * to or larger than the corresponding dimension of the view (minus padding).
+     *
+     * 'contain': Scale the image uniformly (maintain the image's aspect ratio)
+     * so that both dimensions (width and height) of the image will be equal to
+     * or less than the corresponding dimension of the view (minus padding).
+     *
+     * 'stretch': Scale width and height independently, This may change the
+     * aspect ratio of the src.
+     *
+     * 'repeat': Repeat the image to cover the frame of the view.
+     * The image will keep it's size and aspect ratio. (iOS only)
+     *
+     * 'center': Scale the image down so that it is completely visible,
+     * if bigger than the area of the view.
+     * The image will not be scaled up.
+     */
+    resizeMode?: ImageResizeMode;
+
+    /**
+     * The mechanism that should be used to resize the image when the image's dimensions
+     * differ from the image view's dimensions. Defaults to `auto`.
+     *
+     * - `auto`: Use heuristics to pick between `resize` and `scale`.
+     *
+     * - `resize`: A software operation which changes the encoded image in memory before it
+     * gets decoded. This should be used instead of `scale` when the image is much larger
+     * than the view.
+     *
+     * - `scale`: The image gets drawn downscaled or upscaled. Compared to `resize`, `scale` is
+     * faster (usually hardware accelerated) and produces higher quality images. This
+     * should be used if the image is smaller than the view. It should also be used if the
+     * image is slightly bigger than the view.
+     *
+     * More details about `resize` and `scale` can be found at http://frescolib.org/docs/resizing-rotating.html.
+     *
+     * @platform android
+     */
+    resizeMethod?: "auto" | "resize" | "scale";
+
+    /**
+     * The image source (either a remote URL or a local file resource).
+     *
+     * This prop can also contain several remote URLs, specified together with their width and height and potentially with scale/other URI arguments.
+     * The native side will then choose the best uri to display based on the measured size of the image container.
+     * A cache property can be added to control how networked request interacts with the local cache.
+     *
+     * The currently supported formats are png, jpg, jpeg, bmp, gif, webp (Android only), psd (iOS only).
+     */
+    source: ImageSourcePropType;
+
+    /**
+     * similarly to `source`, this property represents the resource used to render
+     * the loading indicator for the image, displayed until image is ready to be
+     * displayed, typically after when it got downloaded from network.
+     */
+    loadingIndicatorSource?: ImageURISource;
+
+    /**
+     * A unique identifier for this element to be used in UI Automation testing scripts.
+     */
+    testID?: string;
+
+    /**
+     * A static image to display while downloading the final image off the network.
+     */
+    defaultSource?: ImageURISource | number;
+}
+
+export interface ImageProps extends ImagePropsBase {
+    /**
+     *
+     * Style
+     */
+    style?: StyleProp<ImageStyle>;
+}
+
+declare class ImageComponent extends React.Component<ImageProps> {}
+declare const ImageBase: Constructor<NativeMethodsMixin> & typeof ImageComponent;
+export class Image extends ImageBase {
+    static getSize(uri: string, success: (width: number, height: number) => void, failure: (error: any) => void): any;
+    static prefetch(url: string): any;
+    static abortPrefetch?(requestId: number): void;
+    static queryCache?(urls: string[]): Promise<{[url: string]: "memory" | "disk" | "disk/memory"}>;
+
+    /**
+     * @see https://facebook.github.io/react-native/docs/image.html#resolveassetsource
+     */
+    static resolveAssetSource(source: ImageSourcePropType): ImageResolvedAssetSource;
+}
+
+export interface ImageBackgroundProps extends ImagePropsBase {
+    imageStyle?: StyleProp<ImageStyle>;
+    style?: StyleProp<ViewStyle>;
+    imageRef?(image: Image): void;
+}
+
+declare class ImageBackgroundComponent extends React.Component<ImageBackgroundProps> {}
+declare const ImageBackgroundBase: Constructor<NativeMethodsMixin> & typeof ImageBackgroundComponent;
+export class ImageBackground extends ImageBackgroundBase {
+    resizeMode: ImageResizeMode;
+    getSize(uri: string, success: (width: number, height: number) => void, failure: (error: any) => void): any;
+    prefetch(url: string): any;
+    abortPrefetch?(requestId: number): void;
+    queryCache?(urls: string[]): Promise<{[url: string]: "memory" | "disk" | "disk/memory"}>;
+}
+
+export interface ViewToken {
+    item: any;
+    key: string;
+    index: number | null;
+    isViewable: boolean;
+    section?: any;
 }
 
 export interface ViewabilityConfig {
-  /**
-   * Minimum amount of time (in milliseconds) that an item must be physically viewable before the
-   * viewability callback will be fired. A high number means that scrolling through content without
-   * stopping will not mark the content as viewable.
-   */
-  minimumViewTime?: number
-
-  /**
-   * Percent of viewport that must be covered for a partially occluded item to count as
-   * "viewable", 0-100. Fully visible items are always considered viewable. A value of 0 means
-   * that a single pixel in the viewport makes the item viewable, and a value of 100 means that
-   * an item must be either entirely visible or cover the entire viewport to count as viewable.
-   */
-  viewAreaCoveragePercentThreshold?: number
-
-  /**
-   * Similar to `viewAreaCoveragePercentThreshold`, but considers the percent of the item that is visible,
-   * rather than the fraction of the viewable area it covers.
-   */
-  itemVisiblePercentThreshold?: number
-
-  /**
-   * Nothing is considered viewable until the user scrolls or `recordInteraction` is called after
-   * render.
-   */
-  waitForInteraction?: boolean
+    /**
+     * Minimum amount of time (in milliseconds) that an item must be physically viewable before the
+     * viewability callback will be fired. A high number means that scrolling through content without
+     * stopping will not mark the content as viewable.
+     */
+    minimumViewTime?: number;
+
+    /**
+     * Percent of viewport that must be covered for a partially occluded item to count as
+     * "viewable", 0-100. Fully visible items are always considered viewable. A value of 0 means
+     * that a single pixel in the viewport makes the item viewable, and a value of 100 means that
+     * an item must be either entirely visible or cover the entire viewport to count as viewable.
+     */
+    viewAreaCoveragePercentThreshold?: number;
+
+    /**
+     * Similar to `viewAreaCoveragePercentThreshold`, but considers the percent of the item that is visible,
+     * rather than the fraction of the viewable area it covers.
+     */
+    itemVisiblePercentThreshold?: number;
+
+    /**
+     * Nothing is considered viewable until the user scrolls or `recordInteraction` is called after
+     * render.
+     */
+    waitForInteraction?: boolean;
 }
 
 export interface ViewabilityConfigCallbackPair {
-  viewabilityConfig: ViewabilityConfig
-  onViewableItemsChanged:
-    | ((info: {viewableItems: Array<ViewToken>; changed: Array<ViewToken>}) => void)
-    | null
+    viewabilityConfig: ViewabilityConfig;
+    onViewableItemsChanged: ((info: { viewableItems: Array<ViewToken>; changed: Array<ViewToken> }) => void) | null;
 }
 
-export type ViewabilityConfigCallbackPairs = ViewabilityConfigCallbackPair[]
+export type ViewabilityConfigCallbackPairs = ViewabilityConfigCallbackPair[];
 
 /**
  * @see https://facebook.github.io/react-native/docs/flatlist.html#props
  */
 
 export interface ListRenderItemInfo<ItemT> {
-  item: ItemT
+    item: ItemT;
 
-  index: number
+    index: number;
 
-  separators: {
-    highlight: () => void
-    unhighlight: () => void
-    updateProps: (select: 'leading' | 'trailing', newProps: any) => void
-  }
+    separators: {
+        highlight: () => void;
+        unhighlight: () => void;
+        updateProps: (select: "leading" | "trailing", newProps: any) => void;
+    };
 }
 
-export type ListRenderItem<ItemT> = (info: ListRenderItemInfo<ItemT>) => React.ReactElement | null
+export type ListRenderItem<ItemT> = (info: ListRenderItemInfo<ItemT>) => React.ReactElement | null;
 
 export interface FlatListProps<ItemT> extends VirtualizedListProps<ItemT> {
-  /**
-   * Rendered in between each item, but not at the top or bottom
-   */
-  ItemSeparatorComponent?: React.ComponentType<any> | null
-
-  /**
-   * Rendered when the list is empty.
-   */
-  ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the very end of the list.
-   */
-  ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the very beginning of the list.
-   */
-  ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Optional custom style for multi-item rows generated when numColumns > 1
-   */
-  columnWrapperStyle?: StyleProp<ViewStyle>
-
-  /**
-   * Determines when the keyboard should stay visible after a tap.
-   * - 'never' (the default), tapping outside of the focused text input when the keyboard is up dismisses the keyboard. When this happens, children won't receive the tap.
-   * - 'always', the keyboard will not dismiss automatically, and the scroll view will not catch taps, but children of the scroll view can catch taps.
-   * - 'handled', the keyboard will not dismiss automatically when the tap was handled by a children, (or captured by an ancestor).
-   * - false, deprecated, use 'never' instead
-   * - true, deprecated, use 'always' instead
-   */
-  keyboardShouldPersistTaps?: boolean | 'always' | 'never' | 'handled'
-
-  /**
-   * For simplicity, data is just a plain array. If you want to use something else,
-   * like an immutable list, use the underlying VirtualizedList directly.
-   */
-  data: ReadonlyArray<ItemT> | null
-
-  /**
-   * A marker property for telling the list to re-render (since it implements PureComponent).
-   * If any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the `data` prop,
-   * stick it here and treat it immutably.
-   */
-  extraData?: any
-
-  /**
-   * `getItemLayout` is an optional optimization that lets us skip measurement of dynamic
-   * content if you know the height of items a priori. getItemLayout is the most efficient,
-   * and is easy to use if you have fixed height items, for example:
-   * ```
-   * getItemLayout={(data, index) => (
-   *   {length: ITEM_HEIGHT, offset: ITEM_HEIGHT * index, index}
-   * )}
-   * ```
-   * Remember to include separator length (height or width) in your offset calculation if you specify
-   * `ItemSeparatorComponent`.
-   */
-  getItemLayout?: (
-    data: Array<ItemT> | null,
-    index: number
-  ) => {length: number; offset: number; index: number}
-
-  /**
-   * If true, renders items next to each other horizontally instead of stacked vertically.
-   */
-  horizontal?: boolean
-
-  /**
-   * How many items to render in the initial batch
-   */
-  initialNumToRender?: number
-
-  /**
-   * Instead of starting at the top with the first item, start at initialScrollIndex
-   */
-  initialScrollIndex?: number
-
-  /**
-   * Used to extract a unique key for a given item at the specified index. Key is used for caching
-   * and as the react key to track item re-ordering. The default extractor checks `item.key`, then
-   * falls back to using the index, like React does.
-   */
-  keyExtractor?: (item: ItemT, index: number) => string
-
-  /**
-   * Uses legacy MetroListView instead of default VirtualizedSectionList
-   */
-  legacyImplementation?: boolean
-
-  /**
-   * Multiple columns can only be rendered with `horizontal={false}` and will zig-zag like a `flexWrap` layout.
-   * Items should all be the same height - masonry layouts are not supported.
-   */
-  numColumns?: number
-
-  /**
-   * Called once when the scroll position gets within onEndReachedThreshold of the rendered content.
-   */
-  onEndReached?: ((info: {distanceFromEnd: number}) => void) | null
-
-  /**
-   * How far from the end (in units of visible length of the list) the bottom edge of the
-   * list must be from the end of the content to trigger the `onEndReached` callback.
-   * Thus a value of 0.5 will trigger `onEndReached` when the end of the content is
-   * within half the visible length of the list.
-   */
-  onEndReachedThreshold?: number | null
-
-  /**
-   * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality.
-   * Make sure to also set the refreshing prop correctly.
-   */
-  onRefresh?: (() => void) | null
-
-  /**
-   * Called when the viewability of rows changes, as defined by the `viewablePercentThreshold` prop.
-   */
-  onViewableItemsChanged?:
-    | ((info: {viewableItems: Array<ViewToken>; changed: Array<ViewToken>}) => void)
-    | null
-
-  /**
-   * Set this true while waiting for new data from a refresh.
-   */
-  refreshing?: boolean | null
-
-  /**
-   * Takes an item from data and renders it into the list. Typical usage:
-   * ```
-   * _renderItem = ({item}) => (
-   *   <TouchableOpacity onPress={() => this._onPress(item)}>
-   *     <Text>{item.title}</Text>
-   *   <TouchableOpacity/>
-   * );
-   * ...
-   * <FlatList data={[{title: 'Title Text', key: 'item1'}]} renderItem={this._renderItem} />
-   * ```
-   * Provides additional metadata like `index` if you need it.
-   */
-  renderItem: ListRenderItem<ItemT>
-
-  /**
-   * See `ViewabilityHelper` for flow type and further documentation.
-   */
-  viewabilityConfig?: any
-
-  /**
-   * Note: may have bugs (missing content) in some circumstances - use at your own risk.
-   *
-   * This may improve scroll performance for large lists.
-   */
-  removeClippedSubviews?: boolean
-}
+    /**
+     * Rendered in between each item, but not at the top or bottom
+     */
+    ItemSeparatorComponent?: React.ComponentType<any> | null;
 
-export class FlatList<ItemT> extends React.Component<FlatListProps<ItemT>> {
-  /**
-   * Exports some data, e.g. for perf investigations or analytics.
-   */
-  getMetrics: () => {
-    contentLength: number
-    totalRows: number
-    renderedRows: number
-    visibleRows: number
-  }
-
-  /**
-   * Scrolls to the end of the content. May be janky without `getItemLayout` prop.
-   */
-  scrollToEnd: (params?: {animated?: boolean}) => void
-
-  /**
-   * Scrolls to the item at the specified index such that it is positioned in the viewable area
-   * such that viewPosition 0 places it at the top, 1 at the bottom, and 0.5 centered in the middle.
-   * Cannot scroll to locations outside the render window without specifying the getItemLayout prop.
-   */
-  scrollToIndex: (params: {
-    animated?: boolean
-    index: number
-    viewOffset?: number
-    viewPosition?: number
-  }) => void
-
-  /**
-   * Requires linear scan through data - use `scrollToIndex` instead if possible.
-   * May be janky without `getItemLayout` prop.
-   */
-  scrollToItem: (params: {animated?: boolean; item: ItemT; viewPosition?: number}) => void
-
-  /**
-   * Scroll to a specific content pixel offset, like a normal `ScrollView`.
-   */
-  scrollToOffset: (params: {animated?: boolean; offset: number}) => void
-
-  /**
-   * Tells the list an interaction has occured, which should trigger viewability calculations,
-   * e.g. if waitForInteractions is true and the user has not scrolled. This is typically called
-   * by taps on items or by navigation actions.
-   */
-  recordInteraction: () => void
-
-  /**
-   * Displays the scroll indicators momentarily.
-   */
-  flashScrollIndicators: () => void
-}
+    /**
+     * Rendered when the list is empty.
+     */
+    ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-/**
- * @see https://facebook.github.io/react-native/docs/sectionlist.html
- */
-export interface SectionBase<ItemT> {
-  data: ReadonlyArray<ItemT>
+    /**
+     * Rendered at the very end of the list.
+     */
+    ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-  key?: string
+    /**
+     * Styling for internal View for ListFooterComponent
+     */
+    ListFooterComponentStyle?: ViewStyle | null;
 
-  renderItem?: SectionListRenderItem<ItemT>
+    /**
+     * Rendered at the very beginning of the list.
+     */
+    ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-  ItemSeparatorComponent?: React.ComponentType<any> | null
+    /**
+     * Styling for internal View for ListHeaderComponent
+     */
+    ListHeaderComponentStyle?: ViewStyle | null;
 
-  keyExtractor?: (item: ItemT, index: number) => string
-}
+    /**
+     * Optional custom style for multi-item rows generated when numColumns > 1
+     */
+    columnWrapperStyle?: StyleProp<ViewStyle>;
 
-export interface SectionListData<ItemT> extends SectionBase<ItemT> {
-  [key: string]: any
-}
+    /**
+     * Determines when the keyboard should stay visible after a tap.
+     * - 'never' (the default), tapping outside of the focused text input when the keyboard is up dismisses the keyboard. When this happens, children won't receive the tap.
+     * - 'always', the keyboard will not dismiss automatically, and the scroll view will not catch taps, but children of the scroll view can catch taps.
+     * - 'handled', the keyboard will not dismiss automatically when the tap was handled by a children, (or captured by an ancestor).
+     * - false, deprecated, use 'never' instead
+     * - true, deprecated, use 'always' instead
+     */
+    keyboardShouldPersistTaps?: boolean | "always" | "never" | "handled";
 
-/**
- * @see https://facebook.github.io/react-native/docs/sectionlist.html#props
- */
+    /**
+     * For simplicity, data is just a plain array. If you want to use something else,
+     * like an immutable list, use the underlying VirtualizedList directly.
+     */
+    data: ReadonlyArray<ItemT> | null;
 
-export interface SectionListRenderItemInfo<ItemT> extends ListRenderItemInfo<ItemT> {
-  section: SectionListData<ItemT>
-}
+    /**
+     * A marker property for telling the list to re-render (since it implements PureComponent).
+     * If any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the `data` prop,
+     * stick it here and treat it immutably.
+     */
+    extraData?: any;
 
-export type SectionListRenderItem<ItemT> = (
-  info: SectionListRenderItemInfo<ItemT>
-) => React.ReactElement | null
+    /**
+     * `getItemLayout` is an optional optimization that lets us skip measurement of dynamic
+     * content if you know the height of items a priori. getItemLayout is the most efficient,
+     * and is easy to use if you have fixed height items, for example:
+     * ```
+     * getItemLayout={(data, index) => (
+     *   {length: ITEM_HEIGHT, offset: ITEM_HEIGHT * index, index}
+     * )}
+     * ```
+     * Remember to include separator length (height or width) in your offset calculation if you specify
+     * `ItemSeparatorComponent`.
+     */
+    getItemLayout?: (data: Array<ItemT> | null, index: number) => { length: number; offset: number; index: number };
 
-export interface SectionListProps<ItemT> extends VirtualizedListWithoutRenderItemProps<ItemT> {
-  /**
-   * Rendered in between adjacent Items within each section.
-   */
-  ItemSeparatorComponent?: React.ComponentType<any> | null
-
-  /**
-   * Rendered when the list is empty.
-   */
-  ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the very end of the list.
-   */
-  ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the very beginning of the list.
-   */
-  ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered in between each section.
-   */
-  SectionSeparatorComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * A marker property for telling the list to re-render (since it implements PureComponent).
-   * If any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the `data` prop,
-   * stick it here and treat it immutably.
-   */
-  extraData?: any
-
-  /**
-   * `getItemLayout` is an optional optimization that lets us skip measurement of dynamic
-   * content if you know the height of items a priori. getItemLayout is the most efficient,
-   * and is easy to use if you have fixed height items, for example:
-   * ```
-   * getItemLayout={(data, index) => (
-   *   {length: ITEM_HEIGHT, offset: ITEM_HEIGHT * index, index}
-   * )}
-   * ```
-   */
-  getItemLayout?: (
-    data: SectionListData<ItemT>[] | null,
-    index: number
-  ) => {length: number; offset: number; index: number}
-
-  /**
-   * How many items to render in the initial batch
-   */
-  initialNumToRender?: number
-
-  /**
-   * Reverses the direction of scroll. Uses scale transforms of -1.
-   */
-  inverted?: boolean
-
-  /**
-   * Used to extract a unique key for a given item at the specified index. Key is used for caching
-   * and as the react key to track item re-ordering. The default extractor checks `item.key`, then
-   * falls back to using the index, like React does.
-   */
-  keyExtractor?: (item: ItemT, index: number) => string
-
-  /**
-   * Called once when the scroll position gets within onEndReachedThreshold of the rendered content.
-   */
-  onEndReached?: ((info: {distanceFromEnd: number}) => void) | null
-
-  /**
-   * How far from the end (in units of visible length of the list) the bottom edge of the
-   * list must be from the end of the content to trigger the `onEndReached` callback.
-   * Thus a value of 0.5 will trigger `onEndReached` when the end of the content is
-   * within half the visible length of the list.
-   */
-  onEndReachedThreshold?: number | null
-
-  /**
-   * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality.
-   * Make sure to also set the refreshing prop correctly.
-   */
-  onRefresh?: (() => void) | null
-
-  /**
-   * Used to handle failures when scrolling to an index that has not been measured yet.
-   * Recommended action is to either compute your own offset and `scrollTo` it, or scroll as far
-   * as possible and then try again after more items have been rendered.
-   */
-  onScrollToIndexFailed?: (info: {
-    index: number
-    highestMeasuredFrameIndex: number
-    averageItemLength: number
-  }) => void
-
-  /**
-   * Set this true while waiting for new data from a refresh.
-   */
-  refreshing?: boolean | null
-
-  /**
-   * Default renderer for every item in every section. Can be over-ridden on a per-section basis.
-   */
-  renderItem?: SectionListRenderItem<ItemT>
-
-  /**
-   * Rendered at the top of each section. Sticky headers are not yet supported.
-   */
-  renderSectionHeader?: (info: {section: SectionListData<ItemT>}) => React.ReactElement | null
-
-  /**
-   * Rendered at the bottom of each section.
-   */
-  renderSectionFooter?: (info: {section: SectionListData<ItemT>}) => React.ReactElement | null
-
-  /**
-   * An array of objects with data for each section.
-   */
-  sections: ReadonlyArray<SectionListData<ItemT>>
-
-  /**
-   * Render a custom scroll component, e.g. with a differently styled `RefreshControl`.
-   */
-  renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>
-
-  /**
-   * Note: may have bugs (missing content) in some circumstances - use at your own risk.
-   *
-   * This may improve scroll performance for large lists.
-   */
-  removeClippedSubviews?: boolean
-
-  /**
-   * Makes section headers stick to the top of the screen until the next one pushes it off.
-   * Only enabled by default on iOS because that is the platform standard there.
-   */
-  stickySectionHeadersEnabled?: boolean
-
-  /**
-   * Uses legacy MetroListView instead of default VirtualizedSectionList
-   */
-  legacyImplementation?: boolean
-}
+    /**
+     * If true, renders items next to each other horizontally instead of stacked vertically.
+     */
+    horizontal?: boolean;
 
-export interface SectionListScrollParams {
-  animated?: boolean
-  itemIndex: number
-  sectionIndex: number
-  viewOffset?: number
-  viewPosition?: number
-}
+    /**
+     * How many items to render in the initial batch
+     */
+    initialNumToRender?: number;
 
-export interface SectionListStatic<SectionT> extends React.ComponentClass<SectionListProps<SectionT>> {
-  /**
-   * Scrolls to the item at the specified sectionIndex and itemIndex (within the section)
-   * positioned in the viewable area such that viewPosition 0 places it at the top
-   * (and may be covered by a sticky header), 1 at the bottom, and 0.5 centered in the middle.
-   */
-  scrollToLocation?(params: SectionListScrollParams): void
-}
+    /**
+     * Instead of starting at the top with the first item, start at initialScrollIndex
+     */
+    initialScrollIndex?: number;
 
-/**
- * @see https://facebook.github.io/react-native/docs/virtualizedlist.html#props
- */
-export interface VirtualizedListProps<ItemT> extends VirtualizedListWithoutRenderItemProps<ItemT> {
-  renderItem: ListRenderItem<ItemT>
-}
+    /**
+     * Used to extract a unique key for a given item at the specified index. Key is used for caching
+     * and as the react key to track item re-ordering. The default extractor checks `item.key`, then
+     * falls back to using the index, like React does.
+     */
+    keyExtractor?: (item: ItemT, index: number) => string;
 
-export interface VirtualizedListWithoutRenderItemProps<ItemT> extends ScrollViewProps {
-  /**
-   * Rendered when the list is empty. Can be a React Component Class, a render function, or
-   * a rendered element.
-   */
-  ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the bottom of all the items. Can be a React Component Class, a render function, or
-   * a rendered element.
-   */
-  ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * Rendered at the top of all the items. Can be a React Component Class, a render function, or
-   * a rendered element.
-   */
-  ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null
-
-  /**
-   * The default accessor functions assume this is an Array<{key: string}> but you can override
-   * getItem, getItemCount, and keyExtractor to handle any type of index-based data.
-   */
-  data?: any
-
-  /**
-   * `debug` will turn on extra logging and visual overlays to aid with debugging both usage and
-   * implementation, but with a significant perf hit.
-   */
-  debug?: boolean
-
-  /**
-   * DEPRECATED: Virtualization provides significant performance and memory optimizations, but fully
-   * unmounts react instances that are outside of the render window. You should only need to disable
-   * this for debugging purposes.
-   */
-  disableVirtualization?: boolean
-
-  /**
-   * A marker property for telling the list to re-render (since it implements `PureComponent`). If
-   * any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the
-   * `data` prop, stick it here and treat it immutably.
-   */
-  extraData?: any
-
-  /**
-   * A generic accessor for extracting an item from any sort of data blob.
-   */
-  getItem?: (data: any, index: number) => ItemT
-
-  /**
-   * Determines how many items are in the data blob.
-   */
-  getItemCount?: (data: any) => number
-
-  getItemLayout?: (
-    data: any,
-    index: number
-  ) => {
-    length: number
-    offset: number
-    index: number
-  }
-
-  horizontal?: boolean
-
-  /**
-   * How many items to render in the initial batch. This should be enough to fill the screen but not
-   * much more. Note these items will never be unmounted as part of the windowed rendering in order
-   * to improve perceived performance of scroll-to-top actions.
-   */
-  initialNumToRender?: number
-
-  /**
-   * Instead of starting at the top with the first item, start at `initialScrollIndex`. This
-   * disables the "scroll to top" optimization that keeps the first `initialNumToRender` items
-   * always rendered and immediately renders the items starting at this initial index. Requires
-   * `getItemLayout` to be implemented.
-   */
-  initialScrollIndex?: number
-
-  /**
-   * Reverses the direction of scroll. Uses scale transforms of -1.
-   */
-  inverted?: boolean
-
-  keyExtractor?: (item: ItemT, index: number) => string
-
-  listKey?: string
-
-  /**
-   * The maximum number of items to render in each incremental render batch. The more rendered at
-   * once, the better the fill rate, but responsiveness my suffer because rendering content may
-   * interfere with responding to button taps or other interactions.
-   */
-  maxToRenderPerBatch?: number
-
-  onEndReached?: ((info: {distanceFromEnd: number}) => void) | null
-
-  onEndReachedThreshold?: number | null
-
-  onLayout?: (event: LayoutChangeEvent) => void
-
-  /**
-   * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality. Make
-   * sure to also set the `refreshing` prop correctly.
-   */
-  onRefresh?: (() => void) | null
-
-  /**
-   * Used to handle failures when scrolling to an index that has not been measured yet.
-   * Recommended action is to either compute your own offset and `scrollTo` it, or scroll as far
-   * as possible and then try again after more items have been rendered.
-   */
-  onScrollToIndexFailed?: (info: {
-    index: number
-    highestMeasuredFrameIndex: number
-    averageItemLength: number
-  }) => void
-
-  /**
-   * Called when the viewability of rows changes, as defined by the
-   * `viewabilityConfig` prop.
-   */
-  onViewableItemsChanged?:
-    | ((info: {viewableItems: Array<ViewToken>; changed: Array<ViewToken>}) => void)
-    | null
-
-  /**
-   * Set this when offset is needed for the loading indicator to show correctly.
-   * @platform android
-   */
-  progressViewOffset?: number
-
-  /**
-   * Set this true while waiting for new data from a refresh.
-   */
-  refreshing?: boolean | null
-
-  /**
-   * Note: may have bugs (missing content) in some circumstances - use at your own risk.
-   *
-   * This may improve scroll performance for large lists.
-   */
-  removeClippedSubviews?: boolean
-
-  /**
-   * Render a custom scroll component, e.g. with a differently styled `RefreshControl`.
-   */
-  renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>
-
-  /**
-   * Amount of time between low-pri item render batches, e.g. for rendering items quite a ways off
-   * screen. Similar fill rate/responsiveness tradeoff as `maxToRenderPerBatch`.
-   */
-  updateCellsBatchingPeriod?: number
-
-  viewabilityConfig?: ViewabilityConfig
-
-  viewabilityConfigCallbackPairs?: ViewabilityConfigCallbackPairs
-
-  /**
-   * Determines the maximum number of items rendered outside of the visible area, in units of
-   * visible lengths. So if your list fills the screen, then `windowSize={21}` (the default) will
-   * render the visible screen area plus up to 10 screens above and 10 below the viewport. Reducing
-   * this number will reduce memory consumption and may improve performance, but will increase the
-   * chance that fast scrolling may reveal momentary blank areas of unrendered content.
-   */
-  windowSize?: number
-}
+    /**
+     * Uses legacy MetroListView instead of default VirtualizedSectionList
+     */
+    legacyImplementation?: boolean;
 
-/**
- * @see https://facebook.github.io/react-native/docs/listview.html#props
- */
-export interface ListViewProps extends ScrollViewProps {
-  /**
-   * An instance of [ListView.DataSource](docs/listviewdatasource.html) to use
-   */
-  dataSource: ListViewDataSource
-
-  /**
-   * Flag indicating whether empty section headers should be rendered.
-   * In the future release empty section headers will be rendered by
-   * default, and the flag will be deprecated. If empty sections are not
-   * desired to be rendered their indices should be excluded from
-   * sectionID object.
-   */
-  enableEmptySections?: boolean
-
-  /**
-   * How many rows to render on initial component mount.  Use this to make
-   * it so that the first screen worth of data apears at one time instead of
-   * over the course of multiple frames.
-   */
-  initialListSize?: number
-
-  /**
-   * (visibleRows, changedRows) => void
-   *
-   * Called when the set of visible rows changes.  `visibleRows` maps
-   * { sectionID: { rowID: true }} for all the visible rows, and
-   * `changedRows` maps { sectionID: { rowID: true | false }} for the rows
-   * that have changed their visibility, with true indicating visible, and
-   * false indicating the view has moved out of view.
-   */
-  onChangeVisibleRows?: (
-    visibleRows: Array<{[sectionId: string]: {[rowID: string]: boolean}}>,
-    changedRows: Array<{[sectionId: string]: {[rowID: string]: boolean}}>
-  ) => void
-
-  /**
-   * Called when all rows have been rendered and the list has been scrolled
-   * to within onEndReachedThreshold of the bottom.  The native scroll
-   * event is provided.
-   */
-  onEndReached?: () => void
-
-  /**
-   * Threshold in pixels for onEndReached.
-   */
-  onEndReachedThreshold?: number
-
-  /**
-   * Number of rows to render per event loop.
-   */
-  pageSize?: number
-
-  /**
-   * A performance optimization for improving scroll perf of
-   * large lists, used in conjunction with overflow: 'hidden' on the row
-   * containers.  Use at your own risk.
-   */
-  removeClippedSubviews?: boolean
-
-  /**
-   * () => renderable
-   *
-   * The header and footer are always rendered (if these props are provided)
-   * on every render pass.  If they are expensive to re-render, wrap them
-   * in StaticContainer or other mechanism as appropriate.  Footer is always
-   * at the bottom of the list, and header at the top, on every render pass.
-   */
-  renderFooter?: () => React.ReactElement
-
-  /**
-   * () => renderable
-   *
-   * The header and footer are always rendered (if these props are provided)
-   * on every render pass.  If they are expensive to re-render, wrap them
-   * in StaticContainer or other mechanism as appropriate.  Footer is always
-   * at the bottom of the list, and header at the top, on every render pass.
-   */
-  renderHeader?: () => React.ReactElement
-
-  /**
-   * (rowData, sectionID, rowID) => renderable
-   * Takes a data entry from the data source and its ids and should return
-   * a renderable component to be rendered as the row.  By default the data
-   * is exactly what was put into the data source, but it's also possible to
-   * provide custom extractors.
-   */
-  renderRow: (
-    rowData: any,
-    sectionID: string | number,
-    rowID: string | number,
-    highlightRow?: boolean
-  ) => React.ReactElement
-
-  /**
-   * A function that returns the scrollable component in which the list rows are rendered.
-   * Defaults to returning a ScrollView with the given props.
-   */
-  renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>
-
-  /**
-   * (sectionData, sectionID) => renderable
-   *
-   * If provided, a sticky header is rendered for this section.  The sticky
-   * behavior means that it will scroll with the content at the top of the
-   * section until it reaches the top of the screen, at which point it will
-   * stick to the top until it is pushed off the screen by the next section
-   * header.
-   */
-  renderSectionHeader?: (sectionData: any, sectionId: string | number) => React.ReactElement
-
-  /**
-   * (sectionID, rowID, adjacentRowHighlighted) => renderable
-   * If provided, a renderable component to be rendered as the separator below each row
-   * but not the last row if there is a section header below.
-   * Take a sectionID and rowID of the row above and whether its adjacent row is highlighted.
-   */
-  renderSeparator?: (
-    sectionID: string | number,
-    rowID: string | number,
-    adjacentRowHighlighted?: boolean
-  ) => React.ReactElement
-
-  /**
-   * How early to start rendering rows before they come on screen, in
-   * pixels.
-   */
-  scrollRenderAheadDistance?: number
-
-  /**
-   * An array of child indices determining which children get docked to the
-   * top of the screen when scrolling. For example, passing
-   * `stickyHeaderIndices={[0]}` will cause the first child to be fixed to the
-   * top of the scroll view. This property is not supported in conjunction
-   * with `horizontal={true}`.
-   * @platform ios
-   */
-  stickyHeaderIndices?: number[]
-
-  /**
-   * Makes the sections headers sticky. The sticky behavior means that it will scroll with the
-   * content at the top of the section until it reaches the top of the screen, at which point it
-   * will stick to the top until it is pushed off the screen by the next section header. This
-   * property is not supported in conjunction with `horizontal={true}`. Only enabled by default
-   * on iOS because of typical platform standards.
-   */
-  stickySectionHeadersEnabled?: boolean
-}
+    /**
+     * Multiple columns can only be rendered with `horizontal={false}` and will zig-zag like a `flexWrap` layout.
+     * Items should all be the same height - masonry layouts are not supported.
+     */
+    numColumns?: number;
 
-interface TimerMixin {
-  setTimeout: typeof setTimeout
-  clearTimeout: typeof clearTimeout
-  setInterval: typeof setInterval
-  clearInterval: typeof clearInterval
-  setImmediate: typeof setImmediate
-  clearImmediate: typeof clearImmediate
-  requestAnimationFrame: typeof requestAnimationFrame
-  cancelAnimationFrame: typeof cancelAnimationFrame
-}
+    /**
+     * Called once when the scroll position gets within onEndReachedThreshold of the rendered content.
+     */
+    onEndReached?: ((info: { distanceFromEnd: number }) => void) | null;
 
-declare class ListViewComponent extends React.Component<ListViewProps> {}
-declare const ListViewBase: Constructor<ScrollResponderMixin> &
-  Constructor<TimerMixin> &
-  typeof ListViewComponent
-export class ListView extends ListViewBase {
-  static DataSource: ListViewDataSource
-
-  /**
-   * Exports some data, e.g. for perf investigations or analytics.
-   */
-  getMetrics: () => {
-    contentLength: number
-    totalRows: number
-    renderedRows: number
-    visibleRows: number
-  }
-
-  /**
-   * Provides a handle to the underlying scroll responder.
-   */
-  getScrollResponder: () => any
-
-  /**
-   * Scrolls to a given x, y offset, either immediately or with a smooth animation.
-   *
-   * See `ScrollView#scrollTo`.
-   */
-  scrollTo: (
-    y?: number | {x?: number; y?: number; animated?: boolean},
-    x?: number,
-    animated?: boolean
-  ) => void
-}
+    /**
+     * How far from the end (in units of visible length of the list) the bottom edge of the
+     * list must be from the end of the content to trigger the `onEndReached` callback.
+     * Thus a value of 0.5 will trigger `onEndReached` when the end of the content is
+     * within half the visible length of the list.
+     */
+    onEndReachedThreshold?: number | null;
 
-interface MaskedViewIOSProps extends ViewProps {
-  maskElement: React.ReactElement
-}
+    /**
+     * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality.
+     * Make sure to also set the refreshing prop correctly.
+     */
+    onRefresh?: (() => void) | null;
 
-/**
- * @see https://facebook.github.io/react-native/docs/maskedviewios.html
- */
-declare class MaskedViewComponent extends React.Component<MaskedViewIOSProps> {}
-declare const MaskedViewBase: Constructor<NativeMethodsMixin> & typeof MaskedViewComponent
-export class MaskedViewIOS extends MaskedViewBase {}
+    /**
+     * Called when the viewability of rows changes, as defined by the `viewablePercentThreshold` prop.
+     */
+    onViewableItemsChanged?: ((info: { viewableItems: Array<ViewToken>; changed: Array<ViewToken> }) => void) | null;
 
-export interface ModalBaseProps {
-  // Only `animated` is documented. The JS code says `animated` is
-  // deprecated and `animationType` is preferred.
-  animated?: boolean
-  /**
-   * The `animationType` prop controls how the modal animates.
-   *
-   * - `slide` slides in from the bottom
-   * - `fade` fades into view
-   * - `none` appears without an animation
-   */
-  animationType?: 'none' | 'slide' | 'fade'
-  /**
-   * The `transparent` prop determines whether your modal will fill the entire view.
-   * Setting this to `true` will render the modal over a transparent background.
-   */
-  transparent?: boolean
-  /**
-   * The `visible` prop determines whether your modal is visible.
-   */
-  visible?: boolean
-  /**
-   * The `onRequestClose` prop allows passing a function that will be called once the modal has been dismissed.
-   * _On the Android platform, this is a required function._
-   */
-  onRequestClose?: () => void
-  /**
-   * The `onShow` prop allows passing a function that will be called once the modal has been shown.
-   */
-  onShow?: (event: NativeSyntheticEvent<any>) => void
-}
+    /**
+     * Set this true while waiting for new data from a refresh.
+     */
+    refreshing?: boolean | null;
 
-export interface ModalPropsIOS {
-  /**
-   * The `presentationStyle` determines the style of modal to show
-   */
-  presentationStyle?: 'fullScreen' | 'pageSheet' | 'formSheet' | 'overFullScreen'
-
-  /**
-   * The `supportedOrientations` prop allows the modal to be rotated to any of the specified orientations.
-   * On iOS, the modal is still restricted by what's specified in your app's Info.plist's UISupportedInterfaceOrientations field.
-   */
-  supportedOrientations?: Array<
-    'portrait' | 'portrait-upside-down' | 'landscape' | 'landscape-left' | 'landscape-right'
-  >
-
-  /**
-   * The `onDismiss` prop allows passing a function that will be called once the modal has been dismissed.
-   */
-  onDismiss?: () => void
-
-  /**
-   * The `onOrientationChange` callback is called when the orientation changes while the modal is being displayed.
-   * The orientation provided is only 'portrait' or 'landscape'. This callback is also called on initial render, regardless of the current orientation.
-   */
-  onOrientationChange?: (event: NativeSyntheticEvent<any>) => void
-}
+    /**
+     * Takes an item from data and renders it into the list. Typical usage:
+     * ```
+     * _renderItem = ({item}) => (
+     *   <TouchableOpacity onPress={() => this._onPress(item)}>
+     *     <Text>{item.title}</Text>
+     *   <TouchableOpacity/>
+     * );
+     * ...
+     * <FlatList data={[{title: 'Title Text', key: 'item1'}]} renderItem={this._renderItem} />
+     * ```
+     * Provides additional metadata like `index` if you need it.
+     */
+    renderItem: ListRenderItem<ItemT>;
 
-export interface ModalPropsAndroid {
-  /**
-   *  Controls whether to force hardware acceleration for the underlying window.
-   */
-  hardwareAccelerated?: boolean
+    /**
+     * See `ViewabilityHelper` for flow type and further documentation.
+     */
+    viewabilityConfig?: any;
+
+    /**
+     * Note: may have bugs (missing content) in some circumstances - use at your own risk.
+     *
+     * This may improve scroll performance for large lists.
+     */
+    removeClippedSubviews?: boolean;
 }
 
-export type ModalProps = ModalBaseProps & ModalPropsIOS & ModalPropsAndroid
+export class FlatList<ItemT> extends React.Component<FlatListProps<ItemT>> {
+    /**
+     * Exports some data, e.g. for perf investigations or analytics.
+     */
+    getMetrics: () => {
+        contentLength: number;
+        totalRows: number;
+        renderedRows: number;
+        visibleRows: number;
+    };
 
-export class Modal extends React.Component<ModalProps> {}
+    /**
+     * Scrolls to the end of the content. May be janky without `getItemLayout` prop.
+     */
+    scrollToEnd: (params?: { animated?: boolean }) => void;
 
-/**
- * @see https://github.com/facebook/react-native/blob/0.34-stable\Libraries\Components\Touchable\Touchable.js
- */
-interface TouchableMixin {
-  /**
-   * Invoked when the item should be highlighted. Mixers should implement this
-   * to visually distinguish the `VisualRect` so that the user knows that
-   * releasing a touch will result in a "selection" (analog to click).
-   */
-  touchableHandleActivePressIn(e: GestureResponderEvent): void
-
-  /**
-   * Invoked when the item is "active" (in that it is still eligible to become
-   * a "select") but the touch has left the `PressRect`. Usually the mixer will
-   * want to unhighlight the `VisualRect`. If the user (while pressing) moves
-   * back into the `PressRect` `touchableHandleActivePressIn` will be invoked
-   * again and the mixer should probably highlight the `VisualRect` again. This
-   * event will not fire on an `touchEnd/mouseUp` event, only move events while
-   * the user is depressing the mouse/touch.
-   */
-  touchableHandleActivePressOut(e: GestureResponderEvent): void
-
-  /**
-   * Invoked when the item is "selected" - meaning the interaction ended by
-   * letting up while the item was either in the state
-   * `RESPONDER_ACTIVE_PRESS_IN` or `RESPONDER_INACTIVE_PRESS_IN`.
-   */
-  touchableHandlePress(e: GestureResponderEvent): void
-
-  /**
-   * Invoked when the item is long pressed - meaning the interaction ended by
-   * letting up while the item was in `RESPONDER_ACTIVE_LONG_PRESS_IN`. If
-   * `touchableHandleLongPress` is *not* provided, `touchableHandlePress` will
-   * be called as it normally is. If `touchableHandleLongPress` is provided, by
-   * default any `touchableHandlePress` callback will not be invoked. To
-   * override this default behavior, override `touchableLongPressCancelsPress`
-   * to return false. As a result, `touchableHandlePress` will be called when
-   * lifting up, even if `touchableHandleLongPress` has also been called.
-   */
-  touchableHandleLongPress(e: GestureResponderEvent): void
-
-  /**
-   * Returns the amount to extend the `HitRect` into the `PressRect`. Positive
-   * numbers mean the size expands outwards.
-   */
-  touchableGetPressRectOffset(): Insets
-
-  /**
-   * Returns the number of millis to wait before triggering a highlight.
-   */
-  touchableGetHighlightDelayMS(): number
-
-  // These methods are undocumented but still being used by TouchableMixin internals
-  touchableGetLongPressDelayMS(): number
-  touchableGetPressOutDelayMS(): number
-  touchableGetHitSlop(): Insets
-}
+    /**
+     * Scrolls to the item at the specified index such that it is positioned in the viewable area
+     * such that viewPosition 0 places it at the top, 1 at the bottom, and 0.5 centered in the middle.
+     * Cannot scroll to locations outside the render window without specifying the getItemLayout prop.
+     */
+    scrollToIndex: (params: { animated?: boolean; index: number; viewOffset?: number; viewPosition?: number }) => void;
 
-export interface TouchableWithoutFeedbackPropsIOS {
-  /**
-   * *(Apple TV only)* TV preferred focus (see documentation for the View component).
-   *
-   * @platform ios
-   */
-  hasTVPreferredFocus?: boolean
-
-  /**
-   * *(Apple TV only)* Object with properties to control Apple TV parallax effects.
-   *
-   * enabled: If true, parallax effects are enabled.  Defaults to true.
-   * shiftDistanceX: Defaults to 2.0.
-   * shiftDistanceY: Defaults to 2.0.
-   * tiltAngle: Defaults to 0.05.
-   * magnification: Defaults to 1.0.
-   * pressMagnification: Defaults to 1.0.
-   * pressDuration: Defaults to 0.3.
-   * pressDelay: Defaults to 0.0.
-   *
-   * @platform ios
-   */
-  tvParallaxProperties?: TVParallaxProperties
-}
+    /**
+     * Requires linear scan through data - use `scrollToIndex` instead if possible.
+     * May be janky without `getItemLayout` prop.
+     */
+    scrollToItem: (params: { animated?: boolean; item: ItemT; viewPosition?: number }) => void;
 
-/**
- * @see https://facebook.github.io/react-native/docs/touchablewithoutfeedback.html#props
- */
-export interface TouchableWithoutFeedbackProps extends TouchableWithoutFeedbackPropsIOS, AccessibilityProps {
-  /**
-   * Delay in ms, from onPressIn, before onLongPress is called.
-   */
-  delayLongPress?: number
-
-  /**
-   * Delay in ms, from the start of the touch, before onPressIn is called.
-   */
-  delayPressIn?: number
-
-  /**
-   * Delay in ms, from the release of the touch, before onPressOut is called.
-   */
-  delayPressOut?: number
-
-  /**
-   * If true, disable all interactions for this component.
-   */
-  disabled?: boolean
-
-  /**
-   * This defines how far your touch can start away from the button.
-   * This is added to pressRetentionOffset when moving off of the button.
-   * NOTE The touch area never extends past the parent view bounds and
-   * the Z-index of sibling views always takes precedence if a touch hits
-   * two overlapping views.
-   */
-  hitSlop?: Insets
-
-  /**
-   * When `accessible` is true (which is the default) this may be called when
-   * the OS-specific concept of "blur" occurs, meaning the element lost focus.
-   * Some platforms may not have the concept of blur.
-   */
-  onBlur?: (e: NativeSyntheticEvent<TargetedEvent>) => void
-
-  /**
-   * When `accessible` is true (which is the default) this may be called when
-   * the OS-specific concept of "focus" occurs. Some platforms may not have
-   * the concept of focus.
-   */
-  onFocus?: (e: NativeSyntheticEvent<TargetedEvent>) => void
-
-  /**
-   * Invoked on mount and layout changes with
-   * {nativeEvent: {layout: {x, y, width, height}}}
-   */
-  onLayout?: (event: LayoutChangeEvent) => void
-
-  onLongPress?: (event: GestureResponderEvent) => void
-
-  /**
-   * Called when the touch is released,
-   * but not if cancelled (e.g. by a scroll that steals the responder lock).
-   */
-  onPress?: (event: GestureResponderEvent) => void
-
-  onPressIn?: (event: GestureResponderEvent) => void
-
-  onPressOut?: (event: GestureResponderEvent) => void
-
-  /**
-   * //FIXME: not in doc but available in examples
-   */
-  style?: StyleProp<ViewStyle>
-
-  /**
-   * When the scroll view is disabled, this defines how far your
-   * touch may move off of the button, before deactivating the button.
-   * Once deactivated, try moving it back and you'll see that the button
-   * is once again reactivated! Move it back and forth several times
-   * while the scroll view is disabled. Ensure you pass in a constant
-   * to reduce memory allocations.
-   */
-  pressRetentionOffset?: Insets
-
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
-}
+    /**
+     * Scroll to a specific content pixel offset, like a normal `ScrollView`.
+     */
+    scrollToOffset: (params: { animated?: boolean; offset: number }) => void;
 
-/**
- * Do not use unless you have a very good reason.
- * All the elements that respond to press should have a visual feedback when touched.
- * This is one of the primary reason a "web" app doesn't feel "native".
- *
- * @see https://facebook.github.io/react-native/docs/touchablewithoutfeedback.html
- */
-declare class TouchableWithoutFeedbackComponent extends React.Component<TouchableWithoutFeedbackProps> {}
-declare const TouchableWithoutFeedbackBase: Constructor<TimerMixin> &
-  Constructor<TouchableMixin> &
-  typeof TouchableWithoutFeedbackComponent
-export class TouchableWithoutFeedback extends TouchableWithoutFeedbackBase {}
+    /**
+     * Tells the list an interaction has occured, which should trigger viewability calculations,
+     * e.g. if waitForInteractions is true and the user has not scrolled. This is typically called
+     * by taps on items or by navigation actions.
+     */
+    recordInteraction: () => void;
+
+    /**
+     * Displays the scroll indicators momentarily.
+     */
+    flashScrollIndicators: () => void;
+}
 
 /**
- * @see https://facebook.github.io/react-native/docs/touchablehighlight.html#props
+ * @see https://facebook.github.io/react-native/docs/sectionlist.html
  */
-export interface TouchableHighlightProps extends TouchableWithoutFeedbackProps {
-  /**
-   * Determines what the opacity of the wrapped view should be when touch is active.
-   */
-  activeOpacity?: number
+export interface SectionBase<ItemT> {
+    data: ReadonlyArray<ItemT>;
 
-  /**
-   *
-   * Called immediately after the underlay is hidden
-   */
-  onHideUnderlay?: () => void
+    key?: string;
 
-  /**
-   * Called immediately after the underlay is shown
-   */
-  onShowUnderlay?: () => void
+    renderItem?: SectionListRenderItem<ItemT>;
 
-  /**
-   * @see https://facebook.github.io/react-native/docs/view.html#style
-   */
-  style?: StyleProp<ViewStyle>
+    ItemSeparatorComponent?: React.ComponentType<any> | null;
 
-  /**
-   * The color of the underlay that will show through when the touch is active.
-   */
-  underlayColor?: string
+    keyExtractor?: (item: ItemT, index: number) => string;
 }
 
-/**
- * A wrapper for making views respond properly to touches.
- * On press down, the opacity of the wrapped view is decreased,
- * which allows the underlay color to show through, darkening or tinting the view.
- * The underlay comes from adding a view to the view hierarchy,
- * which can sometimes cause unwanted visual artifacts if not used correctly,
- * for example if the backgroundColor of the wrapped view isn't explicitly set to an opaque color.
- *
- * NOTE: TouchableHighlight supports only one child
- * If you wish to have several child components, wrap them in a View.
- *
- * @see https://facebook.github.io/react-native/docs/touchablehighlight.html
- */
-declare class TouchableHighlightComponent extends React.Component<TouchableHighlightProps> {}
-declare const TouchableHighlightBase: Constructor<NativeMethodsMixin> &
-  Constructor<TimerMixin> &
-  Constructor<TouchableMixin> &
-  typeof TouchableHighlightComponent
-export class TouchableHighlight extends TouchableHighlightBase {}
-
-/**
- * @see https://facebook.github.io/react-native/docs/touchableopacity.html#props
- */
-export interface TouchableOpacityProps extends TouchableWithoutFeedbackProps {
-  /**
-   * Determines what the opacity of the wrapped view should be when touch is active.
-   * Defaults to 0.2
-   */
-  activeOpacity?: number
+export interface SectionListData<ItemT> extends SectionBase<ItemT> {
+    [key: string]: any;
 }
 
 /**
- * A wrapper for making views respond properly to touches.
- * On press down, the opacity of the wrapped view is decreased, dimming it.
- * This is done without actually changing the view hierarchy,
- * and in general is easy to add to an app without weird side-effects.
- *
- * @see https://facebook.github.io/react-native/docs/touchableopacity.html
+ * @see https://facebook.github.io/react-native/docs/sectionlist.html#props
  */
-declare class TouchableOpacityComponent extends React.Component<TouchableOpacityProps> {}
-declare const TouchableOpacityBase: Constructor<TimerMixin> &
-  Constructor<TouchableMixin> &
-  Constructor<NativeMethodsMixin> &
-  typeof TouchableOpacityComponent
-export class TouchableOpacity extends TouchableOpacityBase {
-  /**
-   * Animate the touchable to a new opacity.
-   */
-  setOpacityTo: (value: number) => void
-}
 
-interface BaseBackgroundPropType {
-  type: string
+export interface SectionListRenderItemInfo<ItemT> extends ListRenderItemInfo<ItemT> {
+    section: SectionListData<ItemT>;
 }
 
-interface RippleBackgroundPropType extends BaseBackgroundPropType {
-  type: 'RippleAndroid'
-  color?: number
-  borderless?: boolean
-}
+export type SectionListRenderItem<ItemT> = (info: SectionListRenderItemInfo<ItemT>) => React.ReactElement | null;
 
-interface ThemeAttributeBackgroundPropType extends BaseBackgroundPropType {
-  type: 'ThemeAttrAndroid'
-  attribute: string
-}
+export interface SectionListProps<ItemT> extends VirtualizedListWithoutRenderItemProps<ItemT> {
+    /**
+     * Rendered in between adjacent Items within each section.
+     */
+    ItemSeparatorComponent?: React.ComponentType<any> | null;
 
-type BackgroundPropType = RippleBackgroundPropType | ThemeAttributeBackgroundPropType
+    /**
+     * Rendered when the list is empty.
+     */
+    ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-/**
- * @see https://facebook.github.io/react-native/docs/touchableopacity.html#props
- */
-export interface TouchableNativeFeedbackProps extends TouchableWithoutFeedbackProps {
-  /**
-   * Determines the type of background drawable that's going to be used to display feedback.
-   * It takes an object with type property and extra data depending on the type.
-   * It's recommended to use one of the following static methods to generate that dictionary:
-   *      1) TouchableNativeFeedback.SelectableBackground() - will create object that represents android theme's
-   *         default background for selectable elements (?android:attr/selectableItemBackground)
-   *      2) TouchableNativeFeedback.SelectableBackgroundBorderless() - will create object that represent android
-   *         theme's default background for borderless selectable elements
-   *         (?android:attr/selectableItemBackgroundBorderless). Available on android API level 21+
-   *      3) TouchableNativeFeedback.Ripple(color, borderless) - will create object that represents ripple drawable
-   *         with specified color (as a string). If property borderless evaluates to true the ripple will render
-   *         outside of the view bounds (see native actionbar buttons as an example of that behavior). This background
-   *         type is available on Android API level 21+
-   */
-  background?: BackgroundPropType
-  useForeground?: boolean
-}
+    /**
+     * Rendered at the very end of the list.
+     */
+    ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-/**
- * A wrapper for making views respond properly to touches (Android only).
- * On Android this component uses native state drawable to display touch feedback.
- * At the moment it only supports having a single View instance as a child node,
- * as it's implemented by replacing that View with another instance of RCTView node with some additional properties set.
- *
- * Background drawable of native feedback touchable can be customized with background property.
- *
- * @see https://facebook.github.io/react-native/docs/touchablenativefeedback.html#content
- */
-declare class TouchableNativeFeedbackComponent extends React.Component<TouchableNativeFeedbackProps> {}
-declare const TouchableNativeFeedbackBase: Constructor<TouchableMixin> &
-  typeof TouchableNativeFeedbackComponent
-export class TouchableNativeFeedback extends TouchableNativeFeedbackBase {
-  /**
-   * Creates an object that represents android theme's default background for
-   * selectable elements (?android:attr/selectableItemBackground).
-   */
-  static SelectableBackground(): ThemeAttributeBackgroundPropType
-
-  /**
-   * Creates an object that represent android theme's default background for borderless
-   * selectable elements (?android:attr/selectableItemBackgroundBorderless).
-   * Available on android API level 21+.
-   */
-  static SelectableBackgroundBorderless(): ThemeAttributeBackgroundPropType
-
-  /**
-   * Creates an object that represents ripple drawable with specified color (as a
-   * string). If property `borderless` evaluates to true the ripple will
-   * render outside of the view bounds (see native actionbar buttons as an
-   * example of that behavior). This background type is available on Android
-   * API level 21+.
-   *
-   * @param color The ripple color
-   * @param borderless If the ripple can render outside it's bounds
-   */
-  static Ripple(color: string, borderless?: boolean): RippleBackgroundPropType
-  static canUseNativeForeground(): boolean
-}
+    /**
+     * Rendered at the very beginning of the list.
+     */
+    ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-export interface Route {
-  component?: React.ComponentType<any>
-  id?: string
-  title?: string
-  passProps?: Object
+    /**
+     * Rendered in between each section.
+     */
+    SectionSeparatorComponent?: React.ComponentType<any> | React.ReactElement | null;
 
-  //anything else
-  [key: string]: any
+    /**
+     * A marker property for telling the list to re-render (since it implements PureComponent).
+     * If any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the `data` prop,
+     * stick it here and treat it immutably.
+     */
+    extraData?: any;
 
-  //Commonly found properties
-  backButtonTitle?: string
-  content?: string
-  message?: string
-  index?: number
-  onRightButtonPress?: () => void
-  rightButtonTitle?: string
-  wrapperStyle?: any
-}
+    /**
+     * `getItemLayout` is an optional optimization that lets us skip measurement of dynamic
+     * content if you know the height of items a priori. getItemLayout is the most efficient,
+     * and is easy to use if you have fixed height items, for example:
+     * ```
+     * getItemLayout={(data, index) => (
+     *   {length: ITEM_HEIGHT, offset: ITEM_HEIGHT * index, index}
+     * )}
+     * ```
+     */
+    getItemLayout?: (
+        data: SectionListData<ItemT>[] | null,
+        index: number
+    ) => { length: number; offset: number; index: number };
 
-interface InteractionMixin {
-  createInteractionHandle(): number
-  clearInteractionHandle(clearHandle: number): void
-  /**
-   * Schedule work for after all interactions have completed.
-   *
-   */
-  runAfterInteractions(callback: () => any): void
-}
+    /**
+     * How many items to render in the initial batch
+     */
+    initialNumToRender?: number;
 
-interface SubscribableMixin {
-  /**
-   * Special form of calling `addListener` that *guarantees* that a
-   * subscription *must* be tied to a component instance, and therefore will
-   * be cleaned up when the component is unmounted. It is impossible to create
-   * the subscription and pass it in - this method must be the one to create
-   * the subscription and therefore can guarantee it is retained in a way that
-   * will be cleaned up.
-   *
-   * @param eventEmitter emitter to subscribe to.
-   * @param eventType Type of event to listen to.
-   * @param listener Function to invoke when event occurs.
-   * @param context Object to use as listener context.
-   */
-  addListenerOn(eventEmitter: any, eventType: string, listener: () => any, context: any): void
-}
+    /**
+     * Reverses the direction of scroll. Uses scale transforms of -1.
+     */
+    inverted?: boolean;
 
-// @see https://github.com/facebook/react-native/blob/0.34-stable\Libraries\StyleSheet\StyleSheetTypes.js
-export namespace StyleSheet {
-  type NamedStyles<T> = {[P in keyof T]: ViewStyle | TextStyle | ImageStyle}
-
-  /**
-   * Creates a StyleSheet style reference from the given object.
-   */
-  export function create<T extends NamedStyles<T> | NamedStyles<any>>(styles: T | NamedStyles<T>): T
-
-  /**
-   * Flattens an array of style objects, into one aggregated style object.
-   * Alternatively, this method can be used to lookup IDs, returned by
-   * StyleSheet.register.
-   *
-   * > **NOTE**: Exercise caution as abusing this can tax you in terms of
-   * > optimizations.
-   * >
-   * > IDs enable optimizations through the bridge and memory in general. Refering
-   * > to style objects directly will deprive you of these optimizations.
-   *
-   * Example:
-   * ```
-   * const styles = StyleSheet.create({
-   *   listItem: {
-   *     flex: 1,
-   *     fontSize: 16,
-   *     color: 'white'
-   *   },
-   *   selectedListItem: {
-   *     color: 'green'
-   *   }
-   * });
-   *
-   * StyleSheet.flatten([styles.listItem, styles.selectedListItem])
-   * // returns { flex: 1, fontSize: 16, color: 'green' }
-   * ```
-   * Alternative use:
-   * ```
-   * StyleSheet.flatten(styles.listItem);
-   * // return { flex: 1, fontSize: 16, color: 'white' }
-   * // Simply styles.listItem would return its ID (number)
-   * ```
-   * This method internally uses `StyleSheetRegistry.getStyleByID(style)`
-   * to resolve style objects represented by IDs. Thus, an array of style
-   * objects (instances of StyleSheet.create), are individually resolved to,
-   * their respective objects, merged as one and then returned. This also explains
-   * the alternative use.
-   */
-  export function flatten<T>(style?: RegisteredStyle<T>): T
-  export function flatten(style?: StyleProp<TextStyle>): TextStyle
-  export function flatten(style?: StyleProp<ImageStyle>): ImageStyle
-  export function flatten(style?: StyleProp<ViewStyle>): ViewStyle
-
-  /**
-   * WARNING: EXPERIMENTAL. Breaking changes will probably happen a lot and will
-   * not be reliably announced. The whole thing might be deleted, who knows? Use
-   * at your own risk.
-   *
-   * Sets a function to use to pre-process a style property value. This is used
-   * internally to process color and transform values. You should not use this
-   * unless you really know what you are doing and have exhausted other options.
-   */
-  export function setStyleAttributePreprocessor(property: string, process: (nextProp: any) => any): void
-
-  /**
-   * This is defined as the width of a thin line on the platform. It can be
-   * used as the thickness of a border or division between two elements.
-   * Example:
-   * ```
-   *   {
-   *     borderBottomColor: '#bbb',
-   *     borderBottomWidth: StyleSheet.hairlineWidth
-   *   }
-   * ```
-   *
-   * This constant will always be a round number of pixels (so a line defined
-   * by it look crisp) and will try to match the standard width of a thin line
-   * on the underlying platform. However, you should not rely on it being a
-   * constant size, because on different platforms and screen densities its
-   * value may be calculated differently.
-   */
-  export const hairlineWidth: number
-
-  interface AbsoluteFillStyle {
-    position: 'absolute'
-    left: 0
-    right: 0
-    top: 0
-    bottom: 0
-  }
-
-  /**
-   * Sometimes you may want `absoluteFill` but with a couple tweaks - `absoluteFillObject` can be
-   * used to create a customized entry in a `StyleSheet`, e.g.:
-   *
-   *   const styles = StyleSheet.create({
-   *     wrapper: {
-   *       ...StyleSheet.absoluteFillObject,
-   *       top: 10,
-   *       backgroundColor: 'transparent',
-   *     },
-   *   });
-   */
-  export const absoluteFillObject: AbsoluteFillStyle
-
-  /**
-   * A very common pattern is to create overlays with position absolute and zero positioning,
-   * so `absoluteFill` can be used for convenience and to reduce duplication of these repeated
-   * styles.
-   */
-  export const absoluteFill: RegisteredStyle<AbsoluteFillStyle>
-}
+    /**
+     * Used to extract a unique key for a given item at the specified index. Key is used for caching
+     * and as the react key to track item re-ordering. The default extractor checks `item.key`, then
+     * falls back to using the index, like React does.
+     */
+    keyExtractor?: (item: ItemT, index: number) => string;
 
-export interface RelayProfiler {
-  attachProfileHandler(name: string, handler: (name: string, state?: any) => () => void): void
+    /**
+     * Called once when the scroll position gets within onEndReachedThreshold of the rendered content.
+     */
+    onEndReached?: ((info: { distanceFromEnd: number }) => void) | null;
 
-  attachAggregateHandler(name: string, handler: (name: string, callback: () => void) => void): void
-}
+    /**
+     * How far from the end (in units of visible length of the list) the bottom edge of the
+     * list must be from the end of the content to trigger the `onEndReached` callback.
+     * Thus a value of 0.5 will trigger `onEndReached` when the end of the content is
+     * within half the visible length of the list.
+     */
+    onEndReachedThreshold?: number | null;
 
-export interface SystraceStatic {
-  setEnabled(enabled: boolean): void
-
-  /**
-   * beginEvent/endEvent for starting and then ending a profile within the same call stack frame
-   **/
-  beginEvent(profileName?: any, args?: any): void
-  endEvent(): void
-
-  /**
-   * beginAsyncEvent/endAsyncEvent for starting and then ending a profile where the end can either
-   * occur on another thread or out of the current stack frame, eg await
-   * the returned cookie variable should be used as input into the endAsyncEvent call to end the profile
-   **/
-  beginAsyncEvent(profileName?: any): any
-  endAsyncEvent(profileName?: any, cookie?: any): void
-
-  /**
-   * counterEvent registers the value to the profileName on the systrace timeline
-   **/
-  counterEvent(profileName?: any, value?: any): void
-
-  /**
-   * Relay profiles use await calls, so likely occur out of current stack frame
-   * therefore async variant of profiling is used
-   **/
-  attachToRelayProfiler(relayProfiler: RelayProfiler): void
-
-  /* This is not called by default due to perf overhead but it's useful
-        if you want to find traces which spend too much time in JSON. */
-  swizzleJSON(): void
+    /**
+     * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality.
+     * Make sure to also set the refreshing prop correctly.
+     */
+    onRefresh?: (() => void) | null;
+
+    /**
+     * Used to handle failures when scrolling to an index that has not been measured yet.
+     * Recommended action is to either compute your own offset and `scrollTo` it, or scroll as far
+     * as possible and then try again after more items have been rendered.
+     */
+    onScrollToIndexFailed?: (
+        info: {
+            index: number;
+            highestMeasuredFrameIndex: number;
+            averageItemLength: number;
+        }
+    ) => void;
+
+    /**
+     * Set this true while waiting for new data from a refresh.
+     */
+    refreshing?: boolean | null;
+
+    /**
+     * Default renderer for every item in every section. Can be over-ridden on a per-section basis.
+     */
+    renderItem?: SectionListRenderItem<ItemT>;
 
-  /**
-   * Measures multiple methods of a class. For example, you can do:
-   * Systrace.measureMethods(JSON, 'JSON', ['parse', 'stringify']);
-   *
-   * @param methodNames Map from method names to method display names.
-   */
-  measureMethods(object: any, objectName: string, methodNames: Array<string>): void
+    /**
+     * Rendered at the top of each section. Sticky headers are not yet supported.
+     */
+    renderSectionHeader?: (info: { section: SectionListData<ItemT> }) => React.ReactElement | null;
+
+    /**
+     * Rendered at the bottom of each section.
+     */
+    renderSectionFooter?: (info: { section: SectionListData<ItemT> }) => React.ReactElement | null;
+
+    /**
+     * An array of objects with data for each section.
+     */
+    sections: ReadonlyArray<SectionListData<ItemT>>;
+
+    /**
+     * Render a custom scroll component, e.g. with a differently styled `RefreshControl`.
+     */
+    renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>;
+
+    /**
+     * Note: may have bugs (missing content) in some circumstances - use at your own risk.
+     *
+     * This may improve scroll performance for large lists.
+     */
+    removeClippedSubviews?: boolean;
+
+    /**
+     * Makes section headers stick to the top of the screen until the next one pushes it off.
+     * Only enabled by default on iOS because that is the platform standard there.
+     */
+    stickySectionHeadersEnabled?: boolean;
 
-  /**
-   * Returns an profiled version of the input function. For example, you can:
-   * JSON.parse = Systrace.measure('JSON', 'parse', JSON.parse);
-   *
-   * @return replacement function
-   */
-  measure<T extends Function>(objName: string, fnName: string, func: T): T
+    /**
+     * Uses legacy MetroListView instead of default VirtualizedSectionList
+     */
+    legacyImplementation?: boolean;
 }
 
-/**
- * //FIXME: Could not find docs. Inferred from examples and jscode : ListViewDataSource.js
- */
-export interface DataSourceAssetCallback {
-  rowHasChanged?: (r1: any, r2: any) => boolean
-  sectionHeaderHasChanged?: (h1: any, h2: any) => boolean
-  getRowData?: (dataBlob: any, sectionID: number | string, rowID: number | string) => any
-  getSectionHeaderData?: (dataBlob: any, sectionID: number | string) => any
+export interface SectionListScrollParams {
+    animated?: boolean;
+    itemIndex: number;
+    sectionIndex: number;
+    viewOffset?: number;
+    viewPosition?: number;
 }
 
-/**
- * Provides efficient data processing and access to the
- * `ListView` component.  A `ListViewDataSource` is created with functions for
- * extracting data from the input blob, and comparing elements (with default
- * implementations for convenience).  The input blob can be as simple as an
- * array of strings, or an object with rows nested inside section objects.
- *
- * To update the data in the datasource, use `cloneWithRows` (or
- * `cloneWithRowsAndSections` if you care about sections).  The data in the
- * data source is immutable, so you can't modify it directly.  The clone methods
- * suck in the new data and compute a diff for each row so ListView knows
- * whether to re-render it or not.
- */
-export interface ListViewDataSource {
-  /**
-   * You can provide custom extraction and `hasChanged` functions for section
-   * headers and rows.  If absent, data will be extracted with the
-   * `defaultGetRowData` and `defaultGetSectionHeaderData` functions.
-   *
-   * The default extractor expects data of one of the following forms:
-   *
-   *      { sectionID_1: { rowID_1: <rowData1>, ... }, ... }
-   *
-   *    or
-   *
-   *      { sectionID_1: [ <rowData1>, <rowData2>, ... ], ... }
-   *
-   *    or
-   *
-   *      [ [ <rowData1>, <rowData2>, ... ], ... ]
-   *
-   * The constructor takes in a params argument that can contain any of the
-   * following:
-   *
-   * - getRowData(dataBlob, sectionID, rowID);
-   * - getSectionHeaderData(dataBlob, sectionID);
-   * - rowHasChanged(prevRowData, nextRowData);
-   * - sectionHeaderHasChanged(prevSectionData, nextSectionData);
-   */
-  new (onAsset: DataSourceAssetCallback): ListViewDataSource
-
-  /**
-   * Clones this `ListViewDataSource` with the specified `dataBlob` and
-   * `rowIdentities`. The `dataBlob` is just an aribitrary blob of data. At
-   * construction an extractor to get the interesting informatoin was defined
-   * (or the default was used).
-   *
-   * The `rowIdentities` is is a 2D array of identifiers for rows.
-   * ie. [['a1', 'a2'], ['b1', 'b2', 'b3'], ...].  If not provided, it's
-   * assumed that the keys of the section data are the row identities.
-   *
-   * Note: This function does NOT clone the data in this data source. It simply
-   * passes the functions defined at construction to a new data source with
-   * the data specified. If you wish to maintain the existing data you must
-   * handle merging of old and new data separately and then pass that into
-   * this function as the `dataBlob`.
-   */
-  cloneWithRows(
-    dataBlob: Array<any> | {[key: string]: any},
-    rowIdentities?: Array<string | number>
-  ): ListViewDataSource
-
-  /**
-   * This performs the same function as the `cloneWithRows` function but here
-   * you also specify what your `sectionIdentities` are. If you don't care
-   * about sections you should safely be able to use `cloneWithRows`.
-   *
-   * `sectionIdentities` is an array of identifiers for  sections.
-   * ie. ['s1', 's2', ...].  If not provided, it's assumed that the
-   * keys of dataBlob are the section identities.
-   *
-   * Note: this returns a new object!
-   */
-  cloneWithRowsAndSections(
-    dataBlob: Array<any> | {[key: string]: any},
-    sectionIdentities?: Array<string | number>,
-    rowIdentities?: Array<Array<string | number>>
-  ): ListViewDataSource
-
-  getRowCount(): number
-  getRowAndSectionCount(): number
-
-  /**
-   * Returns if the row is dirtied and needs to be rerendered
-   */
-  rowShouldUpdate(sectionIndex: number, rowIndex: number): boolean
-
-  /**
-   * Gets the data required to render the row.
-   */
-  getRowData(sectionIndex: number, rowIndex: number): any
-
-  /**
-   * Gets the rowID at index provided if the dataSource arrays were flattened,
-   * or null of out of range indexes.
-   */
-  getRowIDForFlatIndex(index: number): string
-
-  /**
-   * Gets the sectionID at index provided if the dataSource arrays were flattened,
-   * or null for out of range indexes.
-   */
-  getSectionIDForFlatIndex(index: number): string
-
-  /**
-   * Returns an array containing the number of rows in each section
-   */
-  getSectionLengths(): Array<number>
-
-  /**
-   * Returns if the section header is dirtied and needs to be rerendered
-   */
-  sectionHeaderShouldUpdate(sectionIndex: number): boolean
-
-  /**
-   * Gets the data required to render the section header
-   */
-  getSectionHeaderData(sectionIndex: number): any
+export interface SectionListStatic<SectionT> extends React.ComponentClass<SectionListProps<SectionT>> {
+    /**
+     * Scrolls to the item at the specified sectionIndex and itemIndex (within the section)
+     * positioned in the viewable area such that viewPosition 0 places it at the top
+     * (and may be covered by a sticky header), 1 at the bottom, and 0.5 centered in the middle.
+     */
+    scrollToLocation?(params: SectionListScrollParams): void;
 }
 
 /**
- * @see https://facebook.github.io/react-native/docs/tabbarios-item.html#props
+ * @see https://facebook.github.io/react-native/docs/virtualizedlist.html#props
  */
-export interface TabBarIOSItemProps extends ViewProps {
-  /**
-   * Little red bubble that sits at the top right of the icon.
-   */
-  badge?: string | number
-
-  /**
-   * Background color for the badge. Available since iOS 10.
-   */
-  badgeColor?: string
-
-  /**
-   * A custom icon for the tab. It is ignored when a system icon is defined.
-   */
-  icon?: ImageURISource
-
-  /**
-   * Callback when this tab is being selected,
-   * you should change the state of your component to set selected={true}.
-   */
-  onPress?: () => void
-
-  /**
-   * If set to true it renders the image as original,
-   * it defaults to being displayed as a template
-   */
-  renderAsOriginal?: boolean
-
-  /**
-   * It specifies whether the children are visible or not. If you see a blank content, you probably forgot to add a selected one.
-   */
-  selected?: boolean
-
-  /**
-   * A custom icon when the tab is selected.
-   * It is ignored when a system icon is defined. If left empty, the icon will be tinted in blue.
-   */
-  selectedIcon?: ImageURISource
-
-  /**
-   * React style object.
-   */
-  style?: StyleProp<ViewStyle>
-
-  /**
-   * Items comes with a few predefined system icons.
-   * Note that if you are using them, the title and selectedIcon will be overriden with the system ones.
-   *
-   *  enum('bookmarks', 'contacts', 'downloads', 'favorites', 'featured', 'history', 'more', 'most-recent', 'most-viewed', 'recents', 'search', 'top-rated')
-   */
-  systemIcon?:
-    | 'bookmarks'
-    | 'contacts'
-    | 'downloads'
-    | 'favorites'
-    | 'featured'
-    | 'history'
-    | 'more'
-    | 'most-recent'
-    | 'most-viewed'
-    | 'recents'
-    | 'search'
-    | 'top-rated'
-
-  /**
-   * Text that appears under the icon. It is ignored when a system icon is defined.
-   */
-  title?: string
+export interface VirtualizedListProps<ItemT> extends VirtualizedListWithoutRenderItemProps<ItemT> {
+    renderItem: ListRenderItem<ItemT>;
 }
 
-export class TabBarIOSItem extends React.Component<TabBarIOSItemProps> {}
+export interface VirtualizedListWithoutRenderItemProps<ItemT> extends ScrollViewProps {
+    /**
+     * Rendered when the list is empty. Can be a React Component Class, a render function, or
+     * a rendered element.
+     */
+    ListEmptyComponent?: React.ComponentType<any> | React.ReactElement | null;
+
+    /**
+     * Rendered at the bottom of all the items. Can be a React Component Class, a render function, or
+     * a rendered element.
+     */
+    ListFooterComponent?: React.ComponentType<any> | React.ReactElement | null;
+
+    /**
+     * Rendered at the top of all the items. Can be a React Component Class, a render function, or
+     * a rendered element.
+     */
+    ListHeaderComponent?: React.ComponentType<any> | React.ReactElement | null;
+
+    /**
+     * The default accessor functions assume this is an Array<{key: string}> but you can override
+     * getItem, getItemCount, and keyExtractor to handle any type of index-based data.
+     */
+    data?: any;
+
+    /**
+     * `debug` will turn on extra logging and visual overlays to aid with debugging both usage and
+     * implementation, but with a significant perf hit.
+     */
+    debug?: boolean;
+
+    /**
+     * DEPRECATED: Virtualization provides significant performance and memory optimizations, but fully
+     * unmounts react instances that are outside of the render window. You should only need to disable
+     * this for debugging purposes.
+     */
+    disableVirtualization?: boolean;
+
+    /**
+     * A marker property for telling the list to re-render (since it implements `PureComponent`). If
+     * any of your `renderItem`, Header, Footer, etc. functions depend on anything outside of the
+     * `data` prop, stick it here and treat it immutably.
+     */
+    extraData?: any;
+
+    /**
+     * A generic accessor for extracting an item from any sort of data blob.
+     */
+    getItem?: (data: any, index: number) => ItemT;
+
+    /**
+     * Determines how many items are in the data blob.
+     */
+    getItemCount?: (data: any) => number;
+
+    getItemLayout?: (
+        data: any,
+        index: number
+    ) => {
+        length: number;
+        offset: number;
+        index: number;
+    };
+
+    horizontal?: boolean;
+
+    /**
+     * How many items to render in the initial batch. This should be enough to fill the screen but not
+     * much more. Note these items will never be unmounted as part of the windowed rendering in order
+     * to improve perceived performance of scroll-to-top actions.
+     */
+    initialNumToRender?: number;
+
+    /**
+     * Instead of starting at the top with the first item, start at `initialScrollIndex`. This
+     * disables the "scroll to top" optimization that keeps the first `initialNumToRender` items
+     * always rendered and immediately renders the items starting at this initial index. Requires
+     * `getItemLayout` to be implemented.
+     */
+    initialScrollIndex?: number;
+
+    /**
+     * Reverses the direction of scroll. Uses scale transforms of -1.
+     */
+    inverted?: boolean;
+
+    keyExtractor?: (item: ItemT, index: number) => string;
+
+    listKey?: string;
+
+    /**
+     * The maximum number of items to render in each incremental render batch. The more rendered at
+     * once, the better the fill rate, but responsiveness my suffer because rendering content may
+     * interfere with responding to button taps or other interactions.
+     */
+    maxToRenderPerBatch?: number;
+
+    onEndReached?: ((info: { distanceFromEnd: number }) => void) | null;
+
+    onEndReachedThreshold?: number | null;
+
+    onLayout?: (event: LayoutChangeEvent) => void;
+
+    /**
+     * If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality. Make
+     * sure to also set the `refreshing` prop correctly.
+     */
+    onRefresh?: (() => void) | null;
+
+    /**
+     * Used to handle failures when scrolling to an index that has not been measured yet.
+     * Recommended action is to either compute your own offset and `scrollTo` it, or scroll as far
+     * as possible and then try again after more items have been rendered.
+     */
+    onScrollToIndexFailed?: (
+        info: {
+            index: number;
+            highestMeasuredFrameIndex: number;
+            averageItemLength: number;
+        }
+    ) => void;
+
+    /**
+     * Called when the viewability of rows changes, as defined by the
+     * `viewabilityConfig` prop.
+     */
+    onViewableItemsChanged?: ((info: { viewableItems: Array<ViewToken>; changed: Array<ViewToken> }) => void) | null;
+
+    /**
+     * Set this when offset is needed for the loading indicator to show correctly.
+     * @platform android
+     */
+    progressViewOffset?: number;
+
+    /**
+     * Set this true while waiting for new data from a refresh.
+     */
+    refreshing?: boolean | null;
+
+    /**
+     * Note: may have bugs (missing content) in some circumstances - use at your own risk.
+     *
+     * This may improve scroll performance for large lists.
+     */
+    removeClippedSubviews?: boolean;
+
+    /**
+     * Render a custom scroll component, e.g. with a differently styled `RefreshControl`.
+     */
+    renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>;
+
+    /**
+     * Amount of time between low-pri item render batches, e.g. for rendering items quite a ways off
+     * screen. Similar fill rate/responsiveness tradeoff as `maxToRenderPerBatch`.
+     */
+    updateCellsBatchingPeriod?: number;
+
+    viewabilityConfig?: ViewabilityConfig;
+
+    viewabilityConfigCallbackPairs?: ViewabilityConfigCallbackPairs;
+
+    /**
+     * Determines the maximum number of items rendered outside of the visible area, in units of
+     * visible lengths. So if your list fills the screen, then `windowSize={21}` (the default) will
+     * render the visible screen area plus up to 10 screens above and 10 below the viewport. Reducing
+     * this number will reduce memory consumption and may improve performance, but will increase the
+     * chance that fast scrolling may reveal momentary blank areas of unrendered content.
+     */
+    windowSize?: number;
+}
 
 /**
- * @see https://facebook.github.io/react-native/docs/tabbarios.html#props
+ * @see https://facebook.github.io/react-native/docs/listview.html#props
  */
-export interface TabBarIOSProps extends ViewProps {
-  /**
-   * Background color of the tab bar
-   */
-  barTintColor?: string
-
-  /**
-   * Specifies tab bar item positioning. Available values are:
-   * - fill - distributes items across the entire width of the tab bar
-   * - center - centers item in the available tab bar space
-   * - auto (default) - distributes items dynamically according to the
-   * user interface idiom. In a horizontally compact environment (e.g. iPhone 5)
-   * this value defaults to `fill`, in a horizontally regular one (e.g. iPad)
-   * it defaults to center.
-   */
-  itemPositioning?: 'fill' | 'center' | 'auto'
-
-  /**
-   * Color of the currently selected tab icon
-   */
-  tintColor?: string
-
-  /**
-   * A Boolean value that indicates whether the tab bar is translucent
-   */
-  translucent?: boolean
-
-  /**
-   * Color of text on unselected tabs
-   */
-  unselectedTintColor?: string
-
-  /**
-   * Color of unselected tab icons. Available since iOS 10.
-   */
-  unselectedItemTintColor?: string
-}
+export interface ListViewProps extends ScrollViewProps {
+    /**
+     * An instance of [ListView.DataSource](docs/listviewdatasource.html) to use
+     */
+    dataSource: ListViewDataSource;
 
-export class TabBarIOS extends React.Component<TabBarIOSProps> {
-  static Item: typeof TabBarIOSItem
-}
+    /**
+     * Flag indicating whether empty section headers should be rendered.
+     * In the future release empty section headers will be rendered by
+     * default, and the flag will be deprecated. If empty sections are not
+     * desired to be rendered their indices should be excluded from
+     * sectionID object.
+     */
+    enableEmptySections?: boolean;
 
-export interface PixelRatioStatic {
-  /*
-        Returns the device pixel density. Some examples:
-            PixelRatio.get() === 1
-            mdpi Android devices (160 dpi)
-            PixelRatio.get() === 1.5
-            hdpi Android devices (240 dpi)
-            PixelRatio.get() === 2
-            iPhone 4, 4S
-            iPhone 5, 5c, 5s
-            iPhone 6
-            xhdpi Android devices (320 dpi)
-            PixelRatio.get() === 3
-            iPhone 6 plus
-            xxhdpi Android devices (480 dpi)
-            PixelRatio.get() === 3.5
-            Nexus 6
-    */
-  get(): number
+    /**
+     * How many rows to render on initial component mount.  Use this to make
+     * it so that the first screen worth of data apears at one time instead of
+     * over the course of multiple frames.
+     */
+    initialListSize?: number;
 
-  /*
-        Returns the scaling factor for font sizes. This is the ratio that is
-        used to calculate the absolute font size, so any elements that
-        heavily depend on that should use this to do calculations.
+    /**
+     * (visibleRows, changedRows) => void
+     *
+     * Called when the set of visible rows changes.  `visibleRows` maps
+     * { sectionID: { rowID: true }} for all the visible rows, and
+     * `changedRows` maps { sectionID: { rowID: true | false }} for the rows
+     * that have changed their visibility, with true indicating visible, and
+     * false indicating the view has moved out of view.
+     */
+    onChangeVisibleRows?: (
+        visibleRows: Array<{ [sectionId: string]: { [rowID: string]: boolean } }>,
+        changedRows: Array<{ [sectionId: string]: { [rowID: string]: boolean } }>
+    ) => void;
 
-        If a font scale is not set, this returns the device pixel ratio.
+    /**
+     * Called when all rows have been rendered and the list has been scrolled
+     * to within onEndReachedThreshold of the bottom.  The native scroll
+     * event is provided.
+     */
+    onEndReached?: () => void;
 
-        Currently this is only implemented on Android and reflects the user
-        preference set in Settings > Display > Font size,
-        on iOS it will always return the default pixel ratio.
-        */
-  getFontScale(): number
+    /**
+     * Threshold in pixels for onEndReached.
+     */
+    onEndReachedThreshold?: number;
+
+    /**
+     * Number of rows to render per event loop.
+     */
+    pageSize?: number;
+
+    /**
+     * A performance optimization for improving scroll perf of
+     * large lists, used in conjunction with overflow: 'hidden' on the row
+     * containers.  Use at your own risk.
+     */
+    removeClippedSubviews?: boolean;
+
+    /**
+     * () => renderable
+     *
+     * The header and footer are always rendered (if these props are provided)
+     * on every render pass.  If they are expensive to re-render, wrap them
+     * in StaticContainer or other mechanism as appropriate.  Footer is always
+     * at the bottom of the list, and header at the top, on every render pass.
+     */
+    renderFooter?: () => React.ReactElement;
+
+    /**
+     * () => renderable
+     *
+     * The header and footer are always rendered (if these props are provided)
+     * on every render pass.  If they are expensive to re-render, wrap them
+     * in StaticContainer or other mechanism as appropriate.  Footer is always
+     * at the bottom of the list, and header at the top, on every render pass.
+     */
+    renderHeader?: () => React.ReactElement;
+
+    /**
+     * (rowData, sectionID, rowID) => renderable
+     * Takes a data entry from the data source and its ids and should return
+     * a renderable component to be rendered as the row.  By default the data
+     * is exactly what was put into the data source, but it's also possible to
+     * provide custom extractors.
+     */
+    renderRow: (
+        rowData: any,
+        sectionID: string | number,
+        rowID: string | number,
+        highlightRow?: boolean
+    ) => React.ReactElement;
+
+    /**
+     * A function that returns the scrollable component in which the list rows are rendered.
+     * Defaults to returning a ScrollView with the given props.
+     */
+    renderScrollComponent?: (props: ScrollViewProps) => React.ReactElement<ScrollViewProps>;
+
+    /**
+     * (sectionData, sectionID) => renderable
+     *
+     * If provided, a sticky header is rendered for this section.  The sticky
+     * behavior means that it will scroll with the content at the top of the
+     * section until it reaches the top of the screen, at which point it will
+     * stick to the top until it is pushed off the screen by the next section
+     * header.
+     */
+    renderSectionHeader?: (sectionData: any, sectionId: string | number) => React.ReactElement;
+
+    /**
+     * (sectionID, rowID, adjacentRowHighlighted) => renderable
+     * If provided, a renderable component to be rendered as the separator below each row
+     * but not the last row if there is a section header below.
+     * Take a sectionID and rowID of the row above and whether its adjacent row is highlighted.
+     */
+    renderSeparator?: (
+        sectionID: string | number,
+        rowID: string | number,
+        adjacentRowHighlighted?: boolean
+    ) => React.ReactElement;
+
+    /**
+     * How early to start rendering rows before they come on screen, in
+     * pixels.
+     */
+    scrollRenderAheadDistance?: number;
+
+    /**
+     * An array of child indices determining which children get docked to the
+     * top of the screen when scrolling. For example, passing
+     * `stickyHeaderIndices={[0]}` will cause the first child to be fixed to the
+     * top of the scroll view. This property is not supported in conjunction
+     * with `horizontal={true}`.
+     * @platform ios
+     */
+    stickyHeaderIndices?: number[];
+
+    /**
+     * Makes the sections headers sticky. The sticky behavior means that it will scroll with the
+     * content at the top of the section until it reaches the top of the screen, at which point it
+     * will stick to the top until it is pushed off the screen by the next section header. This
+     * property is not supported in conjunction with `horizontal={true}`. Only enabled by default
+     * on iOS because of typical platform standards.
+     */
+    stickySectionHeadersEnabled?: boolean;
+}
+
+interface TimerMixin {
+    setTimeout: typeof setTimeout;
+    clearTimeout: typeof clearTimeout;
+    setInterval: typeof setInterval;
+    clearInterval: typeof clearInterval;
+    setImmediate: typeof setImmediate;
+    clearImmediate: typeof clearImmediate;
+    requestAnimationFrame: typeof requestAnimationFrame;
+    cancelAnimationFrame: typeof cancelAnimationFrame;
+}
+
+declare class ListViewComponent extends React.Component<ListViewProps> {}
+declare const ListViewBase: Constructor<ScrollResponderMixin> & Constructor<TimerMixin> & typeof ListViewComponent;
+export class ListView extends ListViewBase {
+    static DataSource: ListViewDataSource;
+
+    /**
+     * Exports some data, e.g. for perf investigations or analytics.
+     */
+    getMetrics: () => {
+        contentLength: number;
+        totalRows: number;
+        renderedRows: number;
+        visibleRows: number;
+    };
+
+    /**
+     * Provides a handle to the underlying scroll responder.
+     */
+    getScrollResponder: () => any;
+
+    /**
+     * Scrolls to a given x, y offset, either immediately or with a smooth animation.
+     *
+     * See `ScrollView#scrollTo`.
+     */
+    scrollTo: (y?: number | { x?: number; y?: number; animated?: boolean }, x?: number, animated?: boolean) => void;
+}
+
+interface MaskedViewIOSProps extends ViewProps {
+    maskElement: React.ReactElement;
+}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/maskedviewios.html
+ */
+declare class MaskedViewComponent extends React.Component<MaskedViewIOSProps> {}
+declare const MaskedViewBase: Constructor<NativeMethodsMixin> & typeof MaskedViewComponent;
+export class MaskedViewIOS extends MaskedViewBase {}
+
+export interface ModalBaseProps {
+    // Only `animated` is documented. The JS code says `animated` is
+    // deprecated and `animationType` is preferred.
+    animated?: boolean;
+    /**
+     * The `animationType` prop controls how the modal animates.
+     *
+     * - `slide` slides in from the bottom
+     * - `fade` fades into view
+     * - `none` appears without an animation
+     */
+    animationType?: "none" | "slide" | "fade";
+    /**
+     * The `transparent` prop determines whether your modal will fill the entire view.
+     * Setting this to `true` will render the modal over a transparent background.
+     */
+    transparent?: boolean;
+    /**
+     * The `visible` prop determines whether your modal is visible.
+     */
+    visible?: boolean;
+    /**
+     * The `onRequestClose` prop allows passing a function that will be called once the modal has been dismissed.
+     * _On the Android platform, this is a required function._
+     */
+    onRequestClose?: () => void;
+    /**
+     * The `onShow` prop allows passing a function that will be called once the modal has been shown.
+     */
+    onShow?: (event: NativeSyntheticEvent<any>) => void;
+}
+
+export interface ModalPropsIOS {
+    /**
+     * The `presentationStyle` determines the style of modal to show
+     */
+    presentationStyle?: "fullScreen" | "pageSheet" | "formSheet" | "overFullScreen";
+
+    /**
+     * The `supportedOrientations` prop allows the modal to be rotated to any of the specified orientations.
+     * On iOS, the modal is still restricted by what's specified in your app's Info.plist's UISupportedInterfaceOrientations field.
+     */
+    supportedOrientations?: Array<
+        "portrait" | "portrait-upside-down" | "landscape" | "landscape-left" | "landscape-right"
+    >;
+
+    /**
+     * The `onDismiss` prop allows passing a function that will be called once the modal has been dismissed.
+     */
+    onDismiss?: () => void;
+
+    /**
+     * The `onOrientationChange` callback is called when the orientation changes while the modal is being displayed.
+     * The orientation provided is only 'portrait' or 'landscape'. This callback is also called on initial render, regardless of the current orientation.
+     */
+    onOrientationChange?: (event: NativeSyntheticEvent<any>) => void;
+}
+
+export interface ModalPropsAndroid {
+    /**
+     *  Controls whether to force hardware acceleration for the underlying window.
+     */
+    hardwareAccelerated?: boolean;
+}
+
+export type ModalProps = ModalBaseProps & ModalPropsIOS & ModalPropsAndroid;
+
+export class Modal extends React.Component<ModalProps> {}
+
+/**
+ * @see https://github.com/facebook/react-native/blob/0.34-stable\Libraries\Components\Touchable\Touchable.js
+ */
+interface TouchableMixin {
+    /**
+     * Invoked when the item should be highlighted. Mixers should implement this
+     * to visually distinguish the `VisualRect` so that the user knows that
+     * releasing a touch will result in a "selection" (analog to click).
+     */
+    touchableHandleActivePressIn(e: GestureResponderEvent): void;
+
+    /**
+     * Invoked when the item is "active" (in that it is still eligible to become
+     * a "select") but the touch has left the `PressRect`. Usually the mixer will
+     * want to unhighlight the `VisualRect`. If the user (while pressing) moves
+     * back into the `PressRect` `touchableHandleActivePressIn` will be invoked
+     * again and the mixer should probably highlight the `VisualRect` again. This
+     * event will not fire on an `touchEnd/mouseUp` event, only move events while
+     * the user is depressing the mouse/touch.
+     */
+    touchableHandleActivePressOut(e: GestureResponderEvent): void;
+
+    /**
+     * Invoked when the item is "selected" - meaning the interaction ended by
+     * letting up while the item was either in the state
+     * `RESPONDER_ACTIVE_PRESS_IN` or `RESPONDER_INACTIVE_PRESS_IN`.
+     */
+    touchableHandlePress(e: GestureResponderEvent): void;
+
+    /**
+     * Invoked when the item is long pressed - meaning the interaction ended by
+     * letting up while the item was in `RESPONDER_ACTIVE_LONG_PRESS_IN`. If
+     * `touchableHandleLongPress` is *not* provided, `touchableHandlePress` will
+     * be called as it normally is. If `touchableHandleLongPress` is provided, by
+     * default any `touchableHandlePress` callback will not be invoked. To
+     * override this default behavior, override `touchableLongPressCancelsPress`
+     * to return false. As a result, `touchableHandlePress` will be called when
+     * lifting up, even if `touchableHandleLongPress` has also been called.
+     */
+    touchableHandleLongPress(e: GestureResponderEvent): void;
+
+    /**
+     * Returns the amount to extend the `HitRect` into the `PressRect`. Positive
+     * numbers mean the size expands outwards.
+     */
+    touchableGetPressRectOffset(): Insets;
+
+    /**
+     * Returns the number of millis to wait before triggering a highlight.
+     */
+    touchableGetHighlightDelayMS(): number;
+
+    // These methods are undocumented but still being used by TouchableMixin internals
+    touchableGetLongPressDelayMS(): number;
+    touchableGetPressOutDelayMS(): number;
+    touchableGetHitSlop(): Insets;
+}
+
+export interface TouchableWithoutFeedbackPropsIOS {
+    /**
+     * *(Apple TV only)* TV preferred focus (see documentation for the View component).
+     *
+     * @platform ios
+     */
+    hasTVPreferredFocus?: boolean;
+
+    /**
+     * *(Apple TV only)* Object with properties to control Apple TV parallax effects.
+     *
+     * enabled: If true, parallax effects are enabled.  Defaults to true.
+     * shiftDistanceX: Defaults to 2.0.
+     * shiftDistanceY: Defaults to 2.0.
+     * tiltAngle: Defaults to 0.05.
+     * magnification: Defaults to 1.0.
+     * pressMagnification: Defaults to 1.0.
+     * pressDuration: Defaults to 0.3.
+     * pressDelay: Defaults to 0.0.
+     *
+     * @platform ios
+     */
+    tvParallaxProperties?: TVParallaxProperties;
+}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/touchablewithoutfeedback.html#props
+ */
+export interface TouchableWithoutFeedbackProps extends TouchableWithoutFeedbackPropsIOS, AccessibilityProps {
+    /**
+     * Delay in ms, from onPressIn, before onLongPress is called.
+     */
+    delayLongPress?: number;
+
+    /**
+     * Delay in ms, from the start of the touch, before onPressIn is called.
+     */
+    delayPressIn?: number;
+
+    /**
+     * Delay in ms, from the release of the touch, before onPressOut is called.
+     */
+    delayPressOut?: number;
+
+    /**
+     * If true, disable all interactions for this component.
+     */
+    disabled?: boolean;
+
+    /**
+     * This defines how far your touch can start away from the button.
+     * This is added to pressRetentionOffset when moving off of the button.
+     * NOTE The touch area never extends past the parent view bounds and
+     * the Z-index of sibling views always takes precedence if a touch hits
+     * two overlapping views.
+     */
+    hitSlop?: Insets;
+
+    /**
+     * When `accessible` is true (which is the default) this may be called when
+     * the OS-specific concept of "blur" occurs, meaning the element lost focus.
+     * Some platforms may not have the concept of blur.
+     */
+    onBlur?: (e: NativeSyntheticEvent<TargetedEvent>) => void;
+
+    /**
+     * When `accessible` is true (which is the default) this may be called when
+     * the OS-specific concept of "focus" occurs. Some platforms may not have
+     * the concept of focus.
+     */
+    onFocus?: (e: NativeSyntheticEvent<TargetedEvent>) => void;
+
+    /**
+     * Invoked on mount and layout changes with
+     * {nativeEvent: {layout: {x, y, width, height}}}
+     */
+    onLayout?: (event: LayoutChangeEvent) => void;
+
+    onLongPress?: (event: GestureResponderEvent) => void;
+
+    /**
+     * Called when the touch is released,
+     * but not if cancelled (e.g. by a scroll that steals the responder lock).
+     */
+    onPress?: (event: GestureResponderEvent) => void;
+
+    onPressIn?: (event: GestureResponderEvent) => void;
+
+    onPressOut?: (event: GestureResponderEvent) => void;
+
+    /**
+     * //FIXME: not in doc but available in examples
+     */
+    style?: StyleProp<ViewStyle>;
+
+    /**
+     * When the scroll view is disabled, this defines how far your
+     * touch may move off of the button, before deactivating the button.
+     * Once deactivated, try moving it back and you'll see that the button
+     * is once again reactivated! Move it back and forth several times
+     * while the scroll view is disabled. Ensure you pass in a constant
+     * to reduce memory allocations.
+     */
+    pressRetentionOffset?: Insets;
+
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
+}
+
+/**
+ * Do not use unless you have a very good reason.
+ * All the elements that respond to press should have a visual feedback when touched.
+ * This is one of the primary reason a "web" app doesn't feel "native".
+ *
+ * @see https://facebook.github.io/react-native/docs/touchablewithoutfeedback.html
+ */
+declare class TouchableWithoutFeedbackComponent extends React.Component<TouchableWithoutFeedbackProps> {}
+declare const TouchableWithoutFeedbackBase: Constructor<TimerMixin> &
+    Constructor<TouchableMixin> &
+    typeof TouchableWithoutFeedbackComponent;
+export class TouchableWithoutFeedback extends TouchableWithoutFeedbackBase {}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/touchablehighlight.html#props
+ */
+export interface TouchableHighlightProps extends TouchableWithoutFeedbackProps {
+    /**
+     * Determines what the opacity of the wrapped view should be when touch is active.
+     */
+    activeOpacity?: number;
+
+    /**
+     *
+     * Called immediately after the underlay is hidden
+     */
+    onHideUnderlay?: () => void;
+
+    /**
+     * Called immediately after the underlay is shown
+     */
+    onShowUnderlay?: () => void;
+
+    /**
+     * @see https://facebook.github.io/react-native/docs/view.html#style
+     */
+    style?: StyleProp<ViewStyle>;
+
+    /**
+     * The color of the underlay that will show through when the touch is active.
+     */
+    underlayColor?: string;
+}
+
+/**
+ * A wrapper for making views respond properly to touches.
+ * On press down, the opacity of the wrapped view is decreased,
+ * which allows the underlay color to show through, darkening or tinting the view.
+ * The underlay comes from adding a view to the view hierarchy,
+ * which can sometimes cause unwanted visual artifacts if not used correctly,
+ * for example if the backgroundColor of the wrapped view isn't explicitly set to an opaque color.
+ *
+ * NOTE: TouchableHighlight supports only one child
+ * If you wish to have several child components, wrap them in a View.
+ *
+ * @see https://facebook.github.io/react-native/docs/touchablehighlight.html
+ */
+declare class TouchableHighlightComponent extends React.Component<TouchableHighlightProps> {}
+declare const TouchableHighlightBase: Constructor<NativeMethodsMixin> &
+    Constructor<TimerMixin> &
+    Constructor<TouchableMixin> &
+    typeof TouchableHighlightComponent;
+export class TouchableHighlight extends TouchableHighlightBase {}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/touchableopacity.html#props
+ */
+export interface TouchableOpacityProps extends TouchableWithoutFeedbackProps {
+    /**
+     * Determines what the opacity of the wrapped view should be when touch is active.
+     * Defaults to 0.2
+     */
+    activeOpacity?: number;
+}
+
+/**
+ * A wrapper for making views respond properly to touches.
+ * On press down, the opacity of the wrapped view is decreased, dimming it.
+ * This is done without actually changing the view hierarchy,
+ * and in general is easy to add to an app without weird side-effects.
+ *
+ * @see https://facebook.github.io/react-native/docs/touchableopacity.html
+ */
+declare class TouchableOpacityComponent extends React.Component<TouchableOpacityProps> {}
+declare const TouchableOpacityBase: Constructor<TimerMixin> &
+    Constructor<TouchableMixin> &
+    Constructor<NativeMethodsMixin> &
+    typeof TouchableOpacityComponent;
+export class TouchableOpacity extends TouchableOpacityBase {
+    /**
+     * Animate the touchable to a new opacity.
+     */
+    setOpacityTo: (value: number) => void;
+}
+
+interface BaseBackgroundPropType {
+    type: string;
+}
+
+interface RippleBackgroundPropType extends BaseBackgroundPropType {
+    type: "RippleAndroid";
+    color?: number;
+    borderless?: boolean;
+}
+
+interface ThemeAttributeBackgroundPropType extends BaseBackgroundPropType {
+    type: "ThemeAttrAndroid";
+    attribute: string;
+}
+
+type BackgroundPropType = RippleBackgroundPropType | ThemeAttributeBackgroundPropType;
+
+/**
+ * @see https://facebook.github.io/react-native/docs/touchableopacity.html#props
+ */
+export interface TouchableNativeFeedbackProps extends TouchableWithoutFeedbackProps {
+    /**
+     * Determines the type of background drawable that's going to be used to display feedback.
+     * It takes an object with type property and extra data depending on the type.
+     * It's recommended to use one of the following static methods to generate that dictionary:
+     *      1) TouchableNativeFeedback.SelectableBackground() - will create object that represents android theme's
+     *         default background for selectable elements (?android:attr/selectableItemBackground)
+     *      2) TouchableNativeFeedback.SelectableBackgroundBorderless() - will create object that represent android
+     *         theme's default background for borderless selectable elements
+     *         (?android:attr/selectableItemBackgroundBorderless). Available on android API level 21+
+     *      3) TouchableNativeFeedback.Ripple(color, borderless) - will create object that represents ripple drawable
+     *         with specified color (as a string). If property borderless evaluates to true the ripple will render
+     *         outside of the view bounds (see native actionbar buttons as an example of that behavior). This background
+     *         type is available on Android API level 21+
+     */
+    background?: BackgroundPropType;
+    useForeground?: boolean;
+}
+
+/**
+ * A wrapper for making views respond properly to touches (Android only).
+ * On Android this component uses native state drawable to display touch feedback.
+ * At the moment it only supports having a single View instance as a child node,
+ * as it's implemented by replacing that View with another instance of RCTView node with some additional properties set.
+ *
+ * Background drawable of native feedback touchable can be customized with background property.
+ *
+ * @see https://facebook.github.io/react-native/docs/touchablenativefeedback.html#content
+ */
+declare class TouchableNativeFeedbackComponent extends React.Component<TouchableNativeFeedbackProps> {}
+declare const TouchableNativeFeedbackBase: Constructor<TouchableMixin> & typeof TouchableNativeFeedbackComponent;
+export class TouchableNativeFeedback extends TouchableNativeFeedbackBase {
+    /**
+     * Creates an object that represents android theme's default background for
+     * selectable elements (?android:attr/selectableItemBackground).
+     */
+    static SelectableBackground(): ThemeAttributeBackgroundPropType;
+
+    /**
+     * Creates an object that represent android theme's default background for borderless
+     * selectable elements (?android:attr/selectableItemBackgroundBorderless).
+     * Available on android API level 21+.
+     */
+    static SelectableBackgroundBorderless(): ThemeAttributeBackgroundPropType;
+
+    /**
+     * Creates an object that represents ripple drawable with specified color (as a
+     * string). If property `borderless` evaluates to true the ripple will
+     * render outside of the view bounds (see native actionbar buttons as an
+     * example of that behavior). This background type is available on Android
+     * API level 21+.
+     *
+     * @param color The ripple color
+     * @param borderless If the ripple can render outside it's bounds
+     */
+    static Ripple(color: string, borderless?: boolean): RippleBackgroundPropType;
+    static canUseNativeForeground(): boolean;
+}
+
+export interface Route {
+    component?: React.ComponentType<any>;
+    id?: string;
+    title?: string;
+    passProps?: Object;
+
+    //anything else
+    [key: string]: any;
+
+    //Commonly found properties
+    backButtonTitle?: string;
+    content?: string;
+    message?: string;
+    index?: number;
+    onRightButtonPress?: () => void;
+    rightButtonTitle?: string;
+    wrapperStyle?: any;
+}
+
+interface InteractionMixin {
+    createInteractionHandle(): number;
+    clearInteractionHandle(clearHandle: number): void;
+    /**
+     * Schedule work for after all interactions have completed.
+     *
+     */
+    runAfterInteractions(callback: () => any): void;
+}
+
+interface SubscribableMixin {
+    /**
+     * Special form of calling `addListener` that *guarantees* that a
+     * subscription *must* be tied to a component instance, and therefore will
+     * be cleaned up when the component is unmounted. It is impossible to create
+     * the subscription and pass it in - this method must be the one to create
+     * the subscription and therefore can guarantee it is retained in a way that
+     * will be cleaned up.
+     *
+     * @param eventEmitter emitter to subscribe to.
+     * @param eventType Type of event to listen to.
+     * @param listener Function to invoke when event occurs.
+     * @param context Object to use as listener context.
+     */
+    addListenerOn(eventEmitter: any, eventType: string, listener: () => any, context: any): void;
+}
+
+// @see https://github.com/facebook/react-native/blob/0.34-stable\Libraries\StyleSheet\StyleSheetTypes.js
+export namespace StyleSheet {
+    type NamedStyles<T> = { [P in keyof T]: ViewStyle | TextStyle | ImageStyle };
+
+    /**
+     * Creates a StyleSheet style reference from the given object.
+     */
+    export function create<T extends NamedStyles<T> | NamedStyles<any>>(styles: T | NamedStyles<T>): T;
+
+    /**
+     * Flattens an array of style objects, into one aggregated style object.
+     * Alternatively, this method can be used to lookup IDs, returned by
+     * StyleSheet.register.
+     *
+     * > **NOTE**: Exercise caution as abusing this can tax you in terms of
+     * > optimizations.
+     * >
+     * > IDs enable optimizations through the bridge and memory in general. Refering
+     * > to style objects directly will deprive you of these optimizations.
+     *
+     * Example:
+     * ```
+     * const styles = StyleSheet.create({
+     *   listItem: {
+     *     flex: 1,
+     *     fontSize: 16,
+     *     color: 'white'
+     *   },
+     *   selectedListItem: {
+     *     color: 'green'
+     *   }
+     * });
+     *
+     * StyleSheet.flatten([styles.listItem, styles.selectedListItem])
+     * // returns { flex: 1, fontSize: 16, color: 'green' }
+     * ```
+     * Alternative use:
+     * ```
+     * StyleSheet.flatten(styles.listItem);
+     * // return { flex: 1, fontSize: 16, color: 'white' }
+     * // Simply styles.listItem would return its ID (number)
+     * ```
+     * This method internally uses `StyleSheetRegistry.getStyleByID(style)`
+     * to resolve style objects represented by IDs. Thus, an array of style
+     * objects (instances of StyleSheet.create), are individually resolved to,
+     * their respective objects, merged as one and then returned. This also explains
+     * the alternative use.
+     */
+    export function flatten<T>(style?: StyleProp<T>): T;
+
+    /**
+     * WARNING: EXPERIMENTAL. Breaking changes will probably happen a lot and will
+     * not be reliably announced. The whole thing might be deleted, who knows? Use
+     * at your own risk.
+     *
+     * Sets a function to use to pre-process a style property value. This is used
+     * internally to process color and transform values. You should not use this
+     * unless you really know what you are doing and have exhausted other options.
+     */
+    export function setStyleAttributePreprocessor(property: string, process: (nextProp: any) => any): void;
+
+    /**
+     * This is defined as the width of a thin line on the platform. It can be
+     * used as the thickness of a border or division between two elements.
+     * Example:
+     * ```
+     *   {
+     *     borderBottomColor: '#bbb',
+     *     borderBottomWidth: StyleSheet.hairlineWidth
+     *   }
+     * ```
+     *
+     * This constant will always be a round number of pixels (so a line defined
+     * by it look crisp) and will try to match the standard width of a thin line
+     * on the underlying platform. However, you should not rely on it being a
+     * constant size, because on different platforms and screen densities its
+     * value may be calculated differently.
+     */
+    export const hairlineWidth: number;
+
+    interface AbsoluteFillStyle {
+        position: "absolute";
+        left: 0;
+        right: 0;
+        top: 0;
+        bottom: 0;
+    }
+
+    /**
+     * Sometimes you may want `absoluteFill` but with a couple tweaks - `absoluteFillObject` can be
+     * used to create a customized entry in a `StyleSheet`, e.g.:
+     *
+     *   const styles = StyleSheet.create({
+     *     wrapper: {
+     *       ...StyleSheet.absoluteFillObject,
+     *       top: 10,
+     *       backgroundColor: 'transparent',
+     *     },
+     *   });
+     */
+    export const absoluteFillObject: AbsoluteFillStyle;
+
+    /**
+     * A very common pattern is to create overlays with position absolute and zero positioning,
+     * so `absoluteFill` can be used for convenience and to reduce duplication of these repeated
+     * styles.
+     */
+    export const absoluteFill: RegisteredStyle<AbsoluteFillStyle>;
+}
+
+export interface RelayProfiler {
+    attachProfileHandler(name: string, handler: (name: string, state?: any) => () => void): void;
+
+    attachAggregateHandler(name: string, handler: (name: string, callback: () => void) => void): void;
+}
+
+export interface SystraceStatic {
+    setEnabled(enabled: boolean): void;
+
+    /**
+     * beginEvent/endEvent for starting and then ending a profile within the same call stack frame
+     **/
+    beginEvent(profileName?: any, args?: any): void;
+    endEvent(): void;
+
+    /**
+     * beginAsyncEvent/endAsyncEvent for starting and then ending a profile where the end can either
+     * occur on another thread or out of the current stack frame, eg await
+     * the returned cookie variable should be used as input into the endAsyncEvent call to end the profile
+     **/
+    beginAsyncEvent(profileName?: any): any;
+    endAsyncEvent(profileName?: any, cookie?: any): void;
+
+    /**
+     * counterEvent registers the value to the profileName on the systrace timeline
+     **/
+    counterEvent(profileName?: any, value?: any): void;
+
+    /**
+     * Relay profiles use await calls, so likely occur out of current stack frame
+     * therefore async variant of profiling is used
+     **/
+    attachToRelayProfiler(relayProfiler: RelayProfiler): void;
+
+    /* This is not called by default due to perf overhead but it's useful
+        if you want to find traces which spend too much time in JSON. */
+    swizzleJSON(): void;
+
+    /**
+     * Measures multiple methods of a class. For example, you can do:
+     * Systrace.measureMethods(JSON, 'JSON', ['parse', 'stringify']);
+     *
+     * @param methodNames Map from method names to method display names.
+     */
+    measureMethods(object: any, objectName: string, methodNames: Array<string>): void;
+
+    /**
+     * Returns an profiled version of the input function. For example, you can:
+     * JSON.parse = Systrace.measure('JSON', 'parse', JSON.parse);
+     *
+     * @return replacement function
+     */
+    measure<T extends Function>(objName: string, fnName: string, func: T): T;
+}
+
+/**
+ * //FIXME: Could not find docs. Inferred from examples and jscode : ListViewDataSource.js
+ */
+export interface DataSourceAssetCallback {
+    rowHasChanged?: (r1: any, r2: any) => boolean;
+    sectionHeaderHasChanged?: (h1: any, h2: any) => boolean;
+    getRowData?: (dataBlob: any, sectionID: number | string, rowID: number | string) => any;
+    getSectionHeaderData?: (dataBlob: any, sectionID: number | string) => any;
+}
+
+/**
+ * Provides efficient data processing and access to the
+ * `ListView` component.  A `ListViewDataSource` is created with functions for
+ * extracting data from the input blob, and comparing elements (with default
+ * implementations for convenience).  The input blob can be as simple as an
+ * array of strings, or an object with rows nested inside section objects.
+ *
+ * To update the data in the datasource, use `cloneWithRows` (or
+ * `cloneWithRowsAndSections` if you care about sections).  The data in the
+ * data source is immutable, so you can't modify it directly.  The clone methods
+ * suck in the new data and compute a diff for each row so ListView knows
+ * whether to re-render it or not.
+ */
+export interface ListViewDataSource {
+    /**
+     * You can provide custom extraction and `hasChanged` functions for section
+     * headers and rows.  If absent, data will be extracted with the
+     * `defaultGetRowData` and `defaultGetSectionHeaderData` functions.
+     *
+     * The default extractor expects data of one of the following forms:
+     *
+     *      { sectionID_1: { rowID_1: <rowData1>, ... }, ... }
+     *
+     *    or
+     *
+     *      { sectionID_1: [ <rowData1>, <rowData2>, ... ], ... }
+     *
+     *    or
+     *
+     *      [ [ <rowData1>, <rowData2>, ... ], ... ]
+     *
+     * The constructor takes in a params argument that can contain any of the
+     * following:
+     *
+     * - getRowData(dataBlob, sectionID, rowID);
+     * - getSectionHeaderData(dataBlob, sectionID);
+     * - rowHasChanged(prevRowData, nextRowData);
+     * - sectionHeaderHasChanged(prevSectionData, nextSectionData);
+     */
+    new (onAsset: DataSourceAssetCallback): ListViewDataSource;
+
+    /**
+     * Clones this `ListViewDataSource` with the specified `dataBlob` and
+     * `rowIdentities`. The `dataBlob` is just an aribitrary blob of data. At
+     * construction an extractor to get the interesting informatoin was defined
+     * (or the default was used).
+     *
+     * The `rowIdentities` is is a 2D array of identifiers for rows.
+     * ie. [['a1', 'a2'], ['b1', 'b2', 'b3'], ...].  If not provided, it's
+     * assumed that the keys of the section data are the row identities.
+     *
+     * Note: This function does NOT clone the data in this data source. It simply
+     * passes the functions defined at construction to a new data source with
+     * the data specified. If you wish to maintain the existing data you must
+     * handle merging of old and new data separately and then pass that into
+     * this function as the `dataBlob`.
+     */
+    cloneWithRows(
+        dataBlob: Array<any> | { [key: string]: any },
+        rowIdentities?: Array<string | number>
+    ): ListViewDataSource;
+
+    /**
+     * This performs the same function as the `cloneWithRows` function but here
+     * you also specify what your `sectionIdentities` are. If you don't care
+     * about sections you should safely be able to use `cloneWithRows`.
+     *
+     * `sectionIdentities` is an array of identifiers for  sections.
+     * ie. ['s1', 's2', ...].  If not provided, it's assumed that the
+     * keys of dataBlob are the section identities.
+     *
+     * Note: this returns a new object!
+     */
+    cloneWithRowsAndSections(
+        dataBlob: Array<any> | { [key: string]: any },
+        sectionIdentities?: Array<string | number>,
+        rowIdentities?: Array<Array<string | number>>
+    ): ListViewDataSource;
+
+    getRowCount(): number;
+    getRowAndSectionCount(): number;
+
+    /**
+     * Returns if the row is dirtied and needs to be rerendered
+     */
+    rowShouldUpdate(sectionIndex: number, rowIndex: number): boolean;
+
+    /**
+     * Gets the data required to render the row.
+     */
+    getRowData(sectionIndex: number, rowIndex: number): any;
+
+    /**
+     * Gets the rowID at index provided if the dataSource arrays were flattened,
+     * or null of out of range indexes.
+     */
+    getRowIDForFlatIndex(index: number): string;
+
+    /**
+     * Gets the sectionID at index provided if the dataSource arrays were flattened,
+     * or null for out of range indexes.
+     */
+    getSectionIDForFlatIndex(index: number): string;
+
+    /**
+     * Returns an array containing the number of rows in each section
+     */
+    getSectionLengths(): Array<number>;
+
+    /**
+     * Returns if the section header is dirtied and needs to be rerendered
+     */
+    sectionHeaderShouldUpdate(sectionIndex: number): boolean;
+
+    /**
+     * Gets the data required to render the section header
+     */
+    getSectionHeaderData(sectionIndex: number): any;
+}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/tabbarios-item.html#props
+ */
+export interface TabBarIOSItemProps extends ViewProps {
+    /**
+     * Little red bubble that sits at the top right of the icon.
+     */
+    badge?: string | number;
+
+    /**
+     * Background color for the badge. Available since iOS 10.
+     */
+    badgeColor?: string;
+
+    /**
+     * A custom icon for the tab. It is ignored when a system icon is defined.
+     */
+    icon?: ImageURISource;
+
+    /**
+     * Callback when this tab is being selected,
+     * you should change the state of your component to set selected={true}.
+     */
+    onPress?: () => void;
+
+    /**
+     * If set to true it renders the image as original,
+     * it defaults to being displayed as a template
+     */
+    renderAsOriginal?: boolean;
+
+    /**
+     * It specifies whether the children are visible or not. If you see a blank content, you probably forgot to add a selected one.
+     */
+    selected?: boolean;
+
+    /**
+     * A custom icon when the tab is selected.
+     * It is ignored when a system icon is defined. If left empty, the icon will be tinted in blue.
+     */
+    selectedIcon?: ImageURISource;
+
+    /**
+     * React style object.
+     */
+    style?: StyleProp<ViewStyle>;
+
+    /**
+     * Items comes with a few predefined system icons.
+     * Note that if you are using them, the title and selectedIcon will be overriden with the system ones.
+     *
+     *  enum('bookmarks', 'contacts', 'downloads', 'favorites', 'featured', 'history', 'more', 'most-recent', 'most-viewed', 'recents', 'search', 'top-rated')
+     */
+    systemIcon?:
+        | "bookmarks"
+        | "contacts"
+        | "downloads"
+        | "favorites"
+        | "featured"
+        | "history"
+        | "more"
+        | "most-recent"
+        | "most-viewed"
+        | "recents"
+        | "search"
+        | "top-rated";
+
+    /**
+     * Text that appears under the icon. It is ignored when a system icon is defined.
+     */
+    title?: string;
+}
+
+export class TabBarIOSItem extends React.Component<TabBarIOSItemProps> {}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/tabbarios.html#props
+ */
+export interface TabBarIOSProps extends ViewProps {
+    /**
+     * Background color of the tab bar
+     */
+    barTintColor?: string;
+
+    /**
+     * Specifies tab bar item positioning. Available values are:
+     * - fill - distributes items across the entire width of the tab bar
+     * - center - centers item in the available tab bar space
+     * - auto (default) - distributes items dynamically according to the
+     * user interface idiom. In a horizontally compact environment (e.g. iPhone 5)
+     * this value defaults to `fill`, in a horizontally regular one (e.g. iPad)
+     * it defaults to center.
+     */
+    itemPositioning?: "fill" | "center" | "auto";
+
+    /**
+     * Color of the currently selected tab icon
+     */
+    tintColor?: string;
+
+    /**
+     * A Boolean value that indicates whether the tab bar is translucent
+     */
+    translucent?: boolean;
+
+    /**
+     * Color of text on unselected tabs
+     */
+    unselectedTintColor?: string;
+
+    /**
+     * Color of unselected tab icons. Available since iOS 10.
+     */
+    unselectedItemTintColor?: string;
+}
+
+export class TabBarIOS extends React.Component<TabBarIOSProps> {
+    static Item: typeof TabBarIOSItem;
+}
+
+export interface PixelRatioStatic {
+    /*
+        Returns the device pixel density. Some examples:
+            PixelRatio.get() === 1
+            mdpi Android devices (160 dpi)
+            PixelRatio.get() === 1.5
+            hdpi Android devices (240 dpi)
+            PixelRatio.get() === 2
+            iPhone 4, 4S
+            iPhone 5, 5c, 5s
+            iPhone 6
+            xhdpi Android devices (320 dpi)
+            PixelRatio.get() === 3
+            iPhone 6 plus
+            xxhdpi Android devices (480 dpi)
+            PixelRatio.get() === 3.5
+            Nexus 6
+    */
+    get(): number;
+
+    /*
+        Returns the scaling factor for font sizes. This is the ratio that is
+        used to calculate the absolute font size, so any elements that
+        heavily depend on that should use this to do calculations.
+
+        If a font scale is not set, this returns the device pixel ratio.
+
+        Currently this is only implemented on Android and reflects the user
+        preference set in Settings > Display > Font size,
+        on iOS it will always return the default pixel ratio.
+        */
+    getFontScale(): number;
+
+    /**
+     * Converts a layout size (dp) to pixel size (px).
+     * Guaranteed to return an integer number.
+     */
+    getPixelSizeForLayoutSize(layoutSize: number): number;
+
+    /**
+     * Rounds a layout size (dp) to the nearest layout size that
+     * corresponds to an integer number of pixels. For example,
+     * on a device with a PixelRatio of 3,
+     * PixelRatio.roundToNearestPixel(8.4) = 8.33,
+     * which corresponds to exactly (8.33 * 3) = 25 pixels.
+     */
+    roundToNearestPixel(layoutSize: number): number;
+
+    /**
+     * No-op for iOS, but used on the web. Should not be documented. [sic]
+     */
+    startDetecting(): void;
+}
+
+/**
+ * @see https://facebook.github.io/react-native/docs/platform-specific-code.html#content
+ */
+export type PlatformOSType = "ios" | "android" | "macos" | "windows" | "web";
+
+interface PlatformStatic {
+    isTV: boolean;
+    Version: number | string;
+
+    /**
+     * @see https://facebook.github.io/react-native/docs/platform-specific-code.html#content
+     */
+    select<T>(specifics: { [platform in PlatformOSType | "default"]?: T }): T;
+}
+
+interface PlatformIOSStatic extends PlatformStatic {
+    OS: 'ios';
+    isPad: boolean;
+    isTVOS: boolean;
+}
+
+interface PlatformAndroidStatic extends PlatformStatic {
+    OS: 'android';
+}
+
+interface PlatformMacOSStatic extends PlatformStatic {
+    OS: 'macos';
+}
+
+interface PlatformWindowsOSStatic extends PlatformStatic {
+    OS: 'windows';
+}
+
+interface PlatformWebStatic extends PlatformStatic {
+    OS: 'web';
+}
+
+/**
+ * Deprecated - subclass NativeEventEmitter to create granular event modules instead of
+ * adding all event listeners directly to RCTDeviceEventEmitter.
+ */
+interface DeviceEventEmitterStatic extends EventEmitter {
+    sharedSubscriber: EventSubscriptionVendor;
+    new (): DeviceEventEmitterStatic;
+    addListener(type: string, listener: (data: any) => void, context?: any): EmitterSubscription;
+}
+
+// Used by Dimensions below
+export interface ScaledSize {
+    width: number;
+    height: number;
+    scale: number;
+    fontScale: number;
+}
+
+/**
+ * Initial dimensions are set before `runApplication` is called so they should
+ * be available before any other require's are run, but may be updated later.
+ *
+ * Note: Although dimensions are available immediately, they may change (e.g
+ * due to device rotation) so any rendering logic or styles that depend on
+ * these constants should try to call this function on every render, rather
+ * than caching the value (for example, using inline styles rather than
+ * setting a value in a `StyleSheet`).
+ *
+ * Example: `const {height, width} = Dimensions.get('window');`
+ *
+ * @param dim Name of dimension as defined when calling `set`.
+ * @returns Value for the dimension.
+ * @see https://facebook.github.io/react-native/docs/dimensions.html#content
+ */
+export interface Dimensions {
+    /**
+     * Initial dimensions are set before runApplication is called so they
+     * should be available before any other require's are run, but may be
+     * updated later.
+     * Note: Although dimensions are available immediately, they may
+     * change (e.g due to device rotation) so any rendering logic or
+     * styles that depend on these constants should try to call this
+     * function on every render, rather than caching the value (for
+     * example, using inline styles rather than setting a value in a
+     * StyleSheet).
+     * Example: const {height, width} = Dimensions.get('window');
+     @param dim Name of dimension as defined when calling set.
+     @returns Value for the dimension.
+     */
+    get(dim: "window" | "screen"): ScaledSize;
+
+    /**
+     * This should only be called from native code by sending the didUpdateDimensions event.
+     * @param dims Simple string-keyed object of dimensions to set
+     */
+    set(dims: { [key: string]: any }): void;
+
+    /**
+     * Add an event listener for dimension changes
+     *
+     * @param type the type of event to listen to
+     * @param handler the event handler
+     */
+    addEventListener(
+        type: "change",
+        handler: ({ window, screen }: { window: ScaledSize; screen: ScaledSize }) => void
+    ): void;
+
+    /**
+     * Remove an event listener
+     *
+     * @param type the type of event
+     * @param handler the event handler
+     */
+    removeEventListener(
+        type: "change",
+        handler: ({ window, screen }: { window: ScaledSize; screen: ScaledSize }) => void
+    ): void;
+}
+
+export type SimpleTask = {
+    name: string;
+    gen: () => void;
+};
+export type PromiseTask = {
+    name: string;
+    gen: () => Promise<any>;
+};
+
+export type Handle = number;
+
+export interface InteractionManagerStatic extends EventEmitterListener {
+    Events: {
+        interactionStart: string;
+        interactionComplete: string;
+    };
+
+    /**
+     * Schedule a function to run after all interactions have completed.
+     * Returns a cancellable
+     */
+    runAfterInteractions(
+        task?: (() => any) | SimpleTask | PromiseTask
+    ): {
+        then: (onfulfilled?: () => any, onrejected?: () => any) => Promise<any>;
+        done: (...args: any[]) => any;
+        cancel: () => void;
+    };
+
+    /**
+     * Notify manager that an interaction has started.
+     */
+    createInteractionHandle(): Handle;
+
+    /**
+     * Notify manager that an interaction has completed.
+     */
+    clearInteractionHandle(handle: Handle): void;
+
+    /**
+     * A positive number will use setTimeout to schedule any tasks after
+     * the eventLoopRunningTime hits the deadline value, otherwise all
+     * tasks will be executed in one setImmediate batch (default).
+     */
+    setDeadline(deadline: number): void;
+}
+
+export interface ScrollResponderEvent extends NativeSyntheticEvent<NativeTouchEvent> {}
+
+interface ScrollResponderMixin extends SubscribableMixin {
+    /**
+     * Invoke this from an `onScroll` event.
+     */
+    scrollResponderHandleScrollShouldSetResponder(): boolean;
+
+    /**
+     * Merely touch starting is not sufficient for a scroll view to become the
+     * responder. Being the "responder" means that the very next touch move/end
+     * event will result in an action/movement.
+     *
+     * Invoke this from an `onStartShouldSetResponder` event.
+     *
+     * `onStartShouldSetResponder` is used when the next move/end will trigger
+     * some UI movement/action, but when you want to yield priority to views
+     * nested inside of the view.
+     *
+     * There may be some cases where scroll views actually should return `true`
+     * from `onStartShouldSetResponder`: Any time we are detecting a standard tap
+     * that gives priority to nested views.
+     *
+     * - If a single tap on the scroll view triggers an action such as
+     *   recentering a map style view yet wants to give priority to interaction
+     *   views inside (such as dropped pins or labels), then we would return true
+     *   from this method when there is a single touch.
+     *
+     * - Similar to the previous case, if a two finger "tap" should trigger a
+     *   zoom, we would check the `touches` count, and if `>= 2`, we would return
+     *   true.
+     *
+     */
+    scrollResponderHandleStartShouldSetResponder(): boolean;
+
+    /**
+     * There are times when the scroll view wants to become the responder
+     * (meaning respond to the next immediate `touchStart/touchEnd`), in a way
+     * that *doesn't* give priority to nested views (hence the capture phase):
+     *
+     * - Currently animating.
+     * - Tapping anywhere that is not the focused input, while the keyboard is
+     *   up (which should dismiss the keyboard).
+     *
+     * Invoke this from an `onStartShouldSetResponderCapture` event.
+     */
+    scrollResponderHandleStartShouldSetResponderCapture(e: ScrollResponderEvent): boolean;
+
+    /**
+     * Invoke this from an `onResponderReject` event.
+     *
+     * Some other element is not yielding its role as responder. Normally, we'd
+     * just disable the `UIScrollView`, but a touch has already began on it, the
+     * `UIScrollView` will not accept being disabled after that. The easiest
+     * solution for now is to accept the limitation of disallowing this
+     * altogether. To improve this, find a way to disable the `UIScrollView` after
+     * a touch has already started.
+     */
+    scrollResponderHandleResponderReject(): any;
+
+    /**
+     * We will allow the scroll view to give up its lock iff it acquired the lock
+     * during an animation. This is a very useful default that happens to satisfy
+     * many common user experiences.
+     *
+     * - Stop a scroll on the left edge, then turn that into an outer view's
+     *   backswipe.
+     * - Stop a scroll mid-bounce at the top, continue pulling to have the outer
+     *   view dismiss.
+     * - However, without catching the scroll view mid-bounce (while it is
+     *   motionless), if you drag far enough for the scroll view to become
+     *   responder (and therefore drag the scroll view a bit), any backswipe
+     *   navigation of a swipe gesture higher in the view hierarchy, should be
+     *   rejected.
+     */
+    scrollResponderHandleTerminationRequest(): boolean;
+
+    /**
+     * Invoke this from an `onTouchEnd` event.
+     *
+     * @param e Event.
+     */
+    scrollResponderHandleTouchEnd(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onResponderRelease` event.
+     */
+    scrollResponderHandleResponderRelease(e: ScrollResponderEvent): void;
+
+    scrollResponderHandleScroll(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onResponderGrant` event.
+     */
+    scrollResponderHandleResponderGrant(e: ScrollResponderEvent): void;
+
+    /**
+     * Unfortunately, `onScrollBeginDrag` also fires when *stopping* the scroll
+     * animation, and there's not an easy way to distinguish a drag vs. stopping
+     * momentum.
+     *
+     * Invoke this from an `onScrollBeginDrag` event.
+     */
+    scrollResponderHandleScrollBeginDrag(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onScrollEndDrag` event.
+     */
+    scrollResponderHandleScrollEndDrag(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onMomentumScrollBegin` event.
+     */
+    scrollResponderHandleMomentumScrollBegin(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onMomentumScrollEnd` event.
+     */
+    scrollResponderHandleMomentumScrollEnd(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onTouchStart` event.
+     *
+     * Since we know that the `SimpleEventPlugin` occurs later in the plugin
+     * order, after `ResponderEventPlugin`, we can detect that we were *not*
+     * permitted to be the responder (presumably because a contained view became
+     * responder). The `onResponderReject` won't fire in that case - it only
+     * fires when a *current* responder rejects our request.
+     *
+     * @param e Touch Start event.
+     */
+    scrollResponderHandleTouchStart(e: ScrollResponderEvent): void;
+
+    /**
+     * Invoke this from an `onTouchMove` event.
+     *
+     * Since we know that the `SimpleEventPlugin` occurs later in the plugin
+     * order, after `ResponderEventPlugin`, we can detect that we were *not*
+     * permitted to be the responder (presumably because a contained view became
+     * responder). The `onResponderReject` won't fire in that case - it only
+     * fires when a *current* responder rejects our request.
+     *
+     * @param e Touch Start event.
+     */
+    scrollResponderHandleTouchMove(e: ScrollResponderEvent): void;
+
+    /**
+     * A helper function for this class that lets us quickly determine if the
+     * view is currently animating. This is particularly useful to know when
+     * a touch has just started or ended.
+     */
+    scrollResponderIsAnimating(): boolean;
+
+    /**
+     * Returns the node that represents native view that can be scrolled.
+     * Components can pass what node to use by defining a `getScrollableNode`
+     * function otherwise `this` is used.
+     */
+    scrollResponderGetScrollableNode(): any;
+
+    /**
+     * A helper function to scroll to a specific point  in the scrollview.
+     * This is currently used to help focus on child textviews, but can also
+     * be used to quickly scroll to any element we want to focus. Syntax:
+     *
+     * scrollResponderScrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
+     *
+     * Note: The weird argument signature is due to the fact that, for historical reasons,
+     * the function also accepts separate arguments as as alternative to the options object.
+     * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
+     */
+    scrollResponderScrollTo(
+        x?: number | { x?: number; y?: number; animated?: boolean },
+        y?: number,
+        animated?: boolean
+    ): void;
+
+    /**
+     * A helper function to zoom to a specific rect in the scrollview. The argument has the shape
+     * {x: number; y: number; width: number; height: number; animated: boolean = true}
+     *
+     * @platform ios
+     */
+    scrollResponderZoomTo(
+        rect: { x: number; y: number; width: number; height: number; animated?: boolean },
+        animated?: boolean // deprecated, put this inside the rect argument instead
+    ): void;
+
+    /**
+     * This method should be used as the callback to onFocus in a TextInputs'
+     * parent view. Note that any module using this mixin needs to return
+     * the parent view's ref in getScrollViewRef() in order to use this method.
+     * @param nodeHandle The TextInput node handle
+     * @param additionalOffset The scroll view's top "contentInset".
+     *        Default is 0.
+     * @param preventNegativeScrolling Whether to allow pulling the content
+     *        down to make it meet the keyboard's top. Default is false.
+     */
+    scrollResponderScrollNativeHandleToKeyboard(
+        nodeHandle: any,
+        additionalOffset?: number,
+        preventNegativeScrollOffset?: boolean
+    ): void;
+
+    /**
+     * The calculations performed here assume the scroll view takes up the entire
+     * screen - even if has some content inset. We then measure the offsets of the
+     * keyboard, and compensate both for the scroll view's "contentInset".
+     *
+     * @param left Position of input w.r.t. table view.
+     * @param top Position of input w.r.t. table view.
+     * @param width Width of the text input.
+     * @param height Height of the text input.
+     */
+    scrollResponderInputMeasureAndScrollToKeyboard(left: number, top: number, width: number, height: number): void;
+
+    scrollResponderTextInputFocusError(e: ScrollResponderEvent): void;
+
+    /**
+     * `componentWillMount` is the closest thing to a  standard "constructor" for
+     * React components.
+     *
+     * The `keyboardWillShow` is called before input focus.
+     */
+    componentWillMount(): void;
+
+    /**
+     * Warning, this may be called several times for a single keyboard opening.
+     * It's best to store the information in this method and then take any action
+     * at a later point (either in `keyboardDidShow` or other).
+     *
+     * Here's the order that events occur in:
+     * - focus
+     * - willShow {startCoordinates, endCoordinates} several times
+     * - didShow several times
+     * - blur
+     * - willHide {startCoordinates, endCoordinates} several times
+     * - didHide several times
+     *
+     * The `ScrollResponder` providesModule callbacks for each of these events.
+     * Even though any user could have easily listened to keyboard events
+     * themselves, using these `props` callbacks ensures that ordering of events
+     * is consistent - and not dependent on the order that the keyboard events are
+     * subscribed to. This matters when telling the scroll view to scroll to where
+     * the keyboard is headed - the scroll responder better have been notified of
+     * the keyboard destination before being instructed to scroll to where the
+     * keyboard will be. Stick to the `ScrollResponder` callbacks, and everything
+     * will work.
+     *
+     * WARNING: These callbacks will fire even if a keyboard is displayed in a
+     * different navigation pane. Filter out the events to determine if they are
+     * relevant to you. (For example, only if you receive these callbacks after
+     * you had explicitly focused a node etc).
+     */
+    scrollResponderKeyboardWillShow(e: ScrollResponderEvent): void;
+
+    scrollResponderKeyboardWillHide(e: ScrollResponderEvent): void;
+
+    scrollResponderKeyboardDidShow(e: ScrollResponderEvent): void;
+
+    scrollResponderKeyboardDidHide(e: ScrollResponderEvent): void;
+}
+
+export interface ScrollViewPropsIOS {
+    /**
+     * When true the scroll view bounces horizontally when it reaches the end
+     * even if the content is smaller than the scroll view itself. The default
+     * value is true when `horizontal={true}` and false otherwise.
+     */
+    alwaysBounceHorizontal?: boolean;
+    /**
+     * When true the scroll view bounces vertically when it reaches the end
+     * even if the content is smaller than the scroll view itself. The default
+     * value is false when `horizontal={true}` and true otherwise.
+     */
+    alwaysBounceVertical?: boolean;
+
+    /**
+     * Controls whether iOS should automatically adjust the content inset for scroll views that are placed behind a navigation bar or tab bar/ toolbar.
+     * The default value is true.
+     */
+    automaticallyAdjustContentInsets?: boolean; // true
+
+    /**
+     * When true the scroll view bounces when it reaches the end of the
+     * content if the content is larger then the scroll view along the axis of
+     * the scroll direction. When false it disables all bouncing even if
+     * the `alwaysBounce*` props are true. The default value is true.
+     */
+    bounces?: boolean;
+    /**
+     * When true gestures can drive zoom past min/max and the zoom will animate
+     * to the min/max value at gesture end otherwise the zoom will not exceed
+     * the limits.
+     */
+    bouncesZoom?: boolean;
+
+    /**
+     * When false once tracking starts won't try to drag if the touch moves.
+     * The default value is true.
+     */
+    canCancelContentTouches?: boolean;
+
+    /**
+     * When true the scroll view automatically centers the content when the
+     * content is smaller than the scroll view bounds; when the content is
+     * larger than the scroll view this property has no effect. The default
+     * value is false.
+     */
+    centerContent?: boolean;
+
+    /**
+     * The amount by which the scroll view content is inset from the edges of the scroll view.
+     * Defaults to {0, 0, 0, 0}.
+     */
+    contentInset?: Insets; // zeros
+
+    /**
+     * Used to manually set the starting scroll offset.
+     * The default value is {x: 0, y: 0}
+     */
+    contentOffset?: PointPropType; // zeros
+
+    /**
+     * This property specifies how the safe area insets are used to modify the content area of the scroll view.
+     * The default value of this property must be 'automatic'. But the default value is 'never' until RN@0.51.
+     */
+    contentInsetAdjustmentBehavior?: "automatic" | "scrollableAxes" | "never" | "always";
+
+    /**
+     * A floating-point number that determines how quickly the scroll view
+     * decelerates after the user lifts their finger. Reasonable choices include
+     *   - Normal: 0.998 (the default)
+     *   - Fast: 0.9
+     */
+    decelerationRate?: "fast" | "normal" | number;
+
+    /**
+     * When true the ScrollView will try to lock to only vertical or horizontal
+     * scrolling while dragging.  The default value is false.
+     */
+    directionalLockEnabled?: boolean;
+
+    /**
+     * The style of the scroll indicators.
+     * - default (the default), same as black.
+     * - black, scroll indicator is black. This style is good against
+     *   a white content background.
+     * - white, scroll indicator is white. This style is good against
+     *   a black content background.
+     */
+    indicatorStyle?: "default" | "black" | "white";
+
+    /**
+     * The maximum allowed zoom scale. The default value is 1.0.
+     */
+    maximumZoomScale?: number;
+
+    /**
+     * The minimum allowed zoom scale. The default value is 1.0.
+     */
+    minimumZoomScale?: number;
+
+    /**
+     * Called when a scrolling animation ends.
+     */
+    onScrollAnimationEnd?: () => void;
+
+    /**
+     * When true, ScrollView allows use of pinch gestures to zoom in and out.
+     * The default value is true.
+     */
+    pinchGestureEnabled?: boolean;
+
+    /**
+     * This controls how often the scroll event will be fired while scrolling (in events per seconds).
+     * A higher number yields better accuracy for code that is tracking the scroll position,
+     * but can lead to scroll performance problems due to the volume of information being send over the bridge.
+     * The default value is zero, which means the scroll event will be sent only once each time the view is scrolled.
+     */
+    scrollEventThrottle?: number; // null
+
+    /**
+     * The amount by which the scroll view indicators are inset from the edges of the scroll view.
+     * This should normally be set to the same value as the contentInset.
+     * Defaults to {0, 0, 0, 0}.
+     */
+    scrollIndicatorInsets?: Insets; //zeroes
+
+    /**
+     * When true the scroll view scrolls to top when the status bar is tapped.
+     * The default value is true.
+     */
+    scrollsToTop?: boolean;
+
+    /**
+     * An array of child indices determining which children get docked to the
+     * top of the screen when scrolling. For example passing
+     * `stickyHeaderIndices={[0]}` will cause the first child to be fixed to the
+     * top of the scroll view. This property is not supported in conjunction
+     * with `horizontal={true}`.
+     */
+    stickyHeaderIndices?: number[];
+
+    /**
+     * The current scale of the scroll view content. The default value is 1.0.
+     */
+    zoomScale?: number;
+}
+
+export interface ScrollViewPropsAndroid {
+    /**
+     * Sometimes a scrollview takes up more space than its content fills.
+     * When this is the case, this prop will fill the rest of the
+     * scrollview with a color to avoid setting a background and creating
+     * unnecessary overdraw. This is an advanced optimization that is not
+     * needed in the general case.
+     */
+    endFillColor?: string;
+
+    /**
+     * Tag used to log scroll performance on this scroll view. Will force
+     * momentum events to be turned on (see sendMomentumEvents). This doesn't do
+     * anything out of the box and you need to implement a custom native
+     * FpsListener for it to be useful.
+     * @platform android
+     */
+    scrollPerfTag?: string;
+
+    /**
+     * Used to override default value of overScroll mode.
+
+        * Possible values:
+        *   - 'auto' - Default value, allow a user to over-scroll this view only if the content is large enough to meaningfully scroll.
+        *   - 'always' - Always allow a user to over-scroll this view.
+        *   - 'never' - Never allow a user to over-scroll this view.
+        */
+    overScrollMode?: "auto" | "always" | "never";
+
+    /**
+     * Enables nested scrolling for Android API level 21+. Nested scrolling is supported by default on iOS.
+     */
+    nestedScrollEnabled?: boolean;
+}
+
+export interface ScrollViewProps extends ViewProps, ScrollViewPropsIOS, ScrollViewPropsAndroid, Touchable {
+    /**
+     * These styles will be applied to the scroll view content container which
+     * wraps all of the child views. Example:
+     *
+     *   return (
+     *     <ScrollView contentContainerStyle={styles.contentContainer}>
+     *     </ScrollView>
+     *   );
+     *   ...
+     *   const styles = StyleSheet.create({
+     *     contentContainer: {
+     *       paddingVertical: 20
+     *     }
+     *   });
+     */
+    contentContainerStyle?: StyleProp<ViewStyle>;
+
+    /**
+     * When true the scroll view's children are arranged horizontally in a row
+     * instead of vertically in a column. The default value is false.
+     */
+    horizontal?: boolean;
+
+    /**
+     * If sticky headers should stick at the bottom instead of the top of the
+     * ScrollView. This is usually used with inverted ScrollViews.
+     */
+    invertStickyHeaders?: boolean;
+
+    /**
+     * Determines whether the keyboard gets dismissed in response to a drag.
+     *   - 'none' (the default) drags do not dismiss the keyboard.
+     *   - 'onDrag' the keyboard is dismissed when a drag begins.
+     *   - 'interactive' the keyboard is dismissed interactively with the drag
+     *     and moves in synchrony with the touch; dragging upwards cancels the
+     *     dismissal.
+     */
+    keyboardDismissMode?: "none" | "interactive" | "on-drag";
+
+    /**
+     * Determines when the keyboard should stay visible after a tap.
+     * - 'never' (the default), tapping outside of the focused text input when the keyboard is up dismisses the keyboard. When this happens, children won't receive the tap.
+     * - 'always', the keyboard will not dismiss automatically, and the scroll view will not catch taps, but children of the scroll view can catch taps.
+     * - 'handled', the keyboard will not dismiss automatically when the tap was handled by a children, (or captured by an ancestor).
+     * - false, deprecated, use 'never' instead
+     * - true, deprecated, use 'always' instead
+     */
+    keyboardShouldPersistTaps?: boolean | "always" | "never" | "handled";
 
-  /**
-   * Converts a layout size (dp) to pixel size (px).
-   * Guaranteed to return an integer number.
-   */
-  getPixelSizeForLayoutSize(layoutSize: number): number
+    /**
+     * Called when scrollable content view of the ScrollView changes.
+     * Handler function is passed the content width and content height as parameters: (contentWidth, contentHeight)
+     * It's implemented using onLayout handler attached to the content container which this ScrollView renders.
+     *
+     */
+    onContentSizeChange?: (w: number, h: number) => void;
 
-  /**
-   * Rounds a layout size (dp) to the nearest layout size that
-   * corresponds to an integer number of pixels. For example,
-   * on a device with a PixelRatio of 3,
-   * PixelRatio.roundToNearestPixel(8.4) = 8.33,
-   * which corresponds to exactly (8.33 * 3) = 25 pixels.
-   */
-  roundToNearestPixel(layoutSize: number): number
+    /**
+     * Fires at most once per frame during scrolling.
+     * The frequency of the events can be contolled using the scrollEventThrottle prop.
+     */
+    onScroll?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
 
-  /**
-   * No-op for iOS, but used on the web. Should not be documented. [sic]
-   */
-  startDetecting(): void
-}
+    /**
+     * Fires if a user initiates a scroll gesture.
+     */
+    onScrollBeginDrag?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
 
-/**
- * @see https://facebook.github.io/react-native/docs/platform-specific-code.html#content
- */
-export type PlatformOSType = 'ios' | 'android' | 'macos' | 'windows' | 'web'
+    /**
+     * Fires when a user has finished scrolling.
+     */
+    onScrollEndDrag?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
 
-interface PlatformStatic {
-  isTV: boolean
-  Version: number | string
+    /**
+     * Fires when scroll view has finished moving
+     */
+    onMomentumScrollEnd?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
 
-  /**
-   * @see https://facebook.github.io/react-native/docs/platform-specific-code.html#content
-   */
-  select<T>(specifics: {[platform in PlatformOSType | 'default']?: T}): T
-}
+    /**
+     * Fires when scroll view has begun moving
+     */
+    onMomentumScrollBegin?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
 
-interface PlatformIOSStatic extends PlatformStatic {
-  OS: 'ios'
-  isPad: boolean
-  isTVOS: boolean
-}
+    /**
+     * When true the scroll view stops on multiples of the scroll view's size
+     * when scrolling. This can be used for horizontal pagination. The default
+     * value is false.
+     */
+    pagingEnabled?: boolean;
 
-interface PlatformAndroidStatic extends PlatformStatic {
-  OS: 'android'
-}
+    /**
+     * When false, the content does not scroll. The default value is true
+     */
+    scrollEnabled?: boolean; // true
 
-interface PlatformMacOSStatic extends PlatformStatic {
-  OS: 'macos'
-}
+    /**
+     * Experimental: When true offscreen child views (whose `overflow` value is
+     * `hidden`) are removed from their native backing superview when offscreen.
+     * This canimprove scrolling performance on long lists. The default value is
+     * false.
+     */
+    removeClippedSubviews?: boolean;
 
-interface PlatformWindowsOSStatic extends PlatformStatic {
-  OS: 'windows'
-}
+    /**
+     * When true, shows a horizontal scroll indicator.
+     */
+    showsHorizontalScrollIndicator?: boolean;
 
-interface PlatformWebStatic extends PlatformStatic {
-  OS: 'web'
-}
+    /**
+     * When true, shows a vertical scroll indicator.
+     */
+    showsVerticalScrollIndicator?: boolean;
 
-/**
- * Deprecated - subclass NativeEventEmitter to create granular event modules instead of
- * adding all event listeners directly to RCTDeviceEventEmitter.
- */
-interface DeviceEventEmitterStatic extends EventEmitter {
-  sharedSubscriber: EventSubscriptionVendor
-  new (): DeviceEventEmitterStatic
-  addListener(type: string, listener: (data: any) => void, context?: any): EmitterSubscription
-}
+    /**
+     * Style
+     */
+    style?: StyleProp<ViewStyle>;
 
-// Used by Dimensions below
-export interface ScaledSize {
-  width: number
-  height: number
-  scale: number
-  fontScale: number
-}
+    /**
+     * A RefreshControl component, used to provide pull-to-refresh
+     * functionality for the ScrollView.
+     */
+    refreshControl?: React.ReactElement<RefreshControlProps>;
 
-/**
- * Initial dimensions are set before `runApplication` is called so they should
- * be available before any other require's are run, but may be updated later.
- *
- * Note: Although dimensions are available immediately, they may change (e.g
- * due to device rotation) so any rendering logic or styles that depend on
- * these constants should try to call this function on every render, rather
- * than caching the value (for example, using inline styles rather than
- * setting a value in a `StyleSheet`).
- *
- * Example: `const {height, width} = Dimensions.get('window');`
- *
- * @param dim Name of dimension as defined when calling `set`.
- * @returns Value for the dimension.
- * @see https://facebook.github.io/react-native/docs/dimensions.html#content
- */
-export interface Dimensions {
-  /**
-     * Initial dimensions are set before runApplication is called so they
-     * should be available before any other require's are run, but may be
-     * updated later.
-     * Note: Although dimensions are available immediately, they may
-     * change (e.g due to device rotation) so any rendering logic or
-     * styles that depend on these constants should try to call this
-     * function on every render, rather than caching the value (for
-     * example, using inline styles rather than setting a value in a
-     * StyleSheet).
-     * Example: const {height, width} = Dimensions.get('window');
-     @param dim Name of dimension as defined when calling set.
-     @returns Value for the dimension.
+    /**
+     * When `snapToInterval` is set, `snapToAlignment` will define the relationship of the the snapping to the scroll view.
+     *      - `start` (the default) will align the snap at the left (horizontal) or top (vertical)
+     *      - `center` will align the snap in the center
+     *      - `end` will align the snap at the right (horizontal) or bottom (vertical)
      */
-  get(dim: 'window' | 'screen'): ScaledSize
-
-  /**
-   * This should only be called from native code by sending the didUpdateDimensions event.
-   * @param dims Simple string-keyed object of dimensions to set
-   */
-  set(dims: {[key: string]: any}): void
-
-  /**
-   * Add an event listener for dimension changes
-   *
-   * @param type the type of event to listen to
-   * @param handler the event handler
-   */
-  addEventListener(
-    type: 'change',
-    handler: ({window, screen}: {window: ScaledSize; screen: ScaledSize}) => void
-  ): void
-
-  /**
-   * Remove an event listener
-   *
-   * @param type the type of event
-   * @param handler the event handler
-   */
-  removeEventListener(
-    type: 'change',
-    handler: ({window, screen}: {window: ScaledSize; screen: ScaledSize}) => void
-  ): void
-}
+    snapToAlignment?: "start" | "center" | "end";
 
-export type SimpleTask = {
-  name: string
-  gen: () => void
-}
-export type PromiseTask = {
-  name: string
-  gen: () => Promise<any>
-}
+    /**
+     * When set, causes the scroll view to stop at multiples of the value of `snapToInterval`.
+     * This can be used for paginating through children that have lengths smaller than the scroll view.
+     * Used in combination with `snapToAlignment` and `decelerationRate="fast"`. Overrides less
+     * configurable `pagingEnabled` prop.
+     */
+    snapToInterval?: number;
 
-export type Handle = number
+    /**
+     * When set, causes the scroll view to stop at the defined offsets. This can be used for
+     * paginating through variously sized children that have lengths smaller than the scroll view.
+     * Typically used in combination with `decelerationRate="fast"`. Overrides less configurable
+     * `pagingEnabled` and `snapToInterval` props.
+     */
+    snapToOffsets?: number[];
 
-export interface InteractionManagerStatic extends EventEmitterListener {
-  Events: {
-    interactionStart: string
-    interactionComplete: string
-  }
-
-  /**
-   * Schedule a function to run after all interactions have completed.
-   * Returns a cancellable
-   */
-  runAfterInteractions(
-    task?: (() => any) | SimpleTask | PromiseTask
-  ): {
-    then: (onfulfilled?: () => any, onrejected?: () => any) => Promise<any>
-    done: (...args: any[]) => any
-    cancel: () => void
-  }
-
-  /**
-   * Notify manager that an interaction has started.
-   */
-  createInteractionHandle(): Handle
-
-  /**
-   * Notify manager that an interaction has completed.
-   */
-  clearInteractionHandle(handle: Handle): void
-
-  /**
-   * A positive number will use setTimeout to schedule any tasks after
-   * the eventLoopRunningTime hits the deadline value, otherwise all
-   * tasks will be executed in one setImmediate batch (default).
-   */
-  setDeadline(deadline: number): void
-}
+    /**
+     * Use in conjuction with `snapToOffsets`. By default, the beginning of the list counts as a
+     * snap offset. Set `snapToStart` to false to disable this behavior and allow the list to scroll
+     * freely between its start and the first `snapToOffsets` offset. The default value is true.
+     */
+    snapToStart?: boolean;
 
-export interface ScrollResponderEvent extends NativeSyntheticEvent<NativeTouchEvent> {}
+    /**
+     * Use in conjuction with `snapToOffsets`. By default, the end of the list counts as a snap
+     * offset. Set `snapToEnd` to false to disable this behavior and allow the list to scroll freely
+     * between its end and the last `snapToOffsets` offset. The default value is true.
+     */
+    snapToEnd?: boolean;
 
-interface ScrollResponderMixin extends SubscribableMixin {
-  /**
-   * Invoke this from an `onScroll` event.
-   */
-  scrollResponderHandleScrollShouldSetResponder(): boolean
-
-  /**
-   * Merely touch starting is not sufficient for a scroll view to become the
-   * responder. Being the "responder" means that the very next touch move/end
-   * event will result in an action/movement.
-   *
-   * Invoke this from an `onStartShouldSetResponder` event.
-   *
-   * `onStartShouldSetResponder` is used when the next move/end will trigger
-   * some UI movement/action, but when you want to yield priority to views
-   * nested inside of the view.
-   *
-   * There may be some cases where scroll views actually should return `true`
-   * from `onStartShouldSetResponder`: Any time we are detecting a standard tap
-   * that gives priority to nested views.
-   *
-   * - If a single tap on the scroll view triggers an action such as
-   *   recentering a map style view yet wants to give priority to interaction
-   *   views inside (such as dropped pins or labels), then we would return true
-   *   from this method when there is a single touch.
-   *
-   * - Similar to the previous case, if a two finger "tap" should trigger a
-   *   zoom, we would check the `touches` count, and if `>= 2`, we would return
-   *   true.
-   *
-   */
-  scrollResponderHandleStartShouldSetResponder(): boolean
-
-  /**
-   * There are times when the scroll view wants to become the responder
-   * (meaning respond to the next immediate `touchStart/touchEnd`), in a way
-   * that *doesn't* give priority to nested views (hence the capture phase):
-   *
-   * - Currently animating.
-   * - Tapping anywhere that is not the focused input, while the keyboard is
-   *   up (which should dismiss the keyboard).
-   *
-   * Invoke this from an `onStartShouldSetResponderCapture` event.
-   */
-  scrollResponderHandleStartShouldSetResponderCapture(e: ScrollResponderEvent): boolean
-
-  /**
-   * Invoke this from an `onResponderReject` event.
-   *
-   * Some other element is not yielding its role as responder. Normally, we'd
-   * just disable the `UIScrollView`, but a touch has already began on it, the
-   * `UIScrollView` will not accept being disabled after that. The easiest
-   * solution for now is to accept the limitation of disallowing this
-   * altogether. To improve this, find a way to disable the `UIScrollView` after
-   * a touch has already started.
-   */
-  scrollResponderHandleResponderReject(): any
-
-  /**
-   * We will allow the scroll view to give up its lock iff it acquired the lock
-   * during an animation. This is a very useful default that happens to satisfy
-   * many common user experiences.
-   *
-   * - Stop a scroll on the left edge, then turn that into an outer view's
-   *   backswipe.
-   * - Stop a scroll mid-bounce at the top, continue pulling to have the outer
-   *   view dismiss.
-   * - However, without catching the scroll view mid-bounce (while it is
-   *   motionless), if you drag far enough for the scroll view to become
-   *   responder (and therefore drag the scroll view a bit), any backswipe
-   *   navigation of a swipe gesture higher in the view hierarchy, should be
-   *   rejected.
-   */
-  scrollResponderHandleTerminationRequest(): boolean
-
-  /**
-   * Invoke this from an `onTouchEnd` event.
-   *
-   * @param e Event.
-   */
-  scrollResponderHandleTouchEnd(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onResponderRelease` event.
-   */
-  scrollResponderHandleResponderRelease(e: ScrollResponderEvent): void
-
-  scrollResponderHandleScroll(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onResponderGrant` event.
-   */
-  scrollResponderHandleResponderGrant(e: ScrollResponderEvent): void
-
-  /**
-   * Unfortunately, `onScrollBeginDrag` also fires when *stopping* the scroll
-   * animation, and there's not an easy way to distinguish a drag vs. stopping
-   * momentum.
-   *
-   * Invoke this from an `onScrollBeginDrag` event.
-   */
-  scrollResponderHandleScrollBeginDrag(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onScrollEndDrag` event.
-   */
-  scrollResponderHandleScrollEndDrag(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onMomentumScrollBegin` event.
-   */
-  scrollResponderHandleMomentumScrollBegin(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onMomentumScrollEnd` event.
-   */
-  scrollResponderHandleMomentumScrollEnd(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onTouchStart` event.
-   *
-   * Since we know that the `SimpleEventPlugin` occurs later in the plugin
-   * order, after `ResponderEventPlugin`, we can detect that we were *not*
-   * permitted to be the responder (presumably because a contained view became
-   * responder). The `onResponderReject` won't fire in that case - it only
-   * fires when a *current* responder rejects our request.
-   *
-   * @param e Touch Start event.
-   */
-  scrollResponderHandleTouchStart(e: ScrollResponderEvent): void
-
-  /**
-   * Invoke this from an `onTouchMove` event.
-   *
-   * Since we know that the `SimpleEventPlugin` occurs later in the plugin
-   * order, after `ResponderEventPlugin`, we can detect that we were *not*
-   * permitted to be the responder (presumably because a contained view became
-   * responder). The `onResponderReject` won't fire in that case - it only
-   * fires when a *current* responder rejects our request.
-   *
-   * @param e Touch Start event.
-   */
-  scrollResponderHandleTouchMove(e: ScrollResponderEvent): void
-
-  /**
-   * A helper function for this class that lets us quickly determine if the
-   * view is currently animating. This is particularly useful to know when
-   * a touch has just started or ended.
-   */
-  scrollResponderIsAnimating(): boolean
-
-  /**
-   * Returns the node that represents native view that can be scrolled.
-   * Components can pass what node to use by defining a `getScrollableNode`
-   * function otherwise `this` is used.
-   */
-  scrollResponderGetScrollableNode(): any
-
-  /**
-   * A helper function to scroll to a specific point  in the scrollview.
-   * This is currently used to help focus on child textviews, but can also
-   * be used to quickly scroll to any element we want to focus. Syntax:
-   *
-   * scrollResponderScrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
-   *
-   * Note: The weird argument signature is due to the fact that, for historical reasons,
-   * the function also accepts separate arguments as as alternative to the options object.
-   * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
-   */
-  scrollResponderScrollTo(
-    x?: number | {x?: number; y?: number; animated?: boolean},
-    y?: number,
-    animated?: boolean
-  ): void
-
-  /**
-   * A helper function to zoom to a specific rect in the scrollview. The argument has the shape
-   * {x: number; y: number; width: number; height: number; animated: boolean = true}
-   *
-   * @platform ios
-   */
-  scrollResponderZoomTo(
-    rect: {x: number; y: number; width: number; height: number; animated?: boolean},
-    animated?: boolean // deprecated, put this inside the rect argument instead
-  ): void
-
-  /**
-   * This method should be used as the callback to onFocus in a TextInputs'
-   * parent view. Note that any module using this mixin needs to return
-   * the parent view's ref in getScrollViewRef() in order to use this method.
-   * @param nodeHandle The TextInput node handle
-   * @param additionalOffset The scroll view's top "contentInset".
-   *        Default is 0.
-   * @param preventNegativeScrolling Whether to allow pulling the content
-   *        down to make it meet the keyboard's top. Default is false.
-   */
-  scrollResponderScrollNativeHandleToKeyboard(
-    nodeHandle: any,
-    additionalOffset?: number,
-    preventNegativeScrollOffset?: boolean
-  ): void
-
-  /**
-   * The calculations performed here assume the scroll view takes up the entire
-   * screen - even if has some content inset. We then measure the offsets of the
-   * keyboard, and compensate both for the scroll view's "contentInset".
-   *
-   * @param left Position of input w.r.t. table view.
-   * @param top Position of input w.r.t. table view.
-   * @param width Width of the text input.
-   * @param height Height of the text input.
-   */
-  scrollResponderInputMeasureAndScrollToKeyboard(
-    left: number,
-    top: number,
-    width: number,
-    height: number
-  ): void
-
-  scrollResponderTextInputFocusError(e: ScrollResponderEvent): void
-
-  /**
-   * `componentWillMount` is the closest thing to a  standard "constructor" for
-   * React components.
-   *
-   * The `keyboardWillShow` is called before input focus.
-   */
-  componentWillMount(): void
-
-  /**
-   * Warning, this may be called several times for a single keyboard opening.
-   * It's best to store the information in this method and then take any action
-   * at a later point (either in `keyboardDidShow` or other).
-   *
-   * Here's the order that events occur in:
-   * - focus
-   * - willShow {startCoordinates, endCoordinates} several times
-   * - didShow several times
-   * - blur
-   * - willHide {startCoordinates, endCoordinates} several times
-   * - didHide several times
-   *
-   * The `ScrollResponder` providesModule callbacks for each of these events.
-   * Even though any user could have easily listened to keyboard events
-   * themselves, using these `props` callbacks ensures that ordering of events
-   * is consistent - and not dependent on the order that the keyboard events are
-   * subscribed to. This matters when telling the scroll view to scroll to where
-   * the keyboard is headed - the scroll responder better have been notified of
-   * the keyboard destination before being instructed to scroll to where the
-   * keyboard will be. Stick to the `ScrollResponder` callbacks, and everything
-   * will work.
-   *
-   * WARNING: These callbacks will fire even if a keyboard is displayed in a
-   * different navigation pane. Filter out the events to determine if they are
-   * relevant to you. (For example, only if you receive these callbacks after
-   * you had explicitly focused a node etc).
-   */
-  scrollResponderKeyboardWillShow(e: ScrollResponderEvent): void
-
-  scrollResponderKeyboardWillHide(e: ScrollResponderEvent): void
-
-  scrollResponderKeyboardDidShow(e: ScrollResponderEvent): void
-
-  scrollResponderKeyboardDidHide(e: ScrollResponderEvent): void
-}
+    /**
+     * When true, the scroll view stops on the next index (in relation to scroll position at release)
+     * regardless of how fast the gesture is. This can be used for horizontal pagination when the page
+     * is less than the width of the ScrollView. The default value is false.
+     */
+    disableIntervalMomentum?: boolean;
 
-export interface ScrollViewPropsIOS {
-  /**
-   * When true the scroll view bounces horizontally when it reaches the end
-   * even if the content is smaller than the scroll view itself. The default
-   * value is true when `horizontal={true}` and false otherwise.
-   */
-  alwaysBounceHorizontal?: boolean
-  /**
-   * When true the scroll view bounces vertically when it reaches the end
-   * even if the content is smaller than the scroll view itself. The default
-   * value is false when `horizontal={true}` and true otherwise.
-   */
-  alwaysBounceVertical?: boolean
-
-  /**
-   * Controls whether iOS should automatically adjust the content inset for scroll views that are placed behind a navigation bar or tab bar/ toolbar.
-   * The default value is true.
-   */
-  automaticallyAdjustContentInsets?: boolean // true
-
-  /**
-   * When true the scroll view bounces when it reaches the end of the
-   * content if the content is larger then the scroll view along the axis of
-   * the scroll direction. When false it disables all bouncing even if
-   * the `alwaysBounce*` props are true. The default value is true.
-   */
-  bounces?: boolean
-  /**
-   * When true gestures can drive zoom past min/max and the zoom will animate
-   * to the min/max value at gesture end otherwise the zoom will not exceed
-   * the limits.
-   */
-  bouncesZoom?: boolean
-
-  /**
-   * When false once tracking starts won't try to drag if the touch moves.
-   * The default value is true.
-   */
-  canCancelContentTouches?: boolean
-
-  /**
-   * When true the scroll view automatically centers the content when the
-   * content is smaller than the scroll view bounds; when the content is
-   * larger than the scroll view this property has no effect. The default
-   * value is false.
-   */
-  centerContent?: boolean
-
-  /**
-   * The amount by which the scroll view content is inset from the edges of the scroll view.
-   * Defaults to {0, 0, 0, 0}.
-   */
-  contentInset?: Insets // zeros
-
-  /**
-   * Used to manually set the starting scroll offset.
-   * The default value is {x: 0, y: 0}
-   */
-  contentOffset?: PointPropType // zeros
-
-  /**
-   * This property specifies how the safe area insets are used to modify the content area of the scroll view.
-   * The default value of this property must be 'automatic'. But the default value is 'never' until RN@0.51.
-   */
-  contentInsetAdjustmentBehavior?: 'automatic' | 'scrollableAxes' | 'never' | 'always'
-
-  /**
-   * A floating-point number that determines how quickly the scroll view
-   * decelerates after the user lifts their finger. Reasonable choices include
-   *   - Normal: 0.998 (the default)
-   *   - Fast: 0.9
-   */
-  decelerationRate?: 'fast' | 'normal' | number
-
-  /**
-   * When true the ScrollView will try to lock to only vertical or horizontal
-   * scrolling while dragging.  The default value is false.
-   */
-  directionalLockEnabled?: boolean
-
-  /**
-   * The style of the scroll indicators.
-   * - default (the default), same as black.
-   * - black, scroll indicator is black. This style is good against
-   *   a white content background.
-   * - white, scroll indicator is white. This style is good against
-   *   a black content background.
-   */
-  indicatorStyle?: 'default' | 'black' | 'white'
-
-  /**
-   * The maximum allowed zoom scale. The default value is 1.0.
-   */
-  maximumZoomScale?: number
-
-  /**
-   * The minimum allowed zoom scale. The default value is 1.0.
-   */
-  minimumZoomScale?: number
-
-  /**
-   * Called when a scrolling animation ends.
-   */
-  onScrollAnimationEnd?: () => void
-
-  /**
-   * When true, ScrollView allows use of pinch gestures to zoom in and out.
-   * The default value is true.
-   */
-  pinchGestureEnabled?: boolean
-
-  /**
-   * This controls how often the scroll event will be fired while scrolling (in events per seconds).
-   * A higher number yields better accuracy for code that is tracking the scroll position,
-   * but can lead to scroll performance problems due to the volume of information being send over the bridge.
-   * The default value is zero, which means the scroll event will be sent only once each time the view is scrolled.
-   */
-  scrollEventThrottle?: number // null
-
-  /**
-   * The amount by which the scroll view indicators are inset from the edges of the scroll view.
-   * This should normally be set to the same value as the contentInset.
-   * Defaults to {0, 0, 0, 0}.
-   */
-  scrollIndicatorInsets?: Insets //zeroes
-
-  /**
-   * When true the scroll view scrolls to top when the status bar is tapped.
-   * The default value is true.
-   */
-  scrollsToTop?: boolean
-
-  /**
-   * An array of child indices determining which children get docked to the
-   * top of the screen when scrolling. For example passing
-   * `stickyHeaderIndices={[0]}` will cause the first child to be fixed to the
-   * top of the scroll view. This property is not supported in conjunction
-   * with `horizontal={true}`.
-   */
-  stickyHeaderIndices?: number[]
-
-  /**
-   * The current scale of the scroll view content. The default value is 1.0.
-   */
-  zoomScale?: number
+    /**
+     * When true, the default JS pan responder on the ScrollView is disabled, and full control over
+     * touches inside the ScrollView is left to its child components. This is particularly useful
+     * if `snapToInterval` is enabled, since it does not follow typical touch patterns. Do not use
+     * this on regular ScrollView use cases without `snapToInterval` as it may cause unexpected
+     * touches to occur while scrolling. The default value is false.
+     */
+    disableScrollViewPanResponder?: boolean;
 }
 
-export interface ScrollViewPropsAndroid {
-  /**
-   * Sometimes a scrollview takes up more space than its content fills.
-   * When this is the case, this prop will fill the rest of the
-   * scrollview with a color to avoid setting a background and creating
-   * unnecessary overdraw. This is an advanced optimization that is not
-   * needed in the general case.
-   */
-  endFillColor?: string
-
-  /**
-   * Tag used to log scroll performance on this scroll view. Will force
-   * momentum events to be turned on (see sendMomentumEvents). This doesn't do
-   * anything out of the box and you need to implement a custom native
-   * FpsListener for it to be useful.
-   * @platform android
-   */
-  scrollPerfTag?: string
-
-  /**
-     * Used to override default value of overScroll mode.
+declare class ScrollViewComponent extends React.Component<ScrollViewProps> {}
+declare const ScrollViewBase: Constructor<ScrollResponderMixin> & typeof ScrollViewComponent;
+export class ScrollView extends ScrollViewBase {
+    /**
+     * Scrolls to a given x, y offset, either immediately or with a smooth animation.
+     * Syntax:
+     *
+     * scrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
+     *
+     * Note: The weird argument signature is due to the fact that, for historical reasons,
+     * the function also accepts separate arguments as as alternative to the options object.
+     * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
+     */
+    scrollTo(y?: number | { x?: number; y?: number; animated?: boolean }, x?: number, animated?: boolean): void;
 
-        * Possible values:
-        *   - 'auto' - Default value, allow a user to over-scroll this view only if the content is large enough to meaningfully scroll.
-        *   - 'always' - Always allow a user to over-scroll this view.
-        *   - 'never' - Never allow a user to over-scroll this view.
-        */
-  overScrollMode?: 'auto' | 'always' | 'never'
+    /**
+     * A helper function that scrolls to the end of the scrollview;
+     * If this is a vertical ScrollView, it scrolls to the bottom.
+     * If this is a horizontal ScrollView scrolls to the right.
+     *
+     * The options object has an animated prop, that enables the scrolling animation or not.
+     * The animated prop defaults to true
+     */
+    scrollToEnd(options?: { animated: boolean }): void;
 
-  /**
-   * Enables nested scrolling for Android API level 21+. Nested scrolling is supported by default on iOS.
-   */
-  nestedScrollEnabled?: boolean
-}
+    /**
+     * Returns a reference to the underlying scroll responder, which supports
+     * operations like `scrollTo`. All ScrollView-like components should
+     * implement this method so that they can be composed while providing access
+     * to the underlying scroll responder's methods.
+     */
+    getScrollResponder(): JSX.Element;
 
-export interface ScrollViewProps extends ViewProps, ScrollViewPropsIOS, ScrollViewPropsAndroid, Touchable {
-  /**
-   * These styles will be applied to the scroll view content container which
-   * wraps all of the child views. Example:
-   *
-   *   return (
-   *     <ScrollView contentContainerStyle={styles.contentContainer}>
-   *     </ScrollView>
-   *   );
-   *   ...
-   *   const styles = StyleSheet.create({
-   *     contentContainer: {
-   *       paddingVertical: 20
-   *     }
-   *   });
-   */
-  contentContainerStyle?: StyleProp<ViewStyle>
-
-  /**
-   * When true the scroll view's children are arranged horizontally in a row
-   * instead of vertically in a column. The default value is false.
-   */
-  horizontal?: boolean
-
-  /**
-   * If sticky headers should stick at the bottom instead of the top of the
-   * ScrollView. This is usually used with inverted ScrollViews.
-   */
-  invertStickyHeaders?: boolean
-
-  /**
-   * Determines whether the keyboard gets dismissed in response to a drag.
-   *   - 'none' (the default) drags do not dismiss the keyboard.
-   *   - 'onDrag' the keyboard is dismissed when a drag begins.
-   *   - 'interactive' the keyboard is dismissed interactively with the drag
-   *     and moves in synchrony with the touch; dragging upwards cancels the
-   *     dismissal.
-   */
-  keyboardDismissMode?: 'none' | 'interactive' | 'on-drag'
-
-  /**
-   * Determines when the keyboard should stay visible after a tap.
-   * - 'never' (the default), tapping outside of the focused text input when the keyboard is up dismisses the keyboard. When this happens, children won't receive the tap.
-   * - 'always', the keyboard will not dismiss automatically, and the scroll view will not catch taps, but children of the scroll view can catch taps.
-   * - 'handled', the keyboard will not dismiss automatically when the tap was handled by a children, (or captured by an ancestor).
-   * - false, deprecated, use 'never' instead
-   * - true, deprecated, use 'always' instead
-   */
-  keyboardShouldPersistTaps?: boolean | 'always' | 'never' | 'handled'
-
-  /**
-   * Called when scrollable content view of the ScrollView changes.
-   * Handler function is passed the content width and content height as parameters: (contentWidth, contentHeight)
-   * It's implemented using onLayout handler attached to the content container which this ScrollView renders.
-   *
-   */
-  onContentSizeChange?: (w: number, h: number) => void
-
-  /**
-   * Fires at most once per frame during scrolling.
-   * The frequency of the events can be contolled using the scrollEventThrottle prop.
-   */
-  onScroll?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void
-
-  /**
-   * Fires if a user initiates a scroll gesture.
-   */
-  onScrollBeginDrag?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void
-
-  /**
-   * Fires when a user has finished scrolling.
-   */
-  onScrollEndDrag?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void
-
-  /**
-   * Fires when scroll view has finished moving
-   */
-  onMomentumScrollEnd?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void
-
-  /**
-   * Fires when scroll view has begun moving
-   */
-  onMomentumScrollBegin?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void
-
-  /**
-   * When true the scroll view stops on multiples of the scroll view's size
-   * when scrolling. This can be used for horizontal pagination. The default
-   * value is false.
-   */
-  pagingEnabled?: boolean
-
-  /**
-   * When false, the content does not scroll. The default value is true
-   */
-  scrollEnabled?: boolean // true
-
-  /**
-   * Experimental: When true offscreen child views (whose `overflow` value is
-   * `hidden`) are removed from their native backing superview when offscreen.
-   * This canimprove scrolling performance on long lists. The default value is
-   * false.
-   */
-  removeClippedSubviews?: boolean
-
-  /**
-   * When true, shows a horizontal scroll indicator.
-   */
-  showsHorizontalScrollIndicator?: boolean
-
-  /**
-   * When true, shows a vertical scroll indicator.
-   */
-  showsVerticalScrollIndicator?: boolean
-
-  /**
-   * Style
-   */
-  style?: StyleProp<ViewStyle>
-
-  /**
-   * A RefreshControl component, used to provide pull-to-refresh
-   * functionality for the ScrollView.
-   */
-  refreshControl?: React.ReactElement<RefreshControlProps>
-
-  /**
-   * When `snapToInterval` is set, `snapToAlignment` will define the relationship of the the snapping to the scroll view.
-   *      - `start` (the default) will align the snap at the left (horizontal) or top (vertical)
-   *      - `center` will align the snap in the center
-   *      - `end` will align the snap at the right (horizontal) or bottom (vertical)
-   */
-  snapToAlignment?: 'start' | 'center' | 'end'
-
-  /**
-   * When set, causes the scroll view to stop at multiples of the value of `snapToInterval`.
-   * This can be used for paginating through children that have lengths smaller than the scroll view.
-   * Used in combination with `snapToAlignment` and `decelerationRate="fast"`. Overrides less
-   * configurable `pagingEnabled` prop.
-   */
-  snapToInterval?: number
-
-  /**
-   * When set, causes the scroll view to stop at the defined offsets. This can be used for
-   * paginating through variously sized children that have lengths smaller than the scroll view.
-   * Typically used in combination with `decelerationRate="fast"`. Overrides less configurable
-   * `pagingEnabled` and `snapToInterval` props.
-   */
-  snapToOffsets?: number[]
-
-  /**
-   * Use in conjuction with `snapToOffsets`. By default, the beginning of the list counts as a
-   * snap offset. Set `snapToStart` to false to disable this behavior and allow the list to scroll
-   * freely between its start and the first `snapToOffsets` offset. The default value is true.
-   */
-  snapToStart?: boolean
-
-  /**
-   * Use in conjuction with `snapToOffsets`. By default, the end of the list counts as a snap
-   * offset. Set `snapToEnd` to false to disable this behavior and allow the list to scroll freely
-   * between its end and the last `snapToOffsets` offset. The default value is true.
-   */
-  snapToEnd?: boolean
-}
+    getScrollableNode(): any;
 
-declare class ScrollViewComponent extends React.Component<ScrollViewProps> {}
-declare const ScrollViewBase: Constructor<ScrollResponderMixin> & typeof ScrollViewComponent
-export class ScrollView extends ScrollViewBase {
-  /**
-   * Scrolls to a given x, y offset, either immediately or with a smooth animation.
-   * Syntax:
-   *
-   * scrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true})
-   *
-   * Note: The weird argument signature is due to the fact that, for historical reasons,
-   * the function also accepts separate arguments as as alternative to the options object.
-   * This is deprecated due to ambiguity (y before x), and SHOULD NOT BE USED.
-   */
-  scrollTo(y?: number | {x?: number; y?: number; animated?: boolean}, x?: number, animated?: boolean): void
-
-  /**
-   * A helper function that scrolls to the end of the scrollview;
-   * If this is a vertical ScrollView, it scrolls to the bottom.
-   * If this is a horizontal ScrollView scrolls to the right.
-   *
-   * The options object has an animated prop, that enables the scrolling animation or not.
-   * The animated prop defaults to true
-   */
-  scrollToEnd(options?: {animated: boolean}): void
-
-  /**
-   * Returns a reference to the underlying scroll responder, which supports
-   * operations like `scrollTo`. All ScrollView-like components should
-   * implement this method so that they can be composed while providing access
-   * to the underlying scroll responder's methods.
-   */
-  getScrollResponder(): JSX.Element
-
-  getScrollableNode(): any
-
-  // Undocumented
-  getInnerViewNode(): any
-
-  // Deprecated, do not use.
-  scrollWithoutAnimationTo?: (y: number, x: number) => void
+    // Undocumented
+    getInnerViewNode(): any;
+
+    // Deprecated, do not use.
+    scrollWithoutAnimationTo?: (y: number, x: number) => void;
 }
 
 export interface NativeScrollRectangle {
-  left: number
-  top: number
-  bottom: number
-  right: number
+    left: number;
+    top: number;
+    bottom: number;
+    right: number;
 }
 
 export interface NativeScrollPoint {
-  x: number
-  y: number
+    x: number;
+    y: number;
 }
 
 export interface NativeScrollVelocity {
-  x: number
-  y: number
+    x: number;
+    y: number;
 }
 
 export interface NativeScrollSize {
-  height: number
-  width: number
+    height: number;
+    width: number;
 }
 
 export interface NativeScrollEvent {
-  contentInset: NativeScrollRectangle
-  contentOffset: NativeScrollPoint
-  contentSize: NativeScrollSize
-  layoutMeasurement: NativeScrollSize
-  velocity?: NativeScrollVelocity
-  zoomScale: number
+    contentInset: NativeScrollRectangle;
+    contentOffset: NativeScrollPoint;
+    contentSize: NativeScrollSize;
+    layoutMeasurement: NativeScrollSize;
+    velocity?: NativeScrollVelocity;
+    zoomScale: number;
 }
 
 export interface SnapshotViewIOSProps extends ViewProps {
-  // A callback when the Snapshot view is ready to be compared
-  onSnapshotReady(): any
+    // A callback when the Snapshot view is ready to be compared
+    onSnapshotReady(): any;
 
-  // A name to identify the individual instance to the SnapshotView
-  testIdentifier: string
+    // A name to identify the individual instance to the SnapshotView
+    testIdentifier: string;
 }
 
 declare class SnapshotViewIOSComponent extends React.Component<SnapshotViewIOSProps> {}
-declare const SnapshotViewIOSBase: Constructor<NativeMethodsMixin> & typeof SnapshotViewIOSComponent
+declare const SnapshotViewIOSBase: Constructor<NativeMethodsMixin> & typeof SnapshotViewIOSComponent;
 export class SnapshotViewIOS extends SnapshotViewIOSBase {}
 
 // Deduced from
@@ -6759,43 +6739,43 @@ export class SnapshotViewIOS extends SnapshotViewIOSBase {}
  * ListViewDataSource is not subclassed.
  */
 export interface SwipeableListViewDataSource {
-  cloneWithRowsAndSections(
-    dataBlob: any,
-    sectionIdentities?: Array<string>,
-    rowIdentities?: Array<Array<string>>
-  ): SwipeableListViewDataSource
-  getDataSource(): ListViewDataSource
-  getOpenRowID(): string
-  getFirstRowID(): string
-  setOpenRowID(rowID: string): SwipeableListViewDataSource
+    cloneWithRowsAndSections(
+        dataBlob: any,
+        sectionIdentities?: Array<string>,
+        rowIdentities?: Array<Array<string>>
+    ): SwipeableListViewDataSource;
+    getDataSource(): ListViewDataSource;
+    getOpenRowID(): string;
+    getFirstRowID(): string;
+    setOpenRowID(rowID: string): SwipeableListViewDataSource;
 }
 
 export interface SwipeableListViewProps {
-  /**
-   * To alert the user that swiping is possible, the first row can bounce
-   * on component mount.
-   */
-  bounceFirstRowOnMount: boolean
+    /**
+     * To alert the user that swiping is possible, the first row can bounce
+     * on component mount.
+     */
+    bounceFirstRowOnMount: boolean;
 
-  /**
-   * Use `SwipeableListView.getNewDataSource()` to get a data source to use,
-   * then use it just like you would a normal ListView data source
-   */
-  dataSource: SwipeableListViewDataSource
+    /**
+     * Use `SwipeableListView.getNewDataSource()` to get a data source to use,
+     * then use it just like you would a normal ListView data source
+     */
+    dataSource: SwipeableListViewDataSource;
 
-  // Maximum distance to open to after a swipe
-  maxSwipeDistance: number
+    // Maximum distance to open to after a swipe
+    maxSwipeDistance: number;
 
-  // Callback method to render the swipeable view
-  renderRow: (
-    rowData: any,
-    sectionID: string | number,
-    rowID: string | number,
-    highlightRow?: boolean
-  ) => React.ReactElement
+    // Callback method to render the swipeable view
+    renderRow: (
+        rowData: any,
+        sectionID: string | number,
+        rowID: string | number,
+        highlightRow?: boolean
+    ) => React.ReactElement;
 
-  // Callback method to render the view that will be unveiled on swipe
-  renderQuickActions(rowData: any, sectionID: string | number, rowID: string | number): React.ReactElement
+    // Callback method to render the view that will be unveiled on swipe
+    renderQuickActions(rowData: any, sectionID: string | number, rowID: string | number): React.ReactElement;
 }
 
 /**
@@ -6817,7 +6797,7 @@ export interface SwipeableListViewProps {
  * - More to come
  */
 export class SwipeableListView extends React.Component<SwipeableListViewProps> {
-  static getNewDataSource(): SwipeableListViewDataSource
+    static getNewDataSource(): SwipeableListViewDataSource;
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -6830,201 +6810,242 @@ export class SwipeableListView extends React.Component<SwipeableListViewProps> {
  * @see: http://facebook.github.io/react-native/docs/actionsheetios.html#content
  */
 export interface ActionSheetIOSOptions {
-  title?: string
-  options: string[]
-  cancelButtonIndex?: number
-  destructiveButtonIndex?: number
-  message?: string
-  anchor?: number
-  tintColor?: string
+    title?: string;
+    options: string[];
+    cancelButtonIndex?: number;
+    destructiveButtonIndex?: number;
+    message?: string;
+    anchor?: number;
+    tintColor?: string;
 }
 
 export interface ShareActionSheetIOSOptions {
-  message?: string
-  url?: string
-  subject?: string
-  /** The activities to exclude from the ActionSheet.
-   * For example: ['com.apple.UIKit.activity.PostToTwitter']
-   */
-  excludedActivityTypes?: string[]
+    message?: string;
+    url?: string;
+    subject?: string;
+    /** The activities to exclude from the ActionSheet.
+     * For example: ['com.apple.UIKit.activity.PostToTwitter']
+     */
+    excludedActivityTypes?: string[];
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/actionsheetios.html#content
  */
 export interface ActionSheetIOSStatic {
-  /**
-   * Display an iOS action sheet. The `options` object must contain one or more
-   * of:
-   * - `options` (array of strings) - a list of button titles (required)
-   * - `cancelButtonIndex` (int) - index of cancel button in `options`
-   * - `destructiveButtonIndex` (int) - index of destructive button in `options`
-   * - `title` (string) - a title to show above the action sheet
-   * - `message` (string) - a message to show below the title
-   */
-  showActionSheetWithOptions: (
-    options: ActionSheetIOSOptions,
-    callback: (buttonIndex: number) => void
-  ) => void
-
-  /**
-   * Display the iOS share sheet. The `options` object should contain
-   * one or both of `message` and `url` and can additionally have
-   * a `subject` or `excludedActivityTypes`:
-   *
-   * - `url` (string) - a URL to share
-   * - `message` (string) - a message to share
-   * - `subject` (string) - a subject for the message
-   * - `excludedActivityTypes` (array) - the activities to exclude from the ActionSheet
-   *
-   * NOTE: if `url` points to a local file, or is a base64-encoded
-   * uri, the file it points to will be loaded and shared directly.
-   * In this way, you can share images, videos, PDF files, etc.
-   */
-  showShareActionSheetWithOptions: (
-    options: ShareActionSheetIOSOptions,
-    failureCallback: (error: Error) => void,
-    successCallback: (success: boolean, method: string) => void
-  ) => void
+    /**
+     * Display an iOS action sheet. The `options` object must contain one or more
+     * of:
+     * - `options` (array of strings) - a list of button titles (required)
+     * - `cancelButtonIndex` (int) - index of cancel button in `options`
+     * - `destructiveButtonIndex` (int) - index of destructive button in `options`
+     * - `title` (string) - a title to show above the action sheet
+     * - `message` (string) - a message to show below the title
+     */
+    showActionSheetWithOptions: (options: ActionSheetIOSOptions, callback: (buttonIndex: number) => void) => void;
+
+    /**
+     * Display the iOS share sheet. The `options` object should contain
+     * one or both of `message` and `url` and can additionally have
+     * a `subject` or `excludedActivityTypes`:
+     *
+     * - `url` (string) - a URL to share
+     * - `message` (string) - a message to share
+     * - `subject` (string) - a subject for the message
+     * - `excludedActivityTypes` (array) - the activities to exclude from the ActionSheet
+     *
+     * NOTE: if `url` points to a local file, or is a base64-encoded
+     * uri, the file it points to will be loaded and shared directly.
+     * In this way, you can share images, videos, PDF files, etc.
+     */
+    showShareActionSheetWithOptions: (
+        options: ShareActionSheetIOSOptions,
+        failureCallback: (error: Error) => void,
+        successCallback: (success: boolean, method: string) => void
+    ) => void;
 }
 
 export type ShareContent =
-  | {
-      title?: string
-      message: string
-    }
-  | {
-      title?: string
-      url: string
-    }
+    | {
+          title?: string;
+          message: string;
+      }
+    | {
+          title?: string;
+          url: string;
+      };
 
 export type ShareOptions = {
-  dialogTitle?: string
-  excludedActivityTypes?: Array<string>
-  tintColor?: string
-  subject?: string
-}
+    dialogTitle?: string;
+    excludedActivityTypes?: Array<string>;
+    tintColor?: string;
+    subject?: string;
+};
 
 export type ShareSharedAction = {
-  action: 'sharedAction'
-  activityType?: string
-}
+    action: "sharedAction";
+    activityType?: string;
+};
 
 export type ShareDismissedAction = {
-  action: 'dismissedAction'
-}
+    action: "dismissedAction"
+};
 
-export type ShareAction = ShareSharedAction | ShareDismissedAction
+export type ShareAction = ShareSharedAction | ShareDismissedAction;
 
 export interface ShareStatic {
-  /**
-   * Open a dialog to share text content.
-   *
-   * In iOS, Returns a Promise which will be invoked an object containing `action`, `activityType`.
-   * If the user dismissed the dialog, the Promise will still be resolved with action being `Share.dismissedAction`
-   * and all the other keys being undefined.
-   *
-   * In Android, Returns a Promise which always be resolved with action being `Share.sharedAction`.
-   *
-   * ### Content
-   *
-   *  - `message` - a message to share
-   *  - `title` - title of the message
-   *
-   * #### iOS
-   *
-   *  - `url` - an URL to share
-   *
-   * At least one of URL and message is required.
-   *
-   * ### Options
-   *
-   * #### iOS
-   *
-   * - `excludedActivityTypes`
-   * - `tintColor`
-   *
-   * #### Android
-   *
-   * - `dialogTitle`
-   *
-   */
-  share(content: ShareContent, options?: ShareOptions): Promise<ShareAction>
-  sharedAction: 'sharedAction'
-  dismissedAction: 'dismissedAction'
-}
-
-type AccessibilityEventName = 'change' | 'announcementFinished'
-
-type AccessibilityChangeEvent = boolean
+    /**
+     * Open a dialog to share text content.
+     *
+     * In iOS, Returns a Promise which will be invoked an object containing `action`, `activityType`.
+     * If the user dismissed the dialog, the Promise will still be resolved with action being `Share.dismissedAction`
+     * and all the other keys being undefined.
+     *
+     * In Android, Returns a Promise which always be resolved with action being `Share.sharedAction`.
+     *
+     * ### Content
+     *
+     *  - `message` - a message to share
+     *  - `title` - title of the message
+     *
+     * #### iOS
+     *
+     *  - `url` - an URL to share
+     *
+     * At least one of URL and message is required.
+     *
+     * ### Options
+     *
+     * #### iOS
+     *
+     * - `excludedActivityTypes`
+     * - `tintColor`
+     *
+     * #### Android
+     *
+     * - `dialogTitle`
+     *
+     */
+    share(content: ShareContent, options?: ShareOptions): Promise<ShareAction>;
+    sharedAction: "sharedAction";
+    dismissedAction: "dismissedAction";
+}
+
+type AccessibilityEventName =
+    "change" | // deprecated, maps to screenReaderChanged
+    "boldTextChanged" | // iOS-only Event
+    "grayscaleChanged" | // iOS-only Event
+    "invertColorsChanged" | // iOS-only Event
+    "reduceMotionChanged" |
+    "screenReaderChanged" |
+    "reduceTransparencyChanged" | // iOS-only Event
+    "announcementFinished"; // iOS-only Event
+
+type AccessibilityChangeEvent = boolean;
 
 type AccessibilityAnnoucementFinishedEvent = {
-  announcement: string
-  success: boolean
-}
+    announcement: string;
+    success: boolean;
+};
 
-type AccessibilityEvent = AccessibilityChangeEvent | AccessibilityAnnoucementFinishedEvent
+type AccessibilityEvent = AccessibilityChangeEvent | AccessibilityAnnoucementFinishedEvent;
 
 /**
  * @see https://facebook.github.io/react-native/docs/accessibilityinfo.html
  */
 export interface AccessibilityInfoStatic {
-  /**
-   * Query whether a screen reader is currently enabled.
-   * Returns a promise which resolves to a boolean. The result is true when a screen reader is enabled and false otherwise.
-   */
-  fetch: () => Promise<boolean>
-
-  /**
-   * Add an event handler. Supported events:
-   *  - change: Fires when the state of the screen reader changes.
-   *            The argument to the event handler is a boolean.
-   *            The boolean is true when a screen reader is enabled and false otherwise.
-   *
-   * - announcementFinished: iOS-only event. Fires when the screen reader has finished making an announcement.
-   *                         The argument to the event handler is a dictionary with these keys:
-   *                          - announcement: The string announced by the screen reader.
-   *                          - success: A boolean indicating whether the announcement was successfully made.
-   */
-  addEventListener: (eventName: AccessibilityEventName, handler: (event: AccessibilityEvent) => void) => void
-
-  /**
-   * Remove an event handler.
-   */
-  removeEventListener: (
-    eventName: AccessibilityEventName,
-    handler: (event: AccessibilityEvent) => void
-  ) => void
-
-  /**
-   * Set acessibility focus to a react component.
-   *
-   * @platform ios
-   */
-  setAccessibilityFocus: (reactTag: number) => void
-
-  /**
-   * Post a string to be announced by the screen reader.
-   *
-   * @platform ios
-   */
-  announceForAccessibility: (announcement: string) => void
+    /**
+     * Query whether bold text is currently enabled.
+     *
+     * @platform ios
+     */
+    isBoldTextEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether grayscale is currently enabled.
+     *
+     * @platform ios
+     */
+    isGrayscaleEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether invert colors is currently enabled.
+     *
+     * @platform ios
+     */
+    isInvertColorsEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether reduce motion is currently enabled.
+     */
+    isReduceMotionEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether reduce transparency is currently enabled.
+     *
+     * @platform ios
+     */
+    isReduceTransparencyEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether a screen reader is currently enabled.
+     */
+    isScreenReaderEnabled: () => Promise<boolean>;
+
+    /**
+     * Query whether a screen reader is currently enabled.
+     *
+     * @deprecated use isScreenReaderChanged instead
+     */
+    fetch(): () => Promise<boolean>;
+
+    /**
+     * Add an event handler. Supported events:
+     * - announcementFinished: iOS-only event. Fires when the screen reader has finished making an announcement.
+     *                         The argument to the event handler is a dictionary with these keys:
+     *                          - announcement: The string announced by the screen reader.
+     *                          - success: A boolean indicating whether the announcement was successfully made.
+     * - AccessibilityEventName constants other than announcementFinished: Fires on accessibility feature change.
+     *            The argument to the event handler is a boolean.
+     *            The boolean is true when the related event's feature is enabled and false otherwise.
+     *
+     */
+    addEventListener: (eventName: AccessibilityEventName, handler: (event: AccessibilityEvent) => void) => void;
+
+    /**
+     * Remove an event handler.
+     */
+    removeEventListener: (eventName: AccessibilityEventName, handler: (event: AccessibilityEvent) => void) => void;
+
+    /**
+     * Set acessibility focus to a react component.
+     *
+     * @platform ios
+     */
+    setAccessibilityFocus: (reactTag: number) => void;
+
+    /**
+     * Post a string to be announced by the screen reader.
+     *
+     * @platform ios
+     */
+    announceForAccessibility: (announcement: string) => void;
 }
 
 /**
  * @see https://facebook.github.io/react-native/docs/alert.html#content
  */
 export interface AlertButton {
-  text?: string
-  onPress?: () => void
-  style?: 'default' | 'cancel' | 'destructive'
+    text?: string;
+    onPress?: () => void;
+    style?: "default" | "cancel" | "destructive";
 }
 
 interface AlertOptions {
-  /** @platform android */
-  cancelable?: boolean
-  /** @platform android */
-  onDismiss?: () => void
+    /** @platform android */
+    cancelable?: boolean;
+    /** @platform android */
+    onDismiss?: () => void;
 }
 
 /**
@@ -7066,34 +7087,31 @@ interface AlertOptions {
  * ```
  */
 export interface AlertStatic {
-  alert: (title: string, message?: string, buttons?: AlertButton[], options?: AlertOptions) => void
+    alert: (title: string, message?: string, buttons?: AlertButton[], options?: AlertOptions) => void;
 }
 
 /**
  * Wrapper around the Android native module.
  */
 export interface AlertAndroidStatic {
-  alert: (title: string, message?: string, buttons?: AlertButton[], options?: AlertOptions) => void
+    alert: (title: string, message?: string, buttons?: AlertButton[], options?: AlertOptions) => void;
 }
 
 /**
  * //FIXME: No documentation - inferred from RCTAdSupport.m
  */
 export interface AdSupportIOSStatic {
-  getAdvertisingId: (onSuccess: (deviceId: string) => void, onFailure: (err: Error) => void) => void
-  getAdvertisingTrackingEnabled: (
-    onSuccess: (hasTracking: boolean) => void,
-    onFailure: (err: Error) => void
-  ) => void
+    getAdvertisingId: (onSuccess: (deviceId: string) => void, onFailure: (err: Error) => void) => void;
+    getAdvertisingTrackingEnabled: (onSuccess: (hasTracking: boolean) => void, onFailure: (err: Error) => void) => void;
 }
 
 interface AlertIOSButton {
-  text: string
-  onPress?: (message?: string) => void
-  style?: 'default' | 'cancel' | 'destructive'
+    text: string;
+    onPress?: (message?: string) => void;
+    style?: "default" | "cancel" | "destructive";
 }
 
-export type AlertType = 'default' | 'plain-text' | 'secure-text' | 'login-password'
+export type AlertType = "default" | "plain-text" | "secure-text" | "login-password";
 
 /**
  * @description
@@ -7106,52 +7124,52 @@ export type AlertType = 'default' | 'plain-text' | 'secure-text' | 'login-passwo
  * @see https://facebook.github.io/react-native/docs/alertios.html#content
  */
 export interface AlertIOSStatic {
-  /**
-   * Create and display a popup alert.
-   * @param title The dialog's title.
-   * @param message An optional message that appears below
-   *     the dialog's title.
-   * @param callbackOrButtons This optional argument should
-   *    be either a single-argument function or an array of buttons. If passed
-   *    a function, it will be called when the user taps 'OK'.
-   *
-   *    If passed an array of button configurations, each button should include
-   *    a `text` key, as well as optional `onPress` and `style` keys. `style`
-   *    should be one of 'default', 'cancel' or 'destructive'.
-   * @param type Deprecated, do not use.
-   */
-  alert: (
-    title: string,
-    message?: string,
-    callbackOrButtons?: (() => void) | Array<AlertIOSButton>,
-    type?: AlertType
-  ) => void
-
-  /**
-   * Create and display a prompt to enter some text.
-   * @param title The dialog's title.
-   * @param message An optional message that appears above the text
-   *    input.
-   * @param callbackOrButtons This optional argument should
-   *    be either a single-argument function or an array of buttons. If passed
-   *    a function, it will be called with the prompt's value when the user
-   *    taps 'OK'.
-   *
-   *    If passed an array of button configurations, each button should include
-   *    a `text` key, as well as optional `onPress` and `style` keys (see
-   *    example). `style` should be one of 'default', 'cancel' or 'destructive'.
-   * @param type This configures the text input. One of 'plain-text',
-   *    'secure-text' or 'login-password'.
-   * @param defaultValue The default text in text input.
-   */
-  prompt: (
-    title: string,
-    message?: string,
-    callbackOrButtons?: ((value: string) => void) | Array<AlertIOSButton>,
-    type?: AlertType,
-    defaultValue?: string,
-    keyboardType?: KeyboardType | KeyboardTypeIOS
-  ) => void
+    /**
+     * Create and display a popup alert.
+     * @param title The dialog's title.
+     * @param message An optional message that appears below
+     *     the dialog's title.
+     * @param callbackOrButtons This optional argument should
+     *    be either a single-argument function or an array of buttons. If passed
+     *    a function, it will be called when the user taps 'OK'.
+     *
+     *    If passed an array of button configurations, each button should include
+     *    a `text` key, as well as optional `onPress` and `style` keys. `style`
+     *    should be one of 'default', 'cancel' or 'destructive'.
+     * @param type Deprecated, do not use.
+     */
+    alert: (
+        title: string,
+        message?: string,
+        callbackOrButtons?: (() => void) | Array<AlertIOSButton>,
+        type?: AlertType
+    ) => void;
+
+    /**
+     * Create and display a prompt to enter some text.
+     * @param title The dialog's title.
+     * @param message An optional message that appears above the text
+     *    input.
+     * @param callbackOrButtons This optional argument should
+     *    be either a single-argument function or an array of buttons. If passed
+     *    a function, it will be called with the prompt's value when the user
+     *    taps 'OK'.
+     *
+     *    If passed an array of button configurations, each button should include
+     *    a `text` key, as well as optional `onPress` and `style` keys (see
+     *    example). `style` should be one of 'default', 'cancel' or 'destructive'.
+     * @param type This configures the text input. One of 'plain-text',
+     *    'secure-text' or 'login-password'.
+     * @param defaultValue The default text in text input.
+     */
+    prompt: (
+        title: string,
+        message?: string,
+        callbackOrButtons?: ((value: string) => void) | Array<AlertIOSButton>,
+        type?: AlertType,
+        defaultValue?: string,
+        keyboardType?: KeyboardType | KeyboardTypeIOS
+    ) => void;
 }
 
 /**
@@ -7170,99 +7188,99 @@ export interface AlertIOSStatic {
  *
  * @see https://facebook.github.io/react-native/docs/appstateios.html#content
  */
-export type AppStateEvent = 'change' | 'memoryWarning'
-export type AppStateStatus = 'active' | 'background' | 'inactive'
+export type AppStateEvent = "change" | "memoryWarning";
+export type AppStateStatus = "active" | "background" | "inactive";
+
+export interface AppStateStatic {
+    currentState: AppStateStatus;
+
+    /**
+     * Add a handler to AppState changes by listening to the change event
+     * type and providing the handler
+     */
+    addEventListener(type: AppStateEvent, listener: (state: AppStateStatus) => void): void;
+
+    /**
+     * Remove a handler by passing the change event type and the handler
+     */
+    removeEventListener(type: AppStateEvent, listener: (state: AppStateStatus) => void): void;
+}
+
+/**
+ * AsyncStorage is a simple, unencrypted, asynchronous, persistent, key-value storage
+ * system that is global to the app.  It should be used instead of LocalStorage.
+ *
+ * It is recommended that you use an abstraction on top of `AsyncStorage`
+ * instead of `AsyncStorage` directly for anything more than light usage since
+ * it operates globally.
+ *
+ * On iOS, `AsyncStorage` is backed by native code that stores small values in a
+ * serialized dictionary and larger values in separate files. On Android,
+ * `AsyncStorage` will use either [RocksDB](http://rocksdb.org/) or SQLite
+ * based on what is available.
+ *
+ * @see https://facebook.github.io/react-native/docs/asyncstorage.html#content
+ */
+export interface AsyncStorageStatic {
+    /**
+     * Fetches key and passes the result to callback, along with an Error if there is any.
+     */
+    getItem(key: string, callback?: (error?: Error, result?: string) => void): Promise<string | null>;
+
+    /**
+     * Sets value for key and calls callback on completion, along with an Error if there is any
+     */
+    setItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
+
+    removeItem(key: string, callback?: (error?: Error) => void): Promise<void>;
+
+    /**
+     * Merges existing value with input value, assuming they are stringified json. Returns a Promise object.
+     * Not supported by all native implementation
+     */
+    mergeItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>;
+
+    /**
+     * Erases all AsyncStorage for all clients, libraries, etc. You probably don't want to call this.
+     * Use removeItem or multiRemove to clear only your own keys instead.
+     */
+    clear(callback?: (error?: Error) => void): Promise<void>;
+
+    /**
+     * Gets all keys known to the app, for all callers, libraries, etc
+     */
+    getAllKeys(callback?: (error?: Error, keys?: string[]) => void): Promise<string[]>;
 
-export interface AppStateStatic {
-  currentState: AppStateStatus
+    /**
+     * multiGet invokes callback with an array of key-value pair arrays that matches the input format of multiSet
+     */
+    multiGet(
+        keys: string[],
+        callback?: (errors?: Error[], result?: [string, string][]) => void
+    ): Promise<[string, string][]>;
+
+    /**
+     * multiSet and multiMerge take arrays of key-value array pairs that match the output of multiGet,
+     *
+     * multiSet([['k1', 'val1'], ['k2', 'val2']], cb);
+     */
+    multiSet(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
 
-  /**
-   * Add a handler to AppState changes by listening to the change event
-   * type and providing the handler
-   */
-  addEventListener(type: AppStateEvent, listener: (state: AppStateStatus) => void): void
+    /**
+     * Delete all the keys in the keys array.
+     */
+    multiRemove(keys: string[], callback?: (errors?: Error[]) => void): Promise<void>;
 
-  /**
-   * Remove a handler by passing the change event type and the handler
-   */
-  removeEventListener(type: AppStateEvent, listener: (state: AppStateStatus) => void): void
+    /**
+     * Merges existing values with input values, assuming they are stringified json.
+     * Returns a Promise object.
+     *
+     * Not supported by all native implementations.
+     */
+    multiMerge(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>;
 }
 
-/**
- * AsyncStorage is a simple, unencrypted, asynchronous, persistent, key-value storage
- * system that is global to the app.  It should be used instead of LocalStorage.
- *
- * It is recommended that you use an abstraction on top of `AsyncStorage`
- * instead of `AsyncStorage` directly for anything more than light usage since
- * it operates globally.
- *
- * On iOS, `AsyncStorage` is backed by native code that stores small values in a
- * serialized dictionary and larger values in separate files. On Android,
- * `AsyncStorage` will use either [RocksDB](http://rocksdb.org/) or SQLite
- * based on what is available.
- *
- * @see https://facebook.github.io/react-native/docs/asyncstorage.html#content
- */
-export interface AsyncStorageStatic {
-  /**
-   * Fetches key and passes the result to callback, along with an Error if there is any.
-   */
-  getItem(key: string, callback?: (error?: Error, result?: string) => void): Promise<string | null>
-
-  /**
-   * Sets value for key and calls callback on completion, along with an Error if there is any
-   */
-  setItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>
-
-  removeItem(key: string, callback?: (error?: Error) => void): Promise<void>
-
-  /**
-   * Merges existing value with input value, assuming they are stringified json. Returns a Promise object.
-   * Not supported by all native implementation
-   */
-  mergeItem(key: string, value: string, callback?: (error?: Error) => void): Promise<void>
-
-  /**
-   * Erases all AsyncStorage for all clients, libraries, etc. You probably don't want to call this.
-   * Use removeItem or multiRemove to clear only your own keys instead.
-   */
-  clear(callback?: (error?: Error) => void): Promise<void>
-
-  /**
-   * Gets all keys known to the app, for all callers, libraries, etc
-   */
-  getAllKeys(callback?: (error?: Error, keys?: string[]) => void): Promise<string[]>
-
-  /**
-   * multiGet invokes callback with an array of key-value pair arrays that matches the input format of multiSet
-   */
-  multiGet(
-    keys: string[],
-    callback?: (errors?: Error[], result?: [string, string][]) => void
-  ): Promise<[string, string][]>
-
-  /**
-   * multiSet and multiMerge take arrays of key-value array pairs that match the output of multiGet,
-   *
-   * multiSet([['k1', 'val1'], ['k2', 'val2']], cb);
-   */
-  multiSet(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>
-
-  /**
-   * Delete all the keys in the keys array.
-   */
-  multiRemove(keys: string[], callback?: (errors?: Error[]) => void): Promise<void>
-
-  /**
-   * Merges existing values with input values, assuming they are stringified json.
-   * Returns a Promise object.
-   *
-   * Not supported by all native implementations.
-   */
-  multiMerge(keyValuePairs: string[][], callback?: (errors?: Error[]) => void): Promise<void>
-}
-
-export type BackPressEventName = 'hardwareBackPress'
+export type BackPressEventName = "hardwareBackPress";
 
 /**
  * Detect hardware back button presses, and programmatically invoke the
@@ -7271,9 +7289,9 @@ export type BackPressEventName = 'hardwareBackPress'
  * Methods don't have more detailed documentation as of 0.25.
  */
 export interface BackAndroidStatic {
-  exitApp(): void
-  addEventListener(eventName: BackPressEventName, handler: () => void): void
-  removeEventListener(eventName: BackPressEventName, handler: () => void): void
+    exitApp(): void;
+    addEventListener(eventName: BackPressEventName, handler: () => void): void;
+    removeEventListener(eventName: BackPressEventName, handler: () => void): void;
 }
 
 /**
@@ -7283,100 +7301,93 @@ export interface BackAndroidStatic {
  * Methods don't have more detailed documentation as of 0.25.
  */
 export interface BackHandlerStatic {
-  exitApp(): void
-  addEventListener(eventName: BackPressEventName, handler: () => void): NativeEventSubscription
-  removeEventListener(eventName: BackPressEventName, handler: () => void): void
+    exitApp(): void;
+    addEventListener(eventName: BackPressEventName, handler: () => void): NativeEventSubscription;
+    removeEventListener(eventName: BackPressEventName, handler: () => void): void;
 }
 
 export interface ButtonProps {
-  title: string
-  onPress: (ev: NativeSyntheticEvent<NativeTouchEvent>) => void
-  color?: string
-  accessibilityLabel?: string
-  disabled?: boolean
+    title: string;
+    onPress: (ev: NativeSyntheticEvent<NativeTouchEvent>) => void;
+    color?: string;
+    accessibilityLabel?: string;
+    disabled?: boolean;
 
-  /**
-   * Used to locate this button in end-to-end tests.
-   */
-  testID?: string
+    /**
+     * Used to locate this button in end-to-end tests.
+     */
+    testID?: string;
 }
 
 export class Button extends React.Component<ButtonProps> {}
 
-export type CameraRollGroupType =
-  | 'Album'
-  | 'All'
-  | 'Event'
-  | 'Faces'
-  | 'Library'
-  | 'PhotoStream'
-  | 'SavedPhotos'
-export type CameraRollAssetType = 'All' | 'Videos' | 'Photos'
+export type CameraRollGroupType = "Album" | "All" | "Event" | "Faces" | "Library" | "PhotoStream" | "SavedPhotos";
+export type CameraRollAssetType = "All" | "Videos" | "Photos";
 
 export interface CameraRollFetchParams {
-  first: number
-  after?: string
-  groupTypes?: CameraRollGroupType
-  groupName?: string
-  assetType?: CameraRollAssetType
+    first: number;
+    after?: string;
+    groupTypes?: CameraRollGroupType;
+    groupName?: string;
+    assetType?: CameraRollAssetType;
 }
 
 export interface CameraRollNodeInfo {
-  image: Image
-  group_name: string
-  timestamp: number
-  location: any
+    image: Image;
+    group_name: string;
+    timestamp: number;
+    location: any;
 }
 
 export interface CameraRollEdgeInfo {
-  node: CameraRollNodeInfo
+    node: CameraRollNodeInfo;
 }
 
 export interface CameraRollAssetInfo {
-  edges: CameraRollEdgeInfo[]
-  page_info: {
-    has_next_page: boolean
-    end_cursor: string
-  }
+    edges: CameraRollEdgeInfo[];
+    page_info: {
+        has_next_page: boolean;
+        end_cursor: string;
+    };
 }
 
 export interface GetPhotosParamType {
-  first: number
-  after?: string
-  groupTypes?: CameraRollGroupType
-  groupName?: string
-  assetType?: CameraRollAssetType
-  mimeTypes?: string[]
+    first: number;
+    after?: string;
+    groupTypes?: CameraRollGroupType;
+    groupName?: string;
+    assetType?: CameraRollAssetType;
+    mimeTypes?: string[];
 }
 
 export interface GetPhotosReturnType {
-  edges: {
-    node: {
-      type: string
-      group_name: string
-      image: {
-        uri: string
-        height: number
-        width: number
-        playableDuration: number
-        isStored?: boolean
-      }
-      timestamp: number
-      location: {
-        latitude: number
-        longitude: number
-        altitude: number
-        heading: number
-        speed: number
-      }
-    }
-  }[]
-
-  page_info: {
-    has_next_page: boolean
-    start_cursor?: string
-    end_cursor?: string
-  }
+    edges: {
+        node: {
+            type: string;
+            group_name: string;
+            image: {
+                uri: string;
+                height: number;
+                width: number;
+                playableDuration: number;
+                isStored?: boolean;
+            };
+            timestamp: number;
+            location: {
+                latitude: number;
+                longitude: number;
+                altitude: number;
+                heading: number;
+                speed: number;
+            };
+        };
+    }[];
+
+    page_info: {
+        has_next_page: boolean;
+        start_cursor?: string;
+        end_cursor?: string;
+    };
 }
 
 /**
@@ -7385,153 +7396,153 @@ export interface GetPhotosReturnType {
  * You can refer to (Linking)[https://facebook.github.io/react-native/docs/linking-libraries-ios.html] for help.
  */
 export interface CameraRollStatic {
-  GroupTypesOptions: CameraRollGroupType[] //'Album','All','Event','Faces','Library','PhotoStream','SavedPhotos'
-  AssetTypeOptions: CameraRollAssetType[] // "All", "Videos", "Photos"
-
-  /**
-   * Saves the image to the camera roll / gallery.
-   *
-   * @tag On Android, this is a local URI, such as "file:///sdcard/img.png".
-   * On iOS, the tag can be one of the following:
-   *      local URI
-   *      assets-library tag
-   *      a tag not maching any of the above, which means the image data will be stored in memory (and consume memory as long as the process is alive)
-   *
-   * @deprecated use saveToCameraRoll instead
-   */
-  saveImageWithTag(tag: string): Promise<string>
-
-  /**
-   * Saves the photo or video to the camera roll / gallery.
-   *
-   * On Android, the tag must be a local image or video URI, such as `"file:///sdcard/img.png"`.
-   *
-   * On iOS, the tag can be any image URI (including local, remote asset-library and base64 data URIs)
-   * or a local video file URI (remote or data URIs are not supported for saving video at this time).
-   *
-   * If the tag has a file extension of .mov or .mp4, it will be inferred as a video. Otherwise
-   * it will be treated as a photo. To override the automatic choice, you can pass an optional
-   * `type` parameter that must be one of 'photo' or 'video'.
-   *
-   * Returns a Promise which will resolve with the new URI.
-   */
-  saveToCameraRoll(tag: string, type?: 'photo' | 'video'): Promise<string>
-
-  /**
-   * Saves the photo or video to the camera roll / gallery.
-   *
-   * On Android, the tag must be a local image or video URI, such as `"file:///sdcard/img.png"`.
-   *
-   * On iOS, the tag can be any image URI (including local, remote asset-library and base64 data URIs)
-   * or a local video file URI (remote or data URIs are not supported for saving video at this time).
-   *
-   * If the tag has a file extension of .mov or .mp4, it will be inferred as a video. Otherwise
-   * it will be treated as a photo. To override the automatic choice, you can pass an optional
-   * `type` parameter that must be one of 'photo' or 'video'.
-   *
-   * Returns a Promise which will resolve with the new URI.
-   */
-  saveToCameraRoll(tag: string, type?: 'photo' | 'video'): Promise<string>
-
-  /**
-   * Invokes callback with photo identifier objects from the local camera roll of the device matching shape defined by getPhotosReturnChecker.
-   *
-   * @param params See getPhotosParamChecker.
-   */
-  getPhotos(params: GetPhotosParamType): Promise<GetPhotosReturnType>
+    GroupTypesOptions: CameraRollGroupType[]; //'Album','All','Event','Faces','Library','PhotoStream','SavedPhotos'
+    AssetTypeOptions: CameraRollAssetType[]; // "All", "Videos", "Photos"
+
+    /**
+     * Saves the image to the camera roll / gallery.
+     *
+     * @tag On Android, this is a local URI, such as "file:///sdcard/img.png".
+     * On iOS, the tag can be one of the following:
+     *      local URI
+     *      assets-library tag
+     *      a tag not maching any of the above, which means the image data will be stored in memory (and consume memory as long as the process is alive)
+     *
+     * @deprecated use saveToCameraRoll instead
+     */
+    saveImageWithTag(tag: string): Promise<string>;
+
+    /**
+     * Saves the photo or video to the camera roll / gallery.
+     *
+     * On Android, the tag must be a local image or video URI, such as `"file:///sdcard/img.png"`.
+     *
+     * On iOS, the tag can be any image URI (including local, remote asset-library and base64 data URIs)
+     * or a local video file URI (remote or data URIs are not supported for saving video at this time).
+     *
+     * If the tag has a file extension of .mov or .mp4, it will be inferred as a video. Otherwise
+     * it will be treated as a photo. To override the automatic choice, you can pass an optional
+     * `type` parameter that must be one of 'photo' or 'video'.
+     *
+     * Returns a Promise which will resolve with the new URI.
+     */
+    saveToCameraRoll(tag: string, type?: "photo" | "video"): Promise<string>;
+
+    /**
+     * Saves the photo or video to the camera roll / gallery.
+     *
+     * On Android, the tag must be a local image or video URI, such as `"file:///sdcard/img.png"`.
+     *
+     * On iOS, the tag can be any image URI (including local, remote asset-library and base64 data URIs)
+     * or a local video file URI (remote or data URIs are not supported for saving video at this time).
+     *
+     * If the tag has a file extension of .mov or .mp4, it will be inferred as a video. Otherwise
+     * it will be treated as a photo. To override the automatic choice, you can pass an optional
+     * `type` parameter that must be one of 'photo' or 'video'.
+     *
+     * Returns a Promise which will resolve with the new URI.
+     */
+    saveToCameraRoll(tag: string, type?: "photo" | "video"): Promise<string>;
+
+    /**
+     * Invokes callback with photo identifier objects from the local camera roll of the device matching shape defined by getPhotosReturnChecker.
+     *
+     * @param params See getPhotosParamChecker.
+     */
+    getPhotos(params: GetPhotosParamType): Promise<GetPhotosReturnType>;
 }
 
 // https://facebook.github.io/react-native/docs/checkbox.html
 export interface CheckBoxProps extends ViewProps {
-  /**
-   * If true the user won't be able to toggle the checkbox. Default value is false.
-   */
-  disabled?: boolean
+    /**
+     * If true the user won't be able to toggle the checkbox. Default value is false.
+     */
+    disabled?: boolean;
 
-  /**
-   * Used in case the props change removes the component.
-   */
-  onChange?: (value: boolean) => void
+    /**
+     * Used in case the props change removes the component.
+     */
+    onChange?: (value: boolean) => void;
 
-  /**
-   * Invoked with the new value when the value changes.
-   */
-  onValueChange?: (value: boolean) => void
+    /**
+     * Invoked with the new value when the value changes.
+     */
+    onValueChange?: (value: boolean) => void;
 
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
 
-  /**
-   * The value of the checkbox. If true the checkbox will be turned on. Default value is false.
-   */
-  value?: boolean
+    /**
+     * The value of the checkbox. If true the checkbox will be turned on. Default value is false.
+     */
+    value?: boolean;
 }
 
 export class CheckBox extends React.Component<CheckBoxProps> {}
 
 /** Clipboard gives you an interface for setting and getting content from Clipboard on both iOS and Android */
 export interface ClipboardStatic {
-  getString(): Promise<string>
-  setString(content: string): void
+    getString(): Promise<string>;
+    setString(content: string): void;
 }
 
 export interface DatePickerAndroidOpenOptions {
-  date?: Date | number
-  minDate?: Date | number
-  maxDate?: Date | number
-  mode?: 'calendar' | 'spinner' | 'default'
+    date?: Date | number;
+    minDate?: Date | number;
+    maxDate?: Date | number;
+    mode?: "calendar" | "spinner" | "default";
 }
 
 // Deduced from DatePickerAndroid.android.js
 export interface DatePickerAndroidDateSetAction {
-  action: 'dateSetAction'
-  year: number
-  month: number
-  day: number
+    action: 'dateSetAction';
+    year: number;
+    month: number;
+    day: number;
 }
 
 export interface DatePickerAndroidDismissedAction {
-  action: 'dismissedAction'
+    action: 'dismissedAction';
 }
 
 export type DatePickerAndroidOpenReturn = DatePickerAndroidDateSetAction | DatePickerAndroidDismissedAction
 
 export interface DatePickerAndroidStatic {
-  /**
-   * Opens the standard Android date picker dialog.
-   *
-   * The available keys for the options object are:
-   * - date (Date object or timestamp in milliseconds) - date to show by default
-   * - minDate (Date or timestamp in milliseconds) - minimum date that can be selected
-   * - maxDate (Date object or timestamp in milliseconds) - maximum date that can be selected
-   * - mode (enum('calendar', 'spinner', 'default')) - To set the date-picker mode to calendar/spinner/default
-   *  - 'calendar': Show a date picker in calendar mode.
-   *  - 'spinner': Show a date picker in spinner mode.
-   *  - 'default': Show a default native date picker(spinner/calendar) based on android versions.
-   *
-   * Returns a Promise which will be invoked an object containing action, year, month (0-11), day if the user picked a date.
-   * If the user dismissed the dialog, the Promise will still be resolved with action being DatePickerAndroid.dismissedAction and all the other keys being undefined.
-   * Always check whether the action before reading the values.
-   *
-   * Note the native date picker dialog has some UI glitches on Android 4 and lower when using the minDate and maxDate options.
-   */
-  open(options?: DatePickerAndroidOpenOptions): Promise<DatePickerAndroidOpenReturn>
-
-  /**
-   * A date has been selected.
-   */
-  dateSetAction: 'dateSetAction'
-
-  /**
-   * The dialog has been dismissed.
-   */
-  dismissedAction: 'dismissedAction'
+    /**
+     * Opens the standard Android date picker dialog.
+     *
+     * The available keys for the options object are:
+     * - date (Date object or timestamp in milliseconds) - date to show by default
+     * - minDate (Date or timestamp in milliseconds) - minimum date that can be selected
+     * - maxDate (Date object or timestamp in milliseconds) - maximum date that can be selected
+     * - mode (enum('calendar', 'spinner', 'default')) - To set the date-picker mode to calendar/spinner/default
+     *  - 'calendar': Show a date picker in calendar mode.
+     *  - 'spinner': Show a date picker in spinner mode.
+     *  - 'default': Show a default native date picker(spinner/calendar) based on android versions.
+     *
+     * Returns a Promise which will be invoked an object containing action, year, month (0-11), day if the user picked a date.
+     * If the user dismissed the dialog, the Promise will still be resolved with action being DatePickerAndroid.dismissedAction and all the other keys being undefined.
+     * Always check whether the action before reading the values.
+     *
+     * Note the native date picker dialog has some UI glitches on Android 4 and lower when using the minDate and maxDate options.
+     */
+    open(options?: DatePickerAndroidOpenOptions): Promise<DatePickerAndroidOpenReturn>;
+
+    /**
+     * A date has been selected.
+     */
+    dateSetAction: 'dateSetAction';
+
+    /**
+     * The dialog has been dismissed.
+     */
+    dismissedAction: 'dismissedAction';
 }
 
 export interface IntentAndroidStatic {
-  /**
+    /**
      * Starts a corresponding external activity for the given URL.
 
         For example, if the URL is "https://www.facebook.com", the system browser will be opened, or the "choose application" dialog will be shown.
@@ -7544,9 +7555,9 @@ export interface IntentAndroidStatic {
 
         @deprecated
         */
-  openURL(url: string): void
+    openURL(url: string): void;
 
-  /**
+    /**
      * Determine whether or not an installed app can handle a given URL.
 
         You can use other URLs, like a location (e.g. "geo:37.484847,-122.148386"), a contact, or any other URL that can be opened with {@code Intent.ACTION_VIEW}.
@@ -7557,89 +7568,89 @@ export interface IntentAndroidStatic {
 
         @deprecated
         */
-  canOpenURL(url: string, callback: (supported: boolean) => void): void
+    canOpenURL(url: string, callback: (supported: boolean) => void): void;
 
-  /**
+    /**
      * If the app launch was triggered by an app link with {@code Intent.ACTION_VIEW}, it will give the link url, otherwise it will give null
 
         Refer http://developer.android.com/training/app-indexing/deep-linking.html#handling-intents
 
         @deprecated
         */
-  getInitialURL(callback: (url: string | null) => void): void
+    getInitialURL(callback: (url: string | null) => void): void;
 }
 
 export interface LinkingStatic extends NativeEventEmitter {
-  /**
-   * Add a handler to Linking changes by listening to the `url` event type
-   * and providing the handler
-   */
-  addEventListener(type: string, handler: (event: {url: string}) => void): void
-
-  /**
-   * Remove a handler by passing the `url` event type and the handler
-   */
-  removeEventListener(type: string, handler: (event: {url: string}) => void): void
-
-  /**
-   * Try to open the given url with any of the installed apps.
-   * You can use other URLs, like a location (e.g. "geo:37.484847,-122.148386"), a contact, or any other URL that can be opened with the installed apps.
-   * NOTE: This method will fail if the system doesn't know how to open the specified URL. If you're passing in a non-http(s) URL, it's best to check {@code canOpenURL} first.
-   * NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!
-   */
-  openURL(url: string): Promise<any>
-
-  /**
-   * Determine whether or not an installed app can handle a given URL.
-   * NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!
-   * NOTE: As of iOS 9, your app needs to provide the LSApplicationQueriesSchemes key inside Info.plist.
-   * @param URL the URL to open
-   */
-  canOpenURL(url: string): Promise<boolean>
-
-  /**
-   * If the app launch was triggered by an app link with, it will give the link url, otherwise it will give null
-   * NOTE: To support deep linking on Android, refer http://developer.android.com/training/app-indexing/deep-linking.html#handling-intents
-   */
-  getInitialURL(): Promise<string | null>
-
-  /**
-   * Open the Settings app and displays the app’s custom settings, if it has any.
-   */
-  openSettings(): Promise<void>
+    /**
+     * Add a handler to Linking changes by listening to the `url` event type
+     * and providing the handler
+     */
+    addEventListener(type: string, handler: (event: { url: string }) => void): void;
+
+    /**
+     * Remove a handler by passing the `url` event type and the handler
+     */
+    removeEventListener(type: string, handler: (event: { url: string }) => void): void;
+
+    /**
+     * Try to open the given url with any of the installed apps.
+     * You can use other URLs, like a location (e.g. "geo:37.484847,-122.148386"), a contact, or any other URL that can be opened with the installed apps.
+     * NOTE: This method will fail if the system doesn't know how to open the specified URL. If you're passing in a non-http(s) URL, it's best to check {@code canOpenURL} first.
+     * NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!
+     */
+    openURL(url: string): Promise<any>;
+
+    /**
+     * Determine whether or not an installed app can handle a given URL.
+     * NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!
+     * NOTE: As of iOS 9, your app needs to provide the LSApplicationQueriesSchemes key inside Info.plist.
+     * @param URL the URL to open
+     */
+    canOpenURL(url: string): Promise<boolean>;
+
+    /**
+     * If the app launch was triggered by an app link with, it will give the link url, otherwise it will give null
+     * NOTE: To support deep linking on Android, refer http://developer.android.com/training/app-indexing/deep-linking.html#handling-intents
+     */
+    getInitialURL(): Promise<string | null>;
+
+    /**
+     * Open the Settings app and displays the app’s custom settings, if it has any.
+     */
+    openSettings(): Promise<void>;
 }
 
 export interface LinkingIOSStatic {
-  /**
+    /**
      * Add a handler to LinkingIOS changes by listening to the url event type and providing the handler
      @deprecated
      */
-  addEventListener(type: string, handler: (event: {url: string}) => void): void
+    addEventListener(type: string, handler: (event: { url: string }) => void): void;
 
-  /**
+    /**
      * Remove a handler by passing the url event type and the handler
      @deprecated
      */
-  removeEventListener(type: string, handler: (event: {url: string}) => void): void
+    removeEventListener(type: string, handler: (event: { url: string }) => void): void;
 
-  /**
+    /**
      * Try to open the given url with any of the installed apps.
      @deprecated
      */
-  openURL(url: string): void
+    openURL(url: string): void;
 
-  /**
+    /**
      * Determine whether or not an installed app can handle a given URL. The callback function will be called with bool supported as the only argument
      NOTE: As of iOS 9, your app needs to provide the LSApplicationQueriesSchemes key inside Info.plist.
      @deprecated
      */
-  canOpenURL(url: string, callback: (supported: boolean) => void): void
+    canOpenURL(url: string, callback: (supported: boolean) => void): void;
 
-  /**
+    /**
      * If the app launch was triggered by an app link, it will pop the link url, otherwise it will return null
      @deprecated
      */
-  popInitialURL(): string
+    popInitialURL(): string;
 }
 
 /**
@@ -7649,195 +7660,180 @@ export interface LinkingIOSStatic {
 
 // @Deprecated ConnectionType
 export type ConnectionType =
-  | 'none'
-  | 'wifi'
-  | 'cell'
-  | 'unknown'
-  | 'NONE'
-  | 'MOBILE'
-  | 'WIFI'
-  | 'MOBILE_MMS'
-  | 'MOBILE_SUPL'
-  | 'MOBILE_DUN'
-  | 'MOBILE_HIPRI'
-  | 'WIMAX'
-  | 'BLUETOOTH'
-  | 'DUMMY'
-  | 'ETHERNET'
-  | 'MOBILE_FOTA'
-  | 'MOBILE_IMS'
-  | 'MOBILE_CBS'
-  | 'WIFI_P2P'
-  | 'MOBILE_IA'
-  | 'MOBILE_EMERGENCY'
-  | 'PROXY'
-  | 'VPN'
-  | 'UNKNOWN'
-
-export type EffectiveConnectionType = '2g' | '3g' | '4g' | 'unknown'
+    | "none"
+    | "wifi"
+    | "cell"
+    | "unknown"
+    | "NONE"
+    | "MOBILE"
+    | "WIFI"
+    | "MOBILE_MMS"
+    | "MOBILE_SUPL"
+    | "MOBILE_DUN"
+    | "MOBILE_HIPRI"
+    | "WIMAX"
+    | "BLUETOOTH"
+    | "DUMMY"
+    | "ETHERNET"
+    | "MOBILE_FOTA"
+    | "MOBILE_IMS"
+    | "MOBILE_CBS"
+    | "WIFI_P2P"
+    | "MOBILE_IA"
+    | "MOBILE_EMERGENCY"
+    | "PROXY"
+    | "VPN"
+    | "UNKNOWN";
+
+export type EffectiveConnectionType = "2g" | "3g" | "4g" | "unknown";
 
 export interface ConnectionInfo {
-  type: ConnectionType
-  effectiveType: EffectiveConnectionType
+    type: ConnectionType;
+    effectiveType: EffectiveConnectionType;
 }
 
 interface NetInfoEventListener {
-  remove: () => void
+    remove: () => void;
 }
 
 export interface NetInfoStatic {
-  /**
-   * This function is deprecated. Use `getConnectionInfo` instead. Returns a promise that
-   * resolves with one of the deprecated connectivity types listed above.
-   */
-  fetch: () => Promise<ConnectionType>
-
-  /**
-   * Adds an event handler. Supported events:
-   *
-   * - `connectionChange`: Fires when the network status changes. The argument to the event
-   *   handler is an object with keys:
-   *   - `type`: A `DeprecatedConnectionType` (listed above)
-   *   - `effectiveType`: An `EffectiveConnectionType` (listed above)
-   * - `change`: This event is deprecated. Listen to `connectionChange` instead. Fires when
-   *   the network status changes. The argument to the event handler is one of the deprecated
-   *   connectivity types listed above.
-   */
-  addEventListener: (
-    eventName: string,
-    listener: (result: ConnectionInfo | ConnectionType) => void
-  ) => NetInfoEventListener
-
-  /**
-   * Removes the listener for network status changes.
-   */
-  removeEventListener: (
-    eventName: string,
-    listener: (result: ConnectionInfo | ConnectionType) => void
-  ) => void
-
-  /**
-   * Returns a promise that resolves to an object with `type` and `effectiveType` keys
-   * whose values are a `ConnectionType` and an `EffectiveConnectionType`, (described above),
-   * respectively.
-   */
-  getConnectionInfo: () => Promise<ConnectionInfo>
-
-  /**
-   * An object with the same methods as above but the listener receives a
-   * boolean which represents the internet connectivity.
-   * Use this if you are only interested with whether the device has internet
-   * connectivity.
-   */
-  isConnected: {
-    fetch: () => Promise<boolean>
-
-    /**
-     * eventName is expected to be `change`(deprecated) or `connectionChange`
-     */
-    addEventListener: (eventName: string, listener: (result: boolean) => void) => NetInfoEventListener
-
-    /**
-     * eventName is expected to be `change`(deprecated) or `connectionChange`
-     */
-    removeEventListener: (eventName: string, listener: (result: boolean) => void) => void
-  }
-
-  /**
-   * Detect if the current active connection is
-   * metered or not. A network is classified as metered when the user is
-   * sensitive to heavy data usage on that connection due to monetary
-   * costs, data limitations or battery/performance issues.
-   */
-  isConnectionExpensive: () => Promise<boolean>
+    /**
+     * This function is deprecated. Use `getConnectionInfo` instead. Returns a promise that
+     * resolves with one of the deprecated connectivity types listed above.
+     */
+    fetch: () => Promise<ConnectionType>;
+
+    /**
+     * Adds an event handler. Supported events:
+     *
+     * - `connectionChange`: Fires when the network status changes. The argument to the event
+     *   handler is an object with keys:
+     *   - `type`: A `DeprecatedConnectionType` (listed above)
+     *   - `effectiveType`: An `EffectiveConnectionType` (listed above)
+     * - `change`: This event is deprecated. Listen to `connectionChange` instead. Fires when
+     *   the network status changes. The argument to the event handler is one of the deprecated
+     *   connectivity types listed above.
+     */
+    addEventListener: (eventName: string, listener: (result: ConnectionInfo | ConnectionType) => void) => NetInfoEventListener;
+
+    /**
+     * Removes the listener for network status changes.
+     */
+    removeEventListener: (eventName: string, listener: (result: ConnectionInfo | ConnectionType) => void) => void;
+
+    /**
+     * Returns a promise that resolves to an object with `type` and `effectiveType` keys
+     * whose values are a `ConnectionType` and an `EffectiveConnectionType`, (described above),
+     * respectively.
+     */
+    getConnectionInfo: () => Promise<ConnectionInfo>;
+
+    /**
+     * An object with the same methods as above but the listener receives a
+     * boolean which represents the internet connectivity.
+     * Use this if you are only interested with whether the device has internet
+     * connectivity.
+     */
+    isConnected: {
+        fetch: () => Promise<boolean>;
+
+        /**
+         * eventName is expected to be `change`(deprecated) or `connectionChange`
+         */
+        addEventListener: (eventName: string, listener: (result: boolean) => void) => NetInfoEventListener;
+
+        /**
+         * eventName is expected to be `change`(deprecated) or `connectionChange`
+         */
+        removeEventListener: (eventName: string, listener: (result: boolean) => void) => void;
+    };
+
+    /**
+     * Detect if the current active connection is
+     * metered or not. A network is classified as metered when the user is
+     * sensitive to heavy data usage on that connection due to monetary
+     * costs, data limitations or battery/performance issues.
+     */
+    isConnectionExpensive: () => Promise<boolean>;
 }
 
 export interface PanResponderGestureState {
-  /**
-   *  ID of the gestureState- persisted as long as there at least one touch on
-   */
-  stateID: number
-
-  /**
-   *  the latest screen coordinates of the recently-moved touch
-   */
-  moveX: number
-
-  /**
-   *  the latest screen coordinates of the recently-moved touch
-   */
-  moveY: number
-
-  /**
-   * the screen coordinates of the responder grant
-   */
-  x0: number
-
-  /**
-   * the screen coordinates of the responder grant
-   */
-  y0: number
-
-  /**
-   * accumulated distance of the gesture since the touch started
-   */
-  dx: number
-
-  /**
-   * accumulated distance of the gesture since the touch started
-   */
-  dy: number
-
-  /**
-   * current velocity of the gesture
-   */
-  vx: number
-
-  /**
-   * current velocity of the gesture
-   */
-  vy: number
-
-  /**
-   * Number of touches currently on screen
-   */
-  numberActiveTouches: number
-
-  // All `gestureState` accounts for timeStamps up until:
-  _accountsForMovesUpTo: number
+    /**
+     *  ID of the gestureState- persisted as long as there at least one touch on
+     */
+    stateID: number;
+
+    /**
+     *  the latest screen coordinates of the recently-moved touch
+     */
+    moveX: number;
+
+    /**
+     *  the latest screen coordinates of the recently-moved touch
+     */
+    moveY: number;
+
+    /**
+     * the screen coordinates of the responder grant
+     */
+    x0: number;
+
+    /**
+     * the screen coordinates of the responder grant
+     */
+    y0: number;
+
+    /**
+     * accumulated distance of the gesture since the touch started
+     */
+    dx: number;
+
+    /**
+     * accumulated distance of the gesture since the touch started
+     */
+    dy: number;
+
+    /**
+     * current velocity of the gesture
+     */
+    vx: number;
+
+    /**
+     * current velocity of the gesture
+     */
+    vy: number;
+
+    /**
+     * Number of touches currently on screen
+     */
+    numberActiveTouches: number;
+
+    // All `gestureState` accounts for timeStamps up until:
+    _accountsForMovesUpTo: number;
 }
 
 /**
  * @see documentation of GestureResponderHandlers
  */
 export interface PanResponderCallbacks {
-  onMoveShouldSetPanResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean
-  onStartShouldSetPanResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean
-  onPanResponderGrant?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderMove?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderRelease?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderTerminate?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-
-  onMoveShouldSetPanResponderCapture?: (
-    e: GestureResponderEvent,
-    gestureState: PanResponderGestureState
-  ) => boolean
-  onStartShouldSetPanResponderCapture?: (
-    e: GestureResponderEvent,
-    gestureState: PanResponderGestureState
-  ) => boolean
-  onPanResponderReject?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderStart?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderEnd?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void
-  onPanResponderTerminationRequest?: (
-    e: GestureResponderEvent,
-    gestureState: PanResponderGestureState
-  ) => boolean
-  onShouldBlockNativeResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean
+    onMoveShouldSetPanResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
+    onStartShouldSetPanResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
+    onPanResponderGrant?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderMove?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderRelease?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderTerminate?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+
+    onMoveShouldSetPanResponderCapture?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
+    onStartShouldSetPanResponderCapture?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
+    onPanResponderReject?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderStart?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderEnd?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => void;
+    onPanResponderTerminationRequest?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
+    onShouldBlockNativeResponder?: (e: GestureResponderEvent, gestureState: PanResponderGestureState) => boolean;
 }
 
 export interface PanResponderInstance {
-  panHandlers: GestureResponderHandlers
+    panHandlers: GestureResponderHandlers;
 }
 
 /**
@@ -7849,450 +7845,446 @@ export interface PanResponderInstance {
  * For each handler, it provides a new gestureState object alongside the normal event.
  */
 export interface PanResponderStatic {
-  /**
-   * @param config Enhanced versions of all of the responder callbacks
-   * that provide not only the typical `ResponderSyntheticEvent`, but also the
-   * `PanResponder` gesture state.  Simply replace the word `Responder` with
-   * `PanResponder` in each of the typical `onResponder*` callbacks. For
-   * example, the `config` object would look like:
-   *
-   *  - `onMoveShouldSetPanResponder: (e, gestureState) => {...}`
-   *  - `onMoveShouldSetPanResponderCapture: (e, gestureState) => {...}`
-   *  - `onStartShouldSetPanResponder: (e, gestureState) => {...}`
-   *  - `onStartShouldSetPanResponderCapture: (e, gestureState) => {...}`
-   *  - `onPanResponderReject: (e, gestureState) => {...}`
-   *  - `onPanResponderGrant: (e, gestureState) => {...}`
-   *  - `onPanResponderStart: (e, gestureState) => {...}`
-   *  - `onPanResponderEnd: (e, gestureState) => {...}`
-   *  - `onPanResponderRelease: (e, gestureState) => {...}`
-   *  - `onPanResponderMove: (e, gestureState) => {...}`
-   *  - `onPanResponderTerminate: (e, gestureState) => {...}`
-   *  - `onPanResponderTerminationRequest: (e, gestureState) => {...}`
-   *  - `onShouldBlockNativeResponder: (e, gestureState) => {...}`
-   *
-   *  In general, for events that have capture equivalents, we update the
-   *  gestureState once in the capture phase and can use it in the bubble phase
-   *  as well.
-   *
-   *  Be careful with onStartShould* callbacks. They only reflect updated
-   *  `gestureState` for start/end events that bubble/capture to the Node.
-   *  Once the node is the responder, you can rely on every start/end event
-   *  being processed by the gesture and `gestureState` being updated
-   *  accordingly. (numberActiveTouches) may not be totally accurate unless you
-   *  are the responder.
-   */
-  create(config: PanResponderCallbacks): PanResponderInstance
+    /**
+     * @param config Enhanced versions of all of the responder callbacks
+     * that provide not only the typical `ResponderSyntheticEvent`, but also the
+     * `PanResponder` gesture state.  Simply replace the word `Responder` with
+     * `PanResponder` in each of the typical `onResponder*` callbacks. For
+     * example, the `config` object would look like:
+     *
+     *  - `onMoveShouldSetPanResponder: (e, gestureState) => {...}`
+     *  - `onMoveShouldSetPanResponderCapture: (e, gestureState) => {...}`
+     *  - `onStartShouldSetPanResponder: (e, gestureState) => {...}`
+     *  - `onStartShouldSetPanResponderCapture: (e, gestureState) => {...}`
+     *  - `onPanResponderReject: (e, gestureState) => {...}`
+     *  - `onPanResponderGrant: (e, gestureState) => {...}`
+     *  - `onPanResponderStart: (e, gestureState) => {...}`
+     *  - `onPanResponderEnd: (e, gestureState) => {...}`
+     *  - `onPanResponderRelease: (e, gestureState) => {...}`
+     *  - `onPanResponderMove: (e, gestureState) => {...}`
+     *  - `onPanResponderTerminate: (e, gestureState) => {...}`
+     *  - `onPanResponderTerminationRequest: (e, gestureState) => {...}`
+     *  - `onShouldBlockNativeResponder: (e, gestureState) => {...}`
+     *
+     *  In general, for events that have capture equivalents, we update the
+     *  gestureState once in the capture phase and can use it in the bubble phase
+     *  as well.
+     *
+     *  Be careful with onStartShould* callbacks. They only reflect updated
+     *  `gestureState` for start/end events that bubble/capture to the Node.
+     *  Once the node is the responder, you can rely on every start/end event
+     *  being processed by the gesture and `gestureState` being updated
+     *  accordingly. (numberActiveTouches) may not be totally accurate unless you
+     *  are the responder.
+     */
+    create(config: PanResponderCallbacks): PanResponderInstance;
 }
 
 export interface Rationale {
-  title: string
-  message: string
-  buttonPositive: string
-  buttonNegative?: string
-  buttonNeutral?: string
+    title: string;
+    message: string;
+    buttonPositive: string;
+    buttonNegative?: string;
+    buttonNeutral?: string;
 }
 
 export type Permission =
-  | 'android.permission.READ_CALENDAR'
-  | 'android.permission.WRITE_CALENDAR'
-  | 'android.permission.CAMERA'
-  | 'android.permission.READ_CONTACTS'
-  | 'android.permission.WRITE_CONTACTS'
-  | 'android.permission.GET_ACCOUNTS'
-  | 'android.permission.ACCESS_FINE_LOCATION'
-  | 'android.permission.ACCESS_COARSE_LOCATION'
-  | 'android.permission.RECORD_AUDIO'
-  | 'android.permission.READ_PHONE_STATE'
-  | 'android.permission.CALL_PHONE'
-  | 'android.permission.READ_CALL_LOG'
-  | 'android.permission.WRITE_CALL_LOG'
-  | 'com.android.voicemail.permission.ADD_VOICEMAIL'
-  | 'android.permission.USE_SIP'
-  | 'android.permission.PROCESS_OUTGOING_CALLS'
-  | 'android.permission.BODY_SENSORS'
-  | 'android.permission.SEND_SMS'
-  | 'android.permission.RECEIVE_SMS'
-  | 'android.permission.READ_SMS'
-  | 'android.permission.RECEIVE_WAP_PUSH'
-  | 'android.permission.RECEIVE_MMS'
-  | 'android.permission.READ_EXTERNAL_STORAGE'
-  | 'android.permission.WRITE_EXTERNAL_STORAGE'
-
-export type PermissionStatus = 'granted' | 'denied' | 'never_ask_again'
+    | "android.permission.READ_CALENDAR"
+    | "android.permission.WRITE_CALENDAR"
+    | "android.permission.CAMERA"
+    | "android.permission.READ_CONTACTS"
+    | "android.permission.WRITE_CONTACTS"
+    | "android.permission.GET_ACCOUNTS"
+    | "android.permission.ACCESS_FINE_LOCATION"
+    | "android.permission.ACCESS_COARSE_LOCATION"
+    | "android.permission.RECORD_AUDIO"
+    | "android.permission.READ_PHONE_STATE"
+    | "android.permission.CALL_PHONE"
+    | "android.permission.READ_CALL_LOG"
+    | "android.permission.WRITE_CALL_LOG"
+    | "com.android.voicemail.permission.ADD_VOICEMAIL"
+    | "android.permission.USE_SIP"
+    | "android.permission.PROCESS_OUTGOING_CALLS"
+    | "android.permission.BODY_SENSORS"
+    | "android.permission.SEND_SMS"
+    | "android.permission.RECEIVE_SMS"
+    | "android.permission.READ_SMS"
+    | "android.permission.RECEIVE_WAP_PUSH"
+    | "android.permission.RECEIVE_MMS"
+    | "android.permission.READ_EXTERNAL_STORAGE"
+    | "android.permission.WRITE_EXTERNAL_STORAGE";
+
+export type PermissionStatus = "granted" | "denied" | "never_ask_again";
 
 export interface PermissionsAndroidStatic {
-  /**
-   * A list of permission results that are returned
-   */
-  RESULTS: {[key: string]: PermissionStatus}
-  /**
-   * A list of specified "dangerous" permissions that require prompting the user
-   */
-  PERMISSIONS: {[key: string]: Permission}
-  new (): PermissionsAndroidStatic
-  /**
-   * Deprecated
-   */
-  checkPermission(permission: Permission): Promise<boolean>
-  /**
-   * Returns a promise resolving to a boolean value as to whether the specified
-   * permissions has been granted
-   */
-  check(permission: Permission): Promise<boolean>
-  /**
-   * Deprecated
-   */
-  requestPermission(permission: Permission, rationale?: Rationale): Promise<boolean>
-  /**
-   * Prompts the user to enable a permission and returns a promise resolving to a
-   * string value indicating whether the user allowed or denied the request
-   *
-   * If the optional rationale argument is included (which is an object with a
-   * title and message), this function checks with the OS whether it is necessary
-   * to show a dialog explaining why the permission is needed
-   * (https://developer.android.com/training/permissions/requesting.html#explain)
-   * and then shows the system permission dialog
-   */
-  request(permission: Permission, rationale?: Rationale): Promise<PermissionStatus>
-  /**
-   * Prompts the user to enable multiple permissions in the same dialog and
-   * returns an object with the permissions as keys and strings as values
-   * indicating whether the user allowed or denied the request
-   */
-  requestMultiple(permissions: Array<Permission>): Promise<{[key in Permission]: PermissionStatus}>
+    /**
+     * A list of permission results that are returned
+     */
+    RESULTS: { [key: string]: PermissionStatus };
+    /**
+     * A list of specified "dangerous" permissions that require prompting the user
+     */
+    PERMISSIONS: { [key: string]: Permission };
+    new (): PermissionsAndroidStatic;
+    /**
+     * Deprecated
+     */
+    checkPermission(permission: Permission): Promise<boolean>;
+    /**
+     * Returns a promise resolving to a boolean value as to whether the specified
+     * permissions has been granted
+     */
+    check(permission: Permission): Promise<boolean>;
+    /**
+     * Deprecated
+     */
+    requestPermission(permission: Permission, rationale?: Rationale): Promise<boolean>;
+    /**
+     * Prompts the user to enable a permission and returns a promise resolving to a
+     * string value indicating whether the user allowed or denied the request
+     *
+     * If the optional rationale argument is included (which is an object with a
+     * title and message), this function checks with the OS whether it is necessary
+     * to show a dialog explaining why the permission is needed
+     * (https://developer.android.com/training/permissions/requesting.html#explain)
+     * and then shows the system permission dialog
+     */
+    request(permission: Permission, rationale?: Rationale): Promise<PermissionStatus>;
+    /**
+     * Prompts the user to enable multiple permissions in the same dialog and
+     * returns an object with the permissions as keys and strings as values
+     * indicating whether the user allowed or denied the request
+     */
+    requestMultiple(permissions: Array<Permission>): Promise<{ [key in Permission]: PermissionStatus }>;
 }
 
 export interface PushNotificationPermissions {
-  alert?: boolean
-  badge?: boolean
-  sound?: boolean
+    alert?: boolean;
+    badge?: boolean;
+    sound?: boolean;
+}
+
+export interface PushNotification {
+    /**
+     * An alias for `getAlert` to get the notification's main message string
+     */
+    getMessage(): string | Object;
+
+    /**
+     * Gets the sound string from the `aps` object
+     */
+    getSound(): string;
+
+    /**
+     * Gets the category string from the `aps` object
+     */
+    getCategory(): string;
+
+    /**
+     * Gets the notification's main message from the `aps` object
+     */
+    getAlert(): string | Object;
+
+    /**
+     * Gets the content-available number from the `aps` object
+     */
+    getContentAvailable(): number;
+
+    /**
+     * Gets the badge count number from the `aps` object
+     */
+    getBadgeCount(): number;
+
+    /**
+     * Gets the data object on the notif
+     */
+    getData(): Object;
+
+    /**
+     * iOS Only
+     * Signifies remote notification handling is complete
+     */
+    finish(result: string): void;
 }
 
-export interface PushNotification {
-  /**
-   * An alias for `getAlert` to get the notification's main message string
-   */
-  getMessage(): string | Object
-
-  /**
-   * Gets the sound string from the `aps` object
-   */
-  getSound(): string
-
-  /**
-   * Gets the category string from the `aps` object
-   */
-  getCategory(): string
-
-  /**
-   * Gets the notification's main message from the `aps` object
-   */
-  getAlert(): string | Object
-
-  /**
-   * Gets the content-available number from the `aps` object
-   */
-  getContentAvailable(): number
-
-  /**
-   * Gets the badge count number from the `aps` object
-   */
-  getBadgeCount(): number
-
-  /**
-   * Gets the data object on the notif
-   */
-  getData(): Object
-
-  /**
-   * iOS Only
-   * Signifies remote notification handling is complete
-   */
-  finish(result: string): void
-}
+type PresentLocalNotificationDetails = {
+    alertBody: string;
+    alertAction: string;
+    soundName?: string;
+    category?: string;
+    userInfo?: Object;
+    applicationIconBadgeNumber?: number;
+};
+
+type ScheduleLocalNotificationDetails = {
+    alertAction?: string;
+    alertBody?: string;
+    alertTitle?: string
+    applicationIconBadgeNumber?: number;
+    category?: string;
+    fireDate?: number | string;
+    isSilent?: boolean;
+    repeatInterval?: 'year' | 'month' | 'week' | 'day' | 'hour' | 'minute';
+    soundName?: string;
+    userInfo?: Object;
+};
+
+export type PushNotificationEventName = "notification" | "localNotification" | "register" | "registrationError";
+
+type FetchResult = {
+    NewData: "UIBackgroundFetchResultNewData";
+    NoData: "UIBackgroundFetchResultNoData";
+    ResultFailed: "UIBackgroundFetchResultFailed";
+};
+
+/**
+ * Handle push notifications for your app, including permission handling and icon badge number.
+ * @see https://facebook.github.io/react-native/docs/pushnotificationios.html#content
+ *
+ * //FIXME: BGR: The documentation seems completely off compared to the actual js implementation. I could never get the example to run
+ */
+export interface PushNotificationIOSStatic {
+    /**
+     * Schedules the localNotification for immediate presentation.
+     * details is an object containing:
+     * alertBody : The message displayed in the notification alert.
+     * alertAction : The "action" displayed beneath an actionable notification. Defaults to "view";
+     * soundName : The sound played when the notification is fired (optional).
+     * category : The category of this notification, required for actionable notifications (optional).
+     * userInfo : An optional object containing additional notification data.
+     * applicationIconBadgeNumber (optional) : The number to display as the app's icon badge. The default value of this property is 0, which means that no badge is displayed.
+     */
+    presentLocalNotification(details: PresentLocalNotificationDetails): void;
+
+    /**
+     * Schedules the localNotification for future presentation.
+     * details is an object containing:
+     * fireDate : The date and time when the system should deliver the notification.
+     * alertBody : The message displayed in the notification alert.
+     * alertAction : The "action" displayed beneath an actionable notification. Defaults to "view";
+     * soundName : The sound played when the notification is fired (optional).
+     * category : The category of this notification, required for actionable notifications (optional).
+     * userInfo : An optional object containing additional notification data.
+     * applicationIconBadgeNumber (optional) : The number to display as the app's icon badge. Setting the number to 0 removes the icon badge.
+     */
+    scheduleLocalNotification(details: ScheduleLocalNotificationDetails): void;
+
+    /**
+     * Cancels all scheduled localNotifications
+     */
+    cancelAllLocalNotifications(): void;
+
+    /**
+     * Cancel local notifications.
+     * Optionally restricts the set of canceled notifications to those notifications whose userInfo fields match the corresponding fields in the userInfo argument.
+     */
+    cancelLocalNotifications(userInfo: Object): void;
+
+    /**
+     * Sets the badge number for the app icon on the home screen
+     */
+    setApplicationIconBadgeNumber(number: number): void;
+
+    /**
+     * Gets the current badge number for the app icon on the home screen
+     */
+    getApplicationIconBadgeNumber(callback: (badge: number) => void): void;
+
+    /**
+     * Gets the local notifications that are currently scheduled.
+     */
+    getScheduledLocalNotifications(callback: (notifications: ScheduleLocalNotificationDetails[]) => void): void;
+
+    /**
+     * Attaches a listener to remote notifications while the app is running in the
+     * foreground or the background.
+     *
+     * The handler will get be invoked with an instance of `PushNotificationIOS`
+     *
+     * The type MUST be 'notification'
+     */
+    addEventListener(
+        type: "notification" | "localNotification",
+        handler: (notification: PushNotification) => void
+    ): void;
+
+    /**
+     * Fired when the user registers for remote notifications.
+     *
+     * The handler will be invoked with a hex string representing the deviceToken.
+     *
+     * The type MUST be 'register'
+     */
+    addEventListener(type: "register", handler: (deviceToken: string) => void): void;
+
+    /**
+     * Fired when the user fails to register for remote notifications.
+     * Typically occurs when APNS is having issues, or the device is a simulator.
+     *
+     * The handler will be invoked with {message: string, code: number, details: any}.
+     *
+     * The type MUST be 'registrationError'
+     */
+    addEventListener(
+        type: "registrationError",
+        handler: (error: { message: string; code: number; details: any }) => void
+    ): void;
+
+    /**
+     * Removes the event listener. Do this in `componentWillUnmount` to prevent
+     * memory leaks
+     */
+    removeEventListener(
+        type: PushNotificationEventName,
+        handler:
+            | ((notification: PushNotification) => void)
+            | ((deviceToken: string) => void)
+            | ((error: { message: string; code: number; details: any }) => void)
+    ): void;
+
+    /**
+     * Requests all notification permissions from iOS, prompting the user's
+     * dialog box.
+     */
+    requestPermissions(permissions?: PushNotificationPermissions[]): void;
+
+    /**
+     * Requests all notification permissions from iOS, prompting the user's
+     * dialog box.
+     */
+    requestPermissions(permissions?: PushNotificationPermissions): Promise<PushNotificationPermissions>;
 
-type PresentLocalNotificationDetails = {
-  alertBody: string
-  alertAction: string
-  soundName?: string
-  category?: string
-  userInfo?: Object
-  applicationIconBadgeNumber?: number
-}
+    /**
+     * Unregister for all remote notifications received via Apple Push
+     * Notification service.
+     * You should call this method in rare circumstances only, such as when
+     * a new version of the app removes support for all types of remote
+     * notifications. Users can temporarily prevent apps from receiving
+     * remote notifications through the Notifications section of the
+     * Settings app. Apps unregistered through this method can always
+     * re-register.
+     */
+    abandonPermissions(): void;
 
-type ScheduleLocalNotificationDetails = {
-  alertAction?: string
-  alertBody?: string
-  alertTitle?: string
-  applicationIconBadgeNumber?: number
-  category?: string
-  fireDate?: number | string
-  isSilent?: boolean
-  repeatInterval?: 'year' | 'month' | 'week' | 'day' | 'hour' | 'minute'
-  soundName?: string
-  userInfo?: Object
-}
-
-export type PushNotificationEventName =
-  | 'notification'
-  | 'localNotification'
-  | 'register'
-  | 'registrationError'
+    /**
+     * See what push permissions are currently enabled. `callback` will be
+     * invoked with a `permissions` object:
+     *
+     *  - `alert` :boolean
+     *  - `badge` :boolean
+     *  - `sound` :boolean
+     */
+    checkPermissions(callback: (permissions: PushNotificationPermissions) => void): void;
 
-type FetchResult = {
-  NewData: 'UIBackgroundFetchResultNewData'
-  NoData: 'UIBackgroundFetchResultNoData'
-  ResultFailed: 'UIBackgroundFetchResultFailed'
-}
+    /**
+     * This method returns a promise that resolves to either the notification
+     * object if the app was launched by a push notification, or `null` otherwise.
+     */
+    getInitialNotification(): Promise<PushNotification | null>;
 
-/**
- * Handle push notifications for your app, including permission handling and icon badge number.
- * @see https://facebook.github.io/react-native/docs/pushnotificationios.html#content
- *
- * //FIXME: BGR: The documentation seems completely off compared to the actual js implementation. I could never get the example to run
- */
-export interface PushNotificationIOSStatic {
-  /**
-   * Schedules the localNotification for immediate presentation.
-   * details is an object containing:
-   * alertBody : The message displayed in the notification alert.
-   * alertAction : The "action" displayed beneath an actionable notification. Defaults to "view";
-   * soundName : The sound played when the notification is fired (optional).
-   * category : The category of this notification, required for actionable notifications (optional).
-   * userInfo : An optional object containing additional notification data.
-   * applicationIconBadgeNumber (optional) : The number to display as the app's icon badge. The default value of this property is 0, which means that no badge is displayed.
-   */
-  presentLocalNotification(details: PresentLocalNotificationDetails): void
-
-  /**
-   * Schedules the localNotification for future presentation.
-   * details is an object containing:
-   * fireDate : The date and time when the system should deliver the notification.
-   * alertBody : The message displayed in the notification alert.
-   * alertAction : The "action" displayed beneath an actionable notification. Defaults to "view";
-   * soundName : The sound played when the notification is fired (optional).
-   * category : The category of this notification, required for actionable notifications (optional).
-   * userInfo : An optional object containing additional notification data.
-   * applicationIconBadgeNumber (optional) : The number to display as the app's icon badge. Setting the number to 0 removes the icon badge.
-   */
-  scheduleLocalNotification(details: ScheduleLocalNotificationDetails): void
-
-  /**
-   * Cancels all scheduled localNotifications
-   */
-  cancelAllLocalNotifications(): void
-
-  /**
-   * Cancel local notifications.
-   * Optionally restricts the set of canceled notifications to those notifications whose userInfo fields match the corresponding fields in the userInfo argument.
-   */
-  cancelLocalNotifications(userInfo: Object): void
-
-  /**
-   * Sets the badge number for the app icon on the home screen
-   */
-  setApplicationIconBadgeNumber(number: number): void
-
-  /**
-   * Gets the current badge number for the app icon on the home screen
-   */
-  getApplicationIconBadgeNumber(callback: (badge: number) => void): void
-
-  /**
-   * Gets the local notifications that are currently scheduled.
-   */
-  getScheduledLocalNotifications(callback: (notifications: ScheduleLocalNotificationDetails[]) => void): void
-
-  /**
-   * Attaches a listener to remote notifications while the app is running in the
-   * foreground or the background.
-   *
-   * The handler will get be invoked with an instance of `PushNotificationIOS`
-   *
-   * The type MUST be 'notification'
-   */
-  addEventListener(
-    type: 'notification' | 'localNotification',
-    handler: (notification: PushNotification) => void
-  ): void
-
-  /**
-   * Fired when the user registers for remote notifications.
-   *
-   * The handler will be invoked with a hex string representing the deviceToken.
-   *
-   * The type MUST be 'register'
-   */
-  addEventListener(type: 'register', handler: (deviceToken: string) => void): void
-
-  /**
-   * Fired when the user fails to register for remote notifications.
-   * Typically occurs when APNS is having issues, or the device is a simulator.
-   *
-   * The handler will be invoked with {message: string, code: number, details: any}.
-   *
-   * The type MUST be 'registrationError'
-   */
-  addEventListener(
-    type: 'registrationError',
-    handler: (error: {message: string; code: number; details: any}) => void
-  ): void
-
-  /**
-   * Removes the event listener. Do this in `componentWillUnmount` to prevent
-   * memory leaks
-   */
-  removeEventListener(
-    type: PushNotificationEventName,
-    handler:
-      | ((notification: PushNotification) => void)
-      | ((deviceToken: string) => void)
-      | ((error: {message: string; code: number; details: any}) => void)
-  ): void
-
-  /**
-   * Requests all notification permissions from iOS, prompting the user's
-   * dialog box.
-   */
-  requestPermissions(permissions?: PushNotificationPermissions[]): void
-
-  /**
-   * Requests all notification permissions from iOS, prompting the user's
-   * dialog box.
-   */
-  requestPermissions(permissions?: PushNotificationPermissions): Promise<PushNotificationPermissions>
-
-  /**
-   * Unregister for all remote notifications received via Apple Push
-   * Notification service.
-   * You should call this method in rare circumstances only, such as when
-   * a new version of the app removes support for all types of remote
-   * notifications. Users can temporarily prevent apps from receiving
-   * remote notifications through the Notifications section of the
-   * Settings app. Apps unregistered through this method can always
-   * re-register.
-   */
-  abandonPermissions(): void
-
-  /**
-   * See what push permissions are currently enabled. `callback` will be
-   * invoked with a `permissions` object:
-   *
-   *  - `alert` :boolean
-   *  - `badge` :boolean
-   *  - `sound` :boolean
-   */
-  checkPermissions(callback: (permissions: PushNotificationPermissions) => void): void
-
-  /**
-   * This method returns a promise that resolves to either the notification
-   * object if the app was launched by a push notification, or `null` otherwise.
-   */
-  getInitialNotification(): Promise<PushNotification | null>
-
-  /**
-   * iOS fetch results that best describe the result of a finished remote notification handler.
-   * For a list of possible values, see `PushNotificationIOS.FetchResult`.
-   */
-  FetchResult: FetchResult
+    /**
+     * iOS fetch results that best describe the result of a finished remote notification handler.
+     * For a list of possible values, see `PushNotificationIOS.FetchResult`.
+     */
+    FetchResult: FetchResult;
 }
 
 export interface SettingsStatic {
-  get(key: string): any
-  set(settings: Object): void
-  watchKeys(keys: string | Array<string>, callback: () => void): number
-  clearWatch(watchId: number): void
+    get(key: string): any;
+    set(settings: Object): void;
+    watchKeys(keys: string | Array<string>, callback: (() => void)): number;
+    clearWatch(watchId: number): void;
 }
 
-export type StatusBarStyle = 'default' | 'light-content' | 'dark-content'
+export type StatusBarStyle = "default" | "light-content" | "dark-content";
 
-export type StatusBarAnimation = 'none' | 'fade' | 'slide'
+export type StatusBarAnimation = "none" | "fade" | "slide";
 
 export interface StatusBarPropsIOS {
-  /**
-   * Sets the color of the status bar text.
-   */
-  barStyle?: StatusBarStyle
+    /**
+     * Sets the color of the status bar text.
+     */
+    barStyle?: StatusBarStyle;
 
-  /**
-   * If the network activity indicator should be visible.
-   */
-  networkActivityIndicatorVisible?: boolean
+    /**
+     * If the network activity indicator should be visible.
+     */
+    networkActivityIndicatorVisible?: boolean;
 
-  /**
-   * The transition effect when showing and hiding the status bar using
-   * the hidden prop. Defaults to 'fade'.
-   */
-  showHideTransition?: 'fade' | 'slide'
+    /**
+     * The transition effect when showing and hiding the status bar using
+     * the hidden prop. Defaults to 'fade'.
+     */
+    showHideTransition?: "fade" | "slide";
 }
 
 export interface StatusBarPropsAndroid {
-  /**
-   * The background color of the status bar.
-   */
-  backgroundColor?: string
+    /**
+     * The background color of the status bar.
+     */
+    backgroundColor?: string;
 
-  /**
-   * If the status bar is translucent. When translucent is set to true,
-   * the app will draw under the status bar. This is useful when using a
-   * semi transparent status bar color.
-   */
-  translucent?: boolean
+    /**
+     * If the status bar is translucent. When translucent is set to true,
+     * the app will draw under the status bar. This is useful when using a
+     * semi transparent status bar color.
+     */
+    translucent?: boolean;
 }
 
 export interface StatusBarProps extends StatusBarPropsIOS, StatusBarPropsAndroid {
-  /**
-   * If the transition between status bar property changes should be
-   * animated. Supported for backgroundColor, barStyle and hidden.
-   */
-  animated?: boolean
+    /**
+     * If the transition between status bar property changes should be
+     * animated. Supported for backgroundColor, barStyle and hidden.
+     */
+    animated?: boolean;
 
-  /**
-   * If the status bar is hidden.
-   */
-  hidden?: boolean
+    /**
+     * If the status bar is hidden.
+     */
+    hidden?: boolean;
 }
 
 export class StatusBar extends React.Component<StatusBarProps> {
-  /**
-   * The current height of the status bar on the device.
-   * @platform android
-   */
-  static currentHeight?: number
-
-  /**
-   * Show or hide the status bar
-   * @param hidden The dialog's title.
-   * @param animation Optional animation when
-   *    changing the status bar hidden property.
-   */
-  static setHidden: (hidden: boolean, animation?: StatusBarAnimation) => void
-
-  /**
-   * Set the status bar style
-   * @param style Status bar style to set
-   * @param animated Animate the style change.
-   */
-  static setBarStyle: (style: StatusBarStyle, animated?: boolean) => void
-
-  /**
-   * Control the visibility of the network activity indicator
-   * @param visible Show the indicator.
-   */
-  static setNetworkActivityIndicatorVisible: (visible: boolean) => void
-
-  /**
-   * Set the background color for the status bar
-   * @param color Background color.
-   * @param animated Animate the style change.
-   */
-  static setBackgroundColor: (color: string, animated?: boolean) => void
-
-  /**
-   * Control the translucency of the status bar
-   * @param translucent Set as translucent.
-   */
-  static setTranslucent: (translucent: boolean) => void
+    /**
+     * The current height of the status bar on the device.
+     * @platform android
+     */
+    static currentHeight?: number;
+
+    /**
+     * Show or hide the status bar
+     * @param hidden The dialog's title.
+     * @param animation Optional animation when
+     *    changing the status bar hidden property.
+     */
+    static setHidden: (hidden: boolean, animation?: StatusBarAnimation) => void;
+
+    /**
+     * Set the status bar style
+     * @param style Status bar style to set
+     * @param animated Animate the style change.
+     */
+    static setBarStyle: (style: StatusBarStyle, animated?: boolean) => void;
+
+    /**
+     * Control the visibility of the network activity indicator
+     * @param visible Show the indicator.
+     */
+    static setNetworkActivityIndicatorVisible: (visible: boolean) => void;
+
+    /**
+     * Set the background color for the status bar
+     * @param color Background color.
+     * @param animated Animate the style change.
+     */
+    static setBackgroundColor: (color: string, animated?: boolean) => void;
+
+    /**
+     * Control the translucency of the status bar
+     * @param translucent Set as translucent.
+     */
+    static setTranslucent: (translucent: boolean) => void;
 }
 
 /**
@@ -8302,23 +8294,23 @@ export class StatusBar extends React.Component<StatusBarProps> {
 export interface StatusBarIOSStatic extends NativeEventEmitter {}
 
 export interface TimePickerAndroidOpenOptions {
-  hour?: number
-  minute?: number
-  is24Hour?: boolean
-  mode?: 'clock' | 'spinner' | 'default'
+    hour?: number;
+    minute?: number;
+    is24Hour?: boolean;
+    mode?: "clock" | "spinner" | "default";
 }
 
 export interface TimePickerAndroidTimeSetAction {
-  action: 'timeSetAction'
-  hour: number
-  minute: number
+    action: 'timeSetAction';
+    hour: number;
+    minute: number;
 }
 
 export interface TimePickerAndroidDismissedAction {
-  action: 'dismissedAction'
+    action: 'dismissedAction';
 }
 
-export type TimePickerAndroidOpenReturn = TimePickerAndroidTimeSetAction | TimePickerAndroidDismissedAction
+export type TimePickerAndroidOpenReturn = TimePickerAndroidTimeSetAction | TimePickerAndroidDismissedAction;
 
 /**
  * Opens the standard Android time picker dialog.
@@ -8341,36 +8333,36 @@ export type TimePickerAndroidOpenReturn = TimePickerAndroidTimeSetAction | TimeP
  * ```
  */
 export interface TimePickerAndroidStatic {
-  /**
-   * Opens the standard Android time picker dialog.
-   *
-   * The available keys for the `options` object are:
-   *   * `hour` (0-23) - the hour to show, defaults to the current time
-   *   * `minute` (0-59) - the minute to show, defaults to the current time
-   *   * `is24Hour` (boolean) - If `true`, the picker uses the 24-hour format. If `false`,
-   *     the picker shows an AM/PM chooser. If undefined, the default for the current locale
-   *     is used.
-   *   * `mode` (enum('clock', 'spinner', 'default')) - set the time picker mode
-   *     * 'clock': Show a time picker in clock mode.
-   *     * 'spinner': Show a time picker in spinner mode.
-   *     * 'default': Show a default time picker based on Android versions.
-   *
-   * Returns a Promise which will be invoked an object containing `action`, `hour` (0-23),
-   * `minute` (0-59) if the user picked a time. If the user dismissed the dialog, the Promise will
-   * still be resolved with action being `TimePickerAndroid.dismissedAction` and all the other keys
-   * being undefined. **Always** check whether the `action` before reading the values.
-   */
-  open(options: TimePickerAndroidOpenOptions): Promise<TimePickerAndroidOpenReturn>
-
-  /**
-   * A time has been selected.
-   */
-  timeSetAction: 'timeSetAction'
-
-  /**
-   * The dialog has been dismissed.
-   */
-  dismissedAction: 'dismissedAction'
+    /**
+     * Opens the standard Android time picker dialog.
+     *
+     * The available keys for the `options` object are:
+     *   * `hour` (0-23) - the hour to show, defaults to the current time
+     *   * `minute` (0-59) - the minute to show, defaults to the current time
+     *   * `is24Hour` (boolean) - If `true`, the picker uses the 24-hour format. If `false`,
+     *     the picker shows an AM/PM chooser. If undefined, the default for the current locale
+     *     is used.
+     *   * `mode` (enum('clock', 'spinner', 'default')) - set the time picker mode
+     *     * 'clock': Show a time picker in clock mode.
+     *     * 'spinner': Show a time picker in spinner mode.
+     *     * 'default': Show a default time picker based on Android versions.
+     *
+     * Returns a Promise which will be invoked an object containing `action`, `hour` (0-23),
+     * `minute` (0-59) if the user picked a time. If the user dismissed the dialog, the Promise will
+     * still be resolved with action being `TimePickerAndroid.dismissedAction` and all the other keys
+     * being undefined. **Always** check whether the `action` before reading the values.
+     */
+    open(options: TimePickerAndroidOpenOptions): Promise<TimePickerAndroidOpenReturn>;
+
+    /**
+     * A time has been selected.
+     */
+    timeSetAction: 'timeSetAction';
+
+    /**
+     * The dialog has been dismissed.
+     */
+    dismissedAction: 'dismissedAction';
 }
 
 /**
@@ -8384,199 +8376,199 @@ export interface TimePickerAndroidStatic {
  * ToastAndroid.TOP, ToastAndroid.BOTTOM, ToastAndroid.CENTER
  */
 export interface ToastAndroidStatic {
-  /**
-   * String message: A string with the text to toast
-   * int duration: The duration of the toast.
-   * May be ToastAndroid.SHORT or ToastAndroid.LONG
-   */
-  show(message: string, duration: number): void
-  /** `gravity` may be ToastAndroid.TOP, ToastAndroid.BOTTOM, ToastAndroid.CENTER */
-  showWithGravity(message: string, duration: number, gravity: number): void
-  // Toast duration constants
-  SHORT: number
-  LONG: number
-  // Toast gravity constants
-  TOP: number
-  BOTTOM: number
-  CENTER: number
+    /**
+     * String message: A string with the text to toast
+     * int duration: The duration of the toast.
+     * May be ToastAndroid.SHORT or ToastAndroid.LONG
+     */
+    show(message: string, duration: number): void;
+    /** `gravity` may be ToastAndroid.TOP, ToastAndroid.BOTTOM, ToastAndroid.CENTER */
+    showWithGravity(message: string, duration: number, gravity: number): void;
+    // Toast duration constants
+    SHORT: number;
+    LONG: number;
+    // Toast gravity constants
+    TOP: number;
+    BOTTOM: number;
+    CENTER: number;
 }
 
 export interface UIManagerStatic {
-  /**
-   * Capture an image of the screen, window or an individual view. The image
-   * will be stored in a temporary file that will only exist for as long as the
-   * app is running.
-   *
-   * The `view` argument can be the literal string `window` if you want to
-   * capture the entire window, or it can be a reference to a specific
-   * React Native component.
-   *
-   * The `options` argument may include:
-   * - width/height (number) - the width and height of the image to capture.
-   * - format (string) - either 'png' or 'jpeg'. Defaults to 'png'.
-   * - quality (number) - the quality when using jpeg. 0.0 - 1.0 (default).
-   *
-   * Returns a Promise<string> (tempFilePath)
-   * @platform ios
-   */
-  takeSnapshot: (
-    view?: 'window' | React.ReactElement | number,
-    options?: {
-      width?: number
-      height?: number
-      format?: 'png' | 'jpeg'
-      quality?: number
-    }
-  ) => Promise<string>
-
-  /**
-   * Determines the location on screen, width, and height of the given view and
-   * returns the values via an async callback. If successful, the callback will
-   * be called with the following arguments:
-   *
-   *  - x
-   *  - y
-   *  - width
-   *  - height
-   *  - pageX
-   *  - pageY
-   *
-   * Note that these measurements are not available until after the rendering
-   * has been completed in native. If you need the measurements as soon as
-   * possible, consider using the [`onLayout`
-   * prop](docs/view.html#onlayout) instead.
-   */
-  measure(node: number, callback: MeasureOnSuccessCallback): void
-
-  /**
-   * Determines the location of the given view in the window and returns the
-   * values via an async callback. If the React root view is embedded in
-   * another native view, this will give you the absolute coordinates. If
-   * successful, the callback will be called with the following
-   * arguments:
-   *
-   *  - x
-   *  - y
-   *  - width
-   *  - height
-   *
-   * Note that these measurements are not available until after the rendering
-   * has been completed in native.
-   */
-  measureInWindow(node: number, callback: MeasureInWindowOnSuccessCallback): void
-
-  /**
-   * Like [`measure()`](#measure), but measures the view relative an ancestor,
-   * specified as `relativeToNativeNode`. This means that the returned x, y
-   * are relative to the origin x, y of the ancestor view.
-   *
-   * As always, to obtain a native node handle for a component, you can use
-   * `React.findNodeHandle(component)`.
-   */
-  measureLayout(
-    node: number,
-    relativeToNativeNode: number,
-    onFail: () => void /* currently unused */,
-    onSuccess: MeasureLayoutOnSuccessCallback
-  ): void
-
-  /**
-   * Automatically animates views to their new positions when the
-   * next layout happens.
-   *
-   * A common way to use this API is to call it before calling `setState`.
-   *
-   * Note that in order to get this to work on **Android** you need to set the following flags via `UIManager`:
-   *
-   *     UIManager.setLayoutAnimationEnabledExperimental && UIManager.setLayoutAnimationEnabledExperimental(true);
-   */
-  setLayoutAnimationEnabledExperimental(value: boolean): void
-
-  /**
-   * Used to display an Android PopupMenu. If a menu item is pressed, the success callback will
-   * be called with the following arguments:
-   *
-   *  - item - the menu item.
-   *  - index - index of the pressed item in array. Returns `undefined` if cancelled.
-   *
-   * To obtain a native node handle for a component, you can use
-   * `React.findNodeHandle(component)`.
-   *
-   * Note that this works only on Android
-   */
-  showPopupMenu(
-    node: number,
-    items: string[],
-    error: () => void /* currently unused */,
-    success: (item: string, index: number | undefined) => void
-  ): void
+    /**
+     * Capture an image of the screen, window or an individual view. The image
+     * will be stored in a temporary file that will only exist for as long as the
+     * app is running.
+     *
+     * The `view` argument can be the literal string `window` if you want to
+     * capture the entire window, or it can be a reference to a specific
+     * React Native component.
+     *
+     * The `options` argument may include:
+     * - width/height (number) - the width and height of the image to capture.
+     * - format (string) - either 'png' or 'jpeg'. Defaults to 'png'.
+     * - quality (number) - the quality when using jpeg. 0.0 - 1.0 (default).
+     *
+     * Returns a Promise<string> (tempFilePath)
+     * @platform ios
+     */
+    takeSnapshot: (
+        view?: "window" | React.ReactElement | number,
+        options?: {
+            width?: number;
+            height?: number;
+            format?: "png" | "jpeg";
+            quality?: number;
+        }
+    ) => Promise<string>;
+
+    /**
+     * Determines the location on screen, width, and height of the given view and
+     * returns the values via an async callback. If successful, the callback will
+     * be called with the following arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *  - pageX
+     *  - pageY
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native. If you need the measurements as soon as
+     * possible, consider using the [`onLayout`
+     * prop](docs/view.html#onlayout) instead.
+     */
+    measure(node: number, callback: MeasureOnSuccessCallback): void;
+
+    /**
+     * Determines the location of the given view in the window and returns the
+     * values via an async callback. If the React root view is embedded in
+     * another native view, this will give you the absolute coordinates. If
+     * successful, the callback will be called with the following
+     * arguments:
+     *
+     *  - x
+     *  - y
+     *  - width
+     *  - height
+     *
+     * Note that these measurements are not available until after the rendering
+     * has been completed in native.
+     */
+    measureInWindow(node: number, callback: MeasureInWindowOnSuccessCallback): void;
+
+    /**
+     * Like [`measure()`](#measure), but measures the view relative an ancestor,
+     * specified as `relativeToNativeNode`. This means that the returned x, y
+     * are relative to the origin x, y of the ancestor view.
+     *
+     * As always, to obtain a native node handle for a component, you can use
+     * `React.findNodeHandle(component)`.
+     */
+    measureLayout(
+        node: number,
+        relativeToNativeNode: number,
+        onFail: () => void /* currently unused */,
+        onSuccess: MeasureLayoutOnSuccessCallback
+    ): void;
+
+    /**
+     * Automatically animates views to their new positions when the
+     * next layout happens.
+     *
+     * A common way to use this API is to call it before calling `setState`.
+     *
+     * Note that in order to get this to work on **Android** you need to set the following flags via `UIManager`:
+     *
+     *     UIManager.setLayoutAnimationEnabledExperimental && UIManager.setLayoutAnimationEnabledExperimental(true);
+     */
+    setLayoutAnimationEnabledExperimental(value: boolean): void;
+
+    /**
+     * Used to display an Android PopupMenu. If a menu item is pressed, the success callback will
+     * be called with the following arguments:
+     *
+     *  - item - the menu item.
+     *  - index - index of the pressed item in array. Returns `undefined` if cancelled.
+     *
+     * To obtain a native node handle for a component, you can use
+     * `React.findNodeHandle(component)`.
+     *
+     * Note that this works only on Android
+     */
+    showPopupMenu(
+        node: number,
+        items: string[],
+        error: () => void, /* currently unused */
+        success: (item: string, index: number | undefined) => void
+    ): void;
 }
 
 export interface SwitchPropsIOS extends ViewProps {
-  /**
-   * Background color when the switch is turned on.
-   *
-   * @deprecated
-   */
-  onTintColor?: string
-
-  /**
-   * Color of the foreground switch grip.
-   *
-   * @deprecated
-   */
-  thumbTintColor?: string
-
-  /**
-   * Background color when the switch is turned off.
-   *
-   * @deprecated
-   */
-  tintColor?: string
+    /**
+     * Background color when the switch is turned on.
+     *
+     * @deprecated
+     */
+    onTintColor?: string;
+
+    /**
+     * Color of the foreground switch grip.
+     *
+     * @deprecated
+     */
+    thumbTintColor?: string;
+
+    /**
+     * Background color when the switch is turned off.
+     *
+     * @deprecated
+     */
+    tintColor?: string;
 }
 
 export interface SwitchProps extends SwitchPropsIOS {
-  /**
-   * Color of the foreground switch grip.
-   */
-  thumbColor?: string
-
-  /**
-   * Custom colors for the switch track
-   *
-   * Color when false and color when true
-   */
-  trackColor?: {false: string; true: string}
-
-  /**
-   * If true the user won't be able to toggle the switch.
-   * Default value is false.
-   */
-  disabled?: boolean
-
-  /**
-   * Invoked with the new value when the value changes.
-   */
-  onValueChange?: (value: boolean) => void
-
-  /**
-   * Used to locate this view in end-to-end tests.
-   */
-  testID?: string
-
-  /**
-   * The value of the switch. If true the switch will be turned on.
-   * Default value is false.
-   */
-  value?: boolean
-
-  /**
-   * On iOS, custom color for the background.
-   * Can be seen when the switch value is false or when the switch is disabled.
-   */
-  ios_backgroundColor?: string
-
-  style?: StyleProp<ViewStyle>
+    /**
+     * Color of the foreground switch grip.
+     */
+    thumbColor?: string;
+
+    /**
+     * Custom colors for the switch track
+     *
+     * Color when false and color when true
+     */
+    trackColor?: { false: string; true: string };
+
+    /**
+     * If true the user won't be able to toggle the switch.
+     * Default value is false.
+     */
+    disabled?: boolean;
+
+    /**
+     * Invoked with the new value when the value changes.
+     */
+    onValueChange?: (value: boolean) => void;
+
+    /**
+     * Used to locate this view in end-to-end tests.
+     */
+    testID?: string;
+
+    /**
+     * The value of the switch. If true the switch will be turned on.
+     * Default value is false.
+     */
+    value?: boolean;
+
+    /**
+     * On iOS, custom color for the background.
+     * Can be seen when the switch value is false or when the switch is disabled.
+     */
+    ios_backgroundColor?: string;
+
+    style?: StyleProp<ViewStyle>;
 }
 
 /**
@@ -8588,7 +8580,7 @@ export interface SwitchProps extends SwitchPropsIOS {
  * the supplied `value` prop instead of the expected result of any user actions.
  */
 declare class SwitchComponent extends React.Component<SwitchProps> {}
-declare const SwitchBase: Constructor<NativeMethodsMixin> & typeof SwitchComponent
+declare const SwitchBase: Constructor<NativeMethodsMixin> & typeof SwitchComponent;
 export class Switch extends SwitchBase {}
 
 /**
@@ -8605,10 +8597,10 @@ export class Switch extends SwitchBase {}
  * @see https://facebook.github.io/react-native/docs/vibrationios.html#content
  */
 export interface VibrationIOSStatic {
-  /**
-   * @deprecated
-   */
-  vibrate(): void
+    /**
+     * @deprecated
+     */
+    vibrate(): void;
 }
 
 /**
@@ -8635,12 +8627,12 @@ export interface VibrationIOSStatic {
  * V(fixed) --wait(1s)--> V(fixed) --wait(2s)--> V(fixed) --wait(3s)--> V(fixed)
  */
 export interface VibrationStatic {
-  vibrate(pattern: number | number[], repeat?: boolean): void
+    vibrate(pattern: number | number[], repeat?: boolean): void;
 
-  /**
-   * Stop vibration
-   */
-  cancel(): void
+    /**
+     * Stop vibration
+     */
+    cancel(): void;
 }
 
 /**
@@ -8648,492 +8640,472 @@ export interface VibrationStatic {
  * but this cool website has nice visual illustrations of what they represent:
  * http://xaedes.de/dev/transitions/
  */
-export type EasingFunction = (value: number) => number
+export type EasingFunction = (value: number) => number;
 export interface EasingStatic {
-  step0: EasingFunction
-  step1: EasingFunction
-  linear: EasingFunction
-  ease: EasingFunction
-  quad: EasingFunction
-  cubic: EasingFunction
-  poly(n: number): EasingFunction
-  sin: EasingFunction
-  circle: EasingFunction
-  exp: EasingFunction
-  elastic(bounciness: number): EasingFunction
-  back(s: number): EasingFunction
-  bounce: EasingFunction
-  bezier(x1: number, y1: number, x2: number, y2: number): EasingFunction
-  in(easing: EasingFunction): EasingFunction
-  out(easing: EasingFunction): EasingFunction
-  inOut(easing: EasingFunction): EasingFunction
+    step0: EasingFunction;
+    step1: EasingFunction;
+    linear: EasingFunction;
+    ease: EasingFunction;
+    quad: EasingFunction;
+    cubic: EasingFunction;
+    poly(n: number): EasingFunction;
+    sin: EasingFunction;
+    circle: EasingFunction;
+    exp: EasingFunction;
+    elastic(bounciness: number): EasingFunction;
+    back(s: number): EasingFunction;
+    bounce: EasingFunction;
+    bezier(x1: number, y1: number, x2: number, y2: number): EasingFunction;
+    in(easing: EasingFunction): EasingFunction;
+    out(easing: EasingFunction): EasingFunction;
+    inOut(easing: EasingFunction): EasingFunction;
 }
 
 export namespace Animated {
-  type AnimatedValue = Value
-  type AnimatedValueXY = ValueXY
+    type AnimatedValue = Value;
+    type AnimatedValueXY = ValueXY;
+
+    type Base = Animated;
 
-  type Base = Animated
+    class Animated {
+        // Internal class, no public API.
+    }
 
-  class Animated {
-    // Internal class, no public API.
-  }
+    class AnimatedWithChildren extends Animated {
+        // Internal class, no public API.
+    }
 
-  class AnimatedWithChildren extends Animated {
-    // Internal class, no public API.
-  }
+    class AnimatedInterpolation extends AnimatedWithChildren {
+        interpolate(config: InterpolationConfigType): AnimatedInterpolation;
+    }
 
-  class AnimatedInterpolation extends AnimatedWithChildren {
-    interpolate(config: InterpolationConfigType): AnimatedInterpolation
-  }
+    type ExtrapolateType = "extend" | "identity" | "clamp";
 
-  type ExtrapolateType = 'extend' | 'identity' | 'clamp'
+    type InterpolationConfigType = {
+        inputRange: number[];
+        outputRange: number[] | string[];
+        easing?: ((input: number) => number);
+        extrapolate?: ExtrapolateType;
+        extrapolateLeft?: ExtrapolateType;
+        extrapolateRight?: ExtrapolateType;
+    };
 
-  type InterpolationConfigType = {
-    inputRange: number[]
-    outputRange: number[] | string[]
-    easing?: (input: number) => number
-    extrapolate?: ExtrapolateType
-    extrapolateLeft?: ExtrapolateType
-    extrapolateRight?: ExtrapolateType
-  }
+    type ValueListenerCallback = (state: { value: number }) => void;
 
-  type ValueListenerCallback = (state: {value: number}) => void
+    /**
+     * Standard value for driving animations.  One `Animated.Value` can drive
+     * multiple properties in a synchronized fashion, but can only be driven by one
+     * mechanism at a time.  Using a new mechanism (e.g. starting a new animation,
+     * or calling `setValue`) will stop any previous ones.
+     */
+    export class Value extends AnimatedWithChildren {
+        constructor(value: number);
+
+        /**
+         * Directly set the value.  This will stop any animations running on the value
+         * and update all the bound properties.
+         */
+        setValue(value: number): void;
+
+        /**
+         * Sets an offset that is applied on top of whatever value is set, whether via
+         * `setValue`, an animation, or `Animated.event`.  Useful for compensating
+         * things like the start of a pan gesture.
+         */
+        setOffset(offset: number): void;
+
+        /**
+         * Merges the offset value into the base value and resets the offset to zero.
+         * The final output of the value is unchanged.
+         */
+        flattenOffset(): void;
+
+        /**
+         * Sets the offset value to the base value, and resets the base value to zero.
+         * The final output of the value is unchanged.
+         */
+        extractOffset(): void;
+
+        /**
+         * Adds an asynchronous listener to the value so you can observe updates from
+         * animations.  This is useful because there is no way to
+         * synchronously read the value because it might be driven natively.
+         */
+        addListener(callback: ValueListenerCallback): string;
+
+        removeListener(id: string): void;
+
+        removeAllListeners(): void;
+
+        /**
+         * Stops any running animation or tracking.  `callback` is invoked with the
+         * final value after stopping the animation, which is useful for updating
+         * state to match the animation position with layout.
+         */
+        stopAnimation(callback?: (value: number) => void): void;
+
+        /**
+         * Interpolates the value before updating the property, e.g. mapping 0-1 to
+         * 0-10.
+         */
+        interpolate(config: InterpolationConfigType): AnimatedInterpolation;
+    }
 
-  /**
-   * Standard value for driving animations.  One `Animated.Value` can drive
-   * multiple properties in a synchronized fashion, but can only be driven by one
-   * mechanism at a time.  Using a new mechanism (e.g. starting a new animation,
-   * or calling `setValue`) will stop any previous ones.
-   */
-  export class Value extends AnimatedWithChildren {
-    constructor(value: number)
+    type ValueXYListenerCallback = (value: { x: number; y: number }) => void;
 
     /**
-     * Directly set the value.  This will stop any animations running on the value
-     * and update all the bound properties.
+     * 2D Value for driving 2D animations, such as pan gestures.  Almost identical
+     * API to normal `Animated.Value`, but multiplexed.  Contains two regular
+     * `Animated.Value`s under the hood.
      */
-    setValue(value: number): void
+    export class ValueXY extends AnimatedWithChildren {
+        x: AnimatedValue;
+        y: AnimatedValue;
+
+        constructor(valueIn?: { x: number | AnimatedValue; y: number | AnimatedValue });
+
+        setValue(value: { x: number; y: number }): void;
+
+        setOffset(offset: { x: number; y: number }): void;
+
+        flattenOffset(): void;
+
+        extractOffset(): void;
+
+        stopAnimation(callback?: (value: { x: number; y: number }) => void): void;
+
+        addListener(callback: ValueXYListenerCallback): string;
+
+        removeListener(id: string): void;
+
+        /**
+         * Converts `{x, y}` into `{left, top}` for use in style, e.g.
+         *
+         *```javascript
+         *  style={this.state.anim.getLayout()}
+         *```
+         */
+        getLayout(): { [key: string]: AnimatedValue };
+
+        /**
+         * Converts `{x, y}` into a useable translation transform, e.g.
+         *
+         *```javascript
+         *  style={{
+         *    transform: this.state.anim.getTranslateTransform()
+         *  }}
+         *```
+         */
+        getTranslateTransform(): { [key: string]: AnimatedValue }[];
+    }
+
+    type EndResult = { finished: boolean };
+    type EndCallback = (result: EndResult) => void;
+
+    export interface CompositeAnimation {
+        start: (callback?: EndCallback) => void;
+        stop: () => void;
+    }
+
+    interface AnimationConfig {
+        isInteraction?: boolean;
+        useNativeDriver?: boolean;
+    }
 
     /**
-     * Sets an offset that is applied on top of whatever value is set, whether via
-     * `setValue`, an animation, or `Animated.event`.  Useful for compensating
-     * things like the start of a pan gesture.
+     * Animates a value from an initial velocity to zero based on a decay
+     * coefficient.
      */
-    setOffset(offset: number): void
+    export function decay(value: AnimatedValue | AnimatedValueXY, config: DecayAnimationConfig): CompositeAnimation;
+
+    interface DecayAnimationConfig extends AnimationConfig {
+        velocity: number | { x: number; y: number };
+        deceleration?: number;
+    }
 
     /**
-     * Merges the offset value into the base value and resets the offset to zero.
-     * The final output of the value is unchanged.
+     * Animates a value along a timed easing curve.  The `Easing` module has tons
+     * of pre-defined curves, or you can use your own function.
      */
-    flattenOffset(): void
+    export const timing: (value: AnimatedValue | AnimatedValueXY, config: TimingAnimationConfig) => CompositeAnimation;
+
+    interface TimingAnimationConfig extends AnimationConfig {
+        toValue: number | AnimatedValue | { x: number; y: number } | AnimatedValueXY;
+        easing?: (value: number) => number;
+        duration?: number;
+        delay?: number;
+    }
+
+    interface SpringAnimationConfig extends AnimationConfig {
+        toValue: number | AnimatedValue | { x: number; y: number } | AnimatedValueXY;
+        overshootClamping?: boolean;
+        restDisplacementThreshold?: number;
+        restSpeedThreshold?: number;
+        velocity?: number | { x: number; y: number };
+        bounciness?: number;
+        speed?: number;
+        tension?: number;
+        friction?: number;
+        stiffness?: number;
+        mass?: number;
+        damping?: number;
+        delay?: number;
+    }
+
+    interface LoopAnimationConfig {
+        iterations?: number; // default -1 for infinite
+    }
 
     /**
-     * Sets the offset value to the base value, and resets the base value to zero.
-     * The final output of the value is unchanged.
+     * Creates a new Animated value composed from two Animated values added
+     * together.
      */
-    extractOffset(): void
+    export function add(a: Animated, b: Animated): AnimatedAddition;
+
+    class AnimatedAddition extends AnimatedInterpolation {}
 
     /**
-     * Adds an asynchronous listener to the value so you can observe updates from
-     * animations.  This is useful because there is no way to
-     * synchronously read the value because it might be driven natively.
+     * Creates a new Animated value composed by subtracting the second Animated
+     * value from the first Animated value.
      */
-    addListener(callback: ValueListenerCallback): string
+    export function subtract(a: Animated, b: Animated): AnimatedSubtraction;
+
+    class AnimatedSubtraction extends AnimatedInterpolation {}
 
-    removeListener(id: string): void
+    /**
+     * Creates a new Animated value composed by dividing the first Animated
+     * value by the second Animated value.
+     */
+    export function divide(a: Animated, b: Animated): AnimatedDivision;
 
-    removeAllListeners(): void
+    class AnimatedDivision extends AnimatedInterpolation {}
 
     /**
-     * Stops any running animation or tracking.  `callback` is invoked with the
-     * final value after stopping the animation, which is useful for updating
-     * state to match the animation position with layout.
+     * Creates a new Animated value composed from two Animated values multiplied
+     * together.
      */
-    stopAnimation(callback?: (value: number) => void): void
+    export function multiply(a: Animated, b: Animated): AnimatedMultiplication;
+
+    class AnimatedMultiplication extends AnimatedInterpolation {}
 
     /**
-     * Interpolates the value before updating the property, e.g. mapping 0-1 to
-     * 0-10.
+     * Creates a new Animated value that is the (non-negative) modulo of the
+     * provided Animated value
      */
-    interpolate(config: InterpolationConfigType): AnimatedInterpolation
-  }
+    export function modulo(a: Animated, modulus: number): AnimatedModulo;
+
+    class AnimatedModulo extends AnimatedInterpolation {}
 
-  type ValueXYListenerCallback = (value: {x: number; y: number}) => void
+    /**
+     * Create a new Animated value that is limited between 2 values. It uses the
+     * difference between the last value so even if the value is far from the bounds
+     * it will start changing when the value starts getting closer again.
+     * (`value = clamp(value + diff, min, max)`).
+     *
+     * This is useful with scroll events, for example, to show the navbar when
+     * scrolling up and to hide it when scrolling down.
+     */
+    export function diffClamp(a: Animated, min: number, max: number): AnimatedDiffClamp;
 
-  /**
-   * 2D Value for driving 2D animations, such as pan gestures.  Almost identical
-   * API to normal `Animated.Value`, but multiplexed.  Contains two regular
-   * `Animated.Value`s under the hood.
-   */
-  export class ValueXY extends AnimatedWithChildren {
-    x: AnimatedValue
-    y: AnimatedValue
+    class AnimatedDiffClamp extends AnimatedInterpolation {}
 
-    constructor(valueIn?: {x: number | AnimatedValue; y: number | AnimatedValue})
+    /**
+     * Starts an animation after the given delay.
+     */
+    export function delay(time: number): CompositeAnimation;
 
-    setValue(value: {x: number; y: number}): void
+    /**
+     * Starts an array of animations in order, waiting for each to complete
+     * before starting the next.  If the current running animation is stopped, no
+     * following animations will be started.
+     */
+    export function sequence(animations: Array<CompositeAnimation>): CompositeAnimation;
 
-    setOffset(offset: {x: number; y: number}): void
+    /**
+     * Array of animations may run in parallel (overlap), but are started in
+     * sequence with successive delays.  Nice for doing trailing effects.
+     */
 
-    flattenOffset(): void
+    export function stagger(time: number, animations: Array<CompositeAnimation>): CompositeAnimation;
 
-    extractOffset(): void
+    /**
+     * Loops a given animation continuously, so that each time it reaches the end,
+     * it resets and begins again from the start. Can specify number of times to
+     * loop using the key 'iterations' in the config. Will loop without blocking
+     * the UI thread if the child animation is set to 'useNativeDriver'.
+     */
 
-    stopAnimation(callback?: (value: {x: number; y: number}) => void): void
+    export function loop(animation: CompositeAnimation, config?: LoopAnimationConfig): CompositeAnimation;
 
-    addListener(callback: ValueXYListenerCallback): string
+    /**
+     * Spring animation based on Rebound and Origami.  Tracks velocity state to
+     * create fluid motions as the `toValue` updates, and can be chained together.
+     */
+    export function spring(value: AnimatedValue | AnimatedValueXY, config: SpringAnimationConfig): CompositeAnimation;
 
-    removeListener(id: string): void
+    type ParallelConfig = {
+        stopTogether?: boolean; // If one is stopped, stop all.  default: true
+    };
 
     /**
-     * Converts `{x, y}` into `{left, top}` for use in style, e.g.
-     *
-     *```javascript
-     *  style={this.state.anim.getLayout()}
-     *```
+     * Starts an array of animations all at the same time.  By default, if one
+     * of the animations is stopped, they will all be stopped.  You can override
+     * this with the `stopTogether` flag.
      */
-    getLayout(): {[key: string]: AnimatedValue}
+    export function parallel(animations: Array<CompositeAnimation>, config?: ParallelConfig): CompositeAnimation;
+
+    type Mapping = { [key: string]: Mapping } | AnimatedValue;
+    interface EventConfig<T> {
+        listener?: (event: NativeSyntheticEvent<T>) => void;
+        useNativeDriver?: boolean;
+    }
 
     /**
-     * Converts `{x, y}` into a useable translation transform, e.g.
+     *  Takes an array of mappings and extracts values from each arg accordingly,
+     *  then calls `setValue` on the mapped outputs.  e.g.
      *
      *```javascript
-     *  style={{
-     *    transform: this.state.anim.getTranslateTransform()
-     *  }}
+     *  onScroll={Animated.event(
+     *    [{nativeEvent: {contentOffset: {x: this._scrollX}}}]
+     *    {listener},          // Optional async listener
+     *  )
+     *  ...
+     *  onPanResponderMove: Animated.event([
+     *    null,                // raw event arg ignored
+     *    {dx: this._panX},    // gestureState arg
+     *  ]),
      *```
      */
-    getTranslateTransform(): {[key: string]: AnimatedValue}[]
-  }
-
-  type EndResult = {finished: boolean}
-  type EndCallback = (result: EndResult) => void
-
-  export interface CompositeAnimation {
-    start: (callback?: EndCallback) => void
-    stop: () => void
-  }
-
-  interface AnimationConfig {
-    isInteraction?: boolean
-    useNativeDriver?: boolean
-  }
-
-  /**
-   * Animates a value from an initial velocity to zero based on a decay
-   * coefficient.
-   */
-  export function decay(
-    value: AnimatedValue | AnimatedValueXY,
-    config: DecayAnimationConfig
-  ): CompositeAnimation
-
-  interface DecayAnimationConfig extends AnimationConfig {
-    velocity: number | {x: number; y: number}
-    deceleration?: number
-  }
-
-  /**
-   * Animates a value along a timed easing curve.  The `Easing` module has tons
-   * of pre-defined curves, or you can use your own function.
-   */
-  export const timing: (
-    value: AnimatedValue | AnimatedValueXY,
-    config: TimingAnimationConfig
-  ) => CompositeAnimation
-
-  interface TimingAnimationConfig extends AnimationConfig {
-    toValue: number | AnimatedValue | {x: number; y: number} | AnimatedValueXY
-    easing?: (value: number) => number
-    duration?: number
-    delay?: number
-  }
-
-  interface SpringAnimationConfig extends AnimationConfig {
-    toValue: number | AnimatedValue | {x: number; y: number} | AnimatedValueXY
-    overshootClamping?: boolean
-    restDisplacementThreshold?: number
-    restSpeedThreshold?: number
-    velocity?: number | {x: number; y: number}
-    bounciness?: number
-    speed?: number
-    tension?: number
-    friction?: number
-    stiffness?: number
-    mass?: number
-    damping?: number
-    delay?: number
-  }
-
-  interface LoopAnimationConfig {
-    iterations?: number // default -1 for infinite
-  }
-
-  /**
-   * Creates a new Animated value composed from two Animated values added
-   * together.
-   */
-  export function add(a: Animated, b: Animated): AnimatedAddition
-
-  class AnimatedAddition extends AnimatedInterpolation {}
-
-  /**
-   * Creates a new Animated value composed by subtracting the second Animated
-   * value from the first Animated value.
-   */
-  export function subtract(a: Animated, b: Animated): AnimatedSubtraction
-
-  class AnimatedSubtraction extends AnimatedInterpolation {}
-
-  /**
-   * Creates a new Animated value composed by dividing the first Animated
-   * value by the second Animated value.
-   */
-  export function divide(a: Animated, b: Animated): AnimatedDivision
-
-  class AnimatedDivision extends AnimatedInterpolation {}
-
-  /**
-   * Creates a new Animated value composed from two Animated values multiplied
-   * together.
-   */
-  export function multiply(a: Animated, b: Animated): AnimatedMultiplication
-
-  class AnimatedMultiplication extends AnimatedInterpolation {}
-
-  /**
-   * Creates a new Animated value that is the (non-negative) modulo of the
-   * provided Animated value
-   */
-  export function modulo(a: Animated, modulus: number): AnimatedModulo
-
-  class AnimatedModulo extends AnimatedInterpolation {}
-
-  /**
-   * Create a new Animated value that is limited between 2 values. It uses the
-   * difference between the last value so even if the value is far from the bounds
-   * it will start changing when the value starts getting closer again.
-   * (`value = clamp(value + diff, min, max)`).
-   *
-   * This is useful with scroll events, for example, to show the navbar when
-   * scrolling up and to hide it when scrolling down.
-   */
-  export function diffClamp(a: Animated, min: number, max: number): AnimatedDiffClamp
-
-  class AnimatedDiffClamp extends AnimatedInterpolation {}
-
-  /**
-   * Starts an animation after the given delay.
-   */
-  export function delay(time: number): CompositeAnimation
-
-  /**
-   * Starts an array of animations in order, waiting for each to complete
-   * before starting the next.  If the current running animation is stopped, no
-   * following animations will be started.
-   */
-  export function sequence(animations: Array<CompositeAnimation>): CompositeAnimation
-
-  /**
-   * Array of animations may run in parallel (overlap), but are started in
-   * sequence with successive delays.  Nice for doing trailing effects.
-   */
-
-  export function stagger(time: number, animations: Array<CompositeAnimation>): CompositeAnimation
-
-  /**
-   * Loops a given animation continuously, so that each time it reaches the end,
-   * it resets and begins again from the start. Can specify number of times to
-   * loop using the key 'iterations' in the config. Will loop without blocking
-   * the UI thread if the child animation is set to 'useNativeDriver'.
-   */
-
-  export function loop(animation: CompositeAnimation, config?: LoopAnimationConfig): CompositeAnimation
-
-  /**
-   * Spring animation based on Rebound and Origami.  Tracks velocity state to
-   * create fluid motions as the `toValue` updates, and can be chained together.
-   */
-  export function spring(
-    value: AnimatedValue | AnimatedValueXY,
-    config: SpringAnimationConfig
-  ): CompositeAnimation
-
-  type ParallelConfig = {
-    stopTogether?: boolean // If one is stopped, stop all.  default: true
-  }
-
-  /**
-   * Starts an array of animations all at the same time.  By default, if one
-   * of the animations is stopped, they will all be stopped.  You can override
-   * this with the `stopTogether` flag.
-   */
-  export function parallel(animations: Array<CompositeAnimation>, config?: ParallelConfig): CompositeAnimation
-
-  type Mapping = {[key: string]: Mapping} | AnimatedValue
-  interface EventConfig<T> {
-    listener?: (event: NativeSyntheticEvent<T>) => void
-    useNativeDriver?: boolean
-  }
-
-  /**
-   *  Takes an array of mappings and extracts values from each arg accordingly,
-   *  then calls `setValue` on the mapped outputs.  e.g.
-   *
-   *```javascript
-   *  onScroll={Animated.event(
-   *    [{nativeEvent: {contentOffset: {x: this._scrollX}}}]
-   *    {listener},          // Optional async listener
-   *  )
-   *  ...
-   *  onPanResponderMove: Animated.event([
-   *    null,                // raw event arg ignored
-   *    {dx: this._panX},    // gestureState arg
-   *  ]),
-   *```
-   */
-  export function event<T>(
-    argMapping: Array<Mapping | null>,
-    config?: EventConfig<T>
-  ): (...args: any[]) => void
-
-  /**
-   * Make any React component Animatable.  Used to create `Animated.View`, etc.
-   */
-  export function createAnimatedComponent(component: any): any
-
-  /**
-   * Animated variants of the basic native views. Accepts Animated.Value for
-   * props and style.
-   */
-  export const View: any
-  export const Image: any
-  export const Text: any
-  export const ScrollView: any
-  export const FlatList: any
-  export const SectionList: any
+    export function event<T>(argMapping: Array<Mapping | null>, config?: EventConfig<T>): (...args: any[]) => void;
+
+    /**
+     * Make any React component Animatable.  Used to create `Animated.View`, etc.
+     */
+    export function createAnimatedComponent(component: any): any;
+
+    /**
+     * Animated variants of the basic native views. Accepts Animated.Value for
+     * props and style.
+     */
+    export const View: any;
+    export const Image: any;
+    export const Text: any;
+    export const ScrollView: any;
+    export const FlatList: any;
+    export const SectionList: any;
 }
 
 // tslint:disable-next-line:interface-name
 export interface I18nManagerStatic {
-  isRTL: boolean
-  allowRTL: (allowRTL: boolean) => {}
-  forceRTL: (forceRTL: boolean) => {}
+    isRTL: boolean;
+    allowRTL: (allowRTL: boolean) => {};
+    forceRTL: (forceRTL: boolean) => {};
 }
 
 export interface GeolocationStatic {
-  /**
-   * Invokes the success callback once with the latest location info.  Supported
-   * options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool)
-   * On Android, this can return almost immediately if the location is cached or
-   * request an update, which might take a while.
-   */
-  getCurrentPosition(
-    geo_success: (position: GeolocationReturnType) => void,
-    geo_error?: (error: GeolocationError) => void,
-    geo_options?: GeoOptions
-  ): void
+    /**
+     * Invokes the success callback once with the latest location info.  Supported
+     * options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool)
+     * On Android, this can return almost immediately if the location is cached or
+     * request an update, which might take a while.
+     */
+    getCurrentPosition(
+        geo_success: (position: GeolocationReturnType) => void,
+        geo_error?: (error: GeolocationError) => void,
+        geo_options?: GeoOptions
+    ): void;
 
-  /**
-   * Invokes the success callback whenever the location changes.  Supported
-   * options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool), distanceFilter(m)
-   */
-  watchPosition(
-    success: (position: GeolocationReturnType) => void,
-    error?: (error: GeolocationError) => void,
-    options?: GeoOptions
-  ): number
+    /**
+     * Invokes the success callback whenever the location changes.  Supported
+     * options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool), distanceFilter(m)
+     */
+    watchPosition(
+        success: (position: GeolocationReturnType) => void,
+        error?: (error: GeolocationError) => void,
+        options?: GeoOptions
+    ): number;
 
-  clearWatch(watchID: number): void
+    clearWatch(watchID: number): void;
 
-  stopObserving(): void
+    stopObserving(): void;
 
-  requestAuthorization(): void
+    requestAuthorization(): void;
 
-  setRNConfiguration(config: GeoConfiguration): void
+    setRNConfiguration(config: GeoConfiguration): void;
 }
 
 export interface OpenCameraDialogOptions {
-  /** Defaults to false */
-  videoMode?: boolean
+    /** Defaults to false */
+    videoMode?: boolean;
 }
 
 export interface OpenSelectDialogOptions {
-  /** Defaults to true */
-  showImages?: boolean
-  /** Defaults to false */
-  showVideos?: boolean
+    /** Defaults to true */
+    showImages?: boolean;
+    /** Defaults to false */
+    showVideos?: boolean;
 }
 
 /** [imageURL|tempImageTag, height, width] */
-export type ImagePickerResult = [string, number, number]
+export type ImagePickerResult = [string, number, number];
 
 export interface ImagePickerIOSStatic {
-  canRecordVideos(callback: (value: boolean) => void): void
-  canUseCamera(callback: (value: boolean) => void): void
-  openCameraDialog(
-    config: OpenCameraDialogOptions,
-    successCallback: (args: ImagePickerResult) => void,
-    cancelCallback: (args: any[]) => void
-  ): void
-  openSelectDialog(
-    config: OpenSelectDialogOptions,
-    successCallback: (args: ImagePickerResult) => void,
-    cancelCallback: (args: any[]) => void
-  ): void
+    canRecordVideos(callback: (value: boolean) => void): void;
+    canUseCamera(callback: (value: boolean) => void): void;
+    openCameraDialog(
+        config: OpenCameraDialogOptions,
+        successCallback: (args: ImagePickerResult) => void,
+        cancelCallback: (args: any[]) => void
+    ): void;
+    openSelectDialog(
+        config: OpenSelectDialogOptions,
+        successCallback: (args: ImagePickerResult) => void,
+        cancelCallback: (args: any[]) => void
+    ): void;
 }
 
 export interface ImageStoreStatic {
-  /**
-   * Check if the ImageStore contains image data for the specified URI.
-   * @platform ios
-   */
-  hasImageForTag(uri: string, callback: (hasImage: boolean) => void): void
-
-  /**
-   * Delete an image from the ImageStore. Images are stored in memory and
-   * must be manually removed when you are finished with them, otherwise they
-   * will continue to use up RAM until the app is terminated. It is safe to
-   * call `removeImageForTag()` without first calling `hasImageForTag()`, it
-   * will simply fail silently.
-   * @platform ios
-   */
-  removeImageForTag(uri: string): void
-
-  /**
-   * Stores a base64-encoded image in the ImageStore, and returns a URI that
-   * can be used to access or display the image later. Images are stored in
-   * memory only, and must be manually deleted when you are finished with
-   * them by calling `removeImageForTag()`.
-   *
-   * Note that it is very inefficient to transfer large quantities of binary
-   * data between JS and native code, so you should avoid calling this more
-   * than necessary.
-   * @platform ios
-   */
-  addImageFromBase64(
-    base64ImageData: string,
-    success: (uri: string) => void,
-    failure: (error: any) => void
-  ): void
-
-  /**
-   * Retrieves the base64-encoded data for an image in the ImageStore. If the
-   * specified URI does not match an image in the store, the failure callback
-   * will be called.
-   *
-   * Note that it is very inefficient to transfer large quantities of binary
-   * data between JS and native code, so you should avoid calling this more
-   * than necessary. To display an image in the ImageStore, you can just pass
-   * the URI to an `<Image/>` component; there is no need to retrieve the
-   * base64 data.
-   */
-  getBase64ForTag(
-    uri: string,
-    success: (base64ImageData: string) => void,
-    failure: (error: any) => void
-  ): void
+    /**
+     * Check if the ImageStore contains image data for the specified URI.
+     * @platform ios
+     */
+    hasImageForTag(uri: string, callback: (hasImage: boolean) => void): void;
+
+    /**
+     * Delete an image from the ImageStore. Images are stored in memory and
+     * must be manually removed when you are finished with them, otherwise they
+     * will continue to use up RAM until the app is terminated. It is safe to
+     * call `removeImageForTag()` without first calling `hasImageForTag()`, it
+     * will simply fail silently.
+     * @platform ios
+     */
+    removeImageForTag(uri: string): void;
+
+    /**
+     * Stores a base64-encoded image in the ImageStore, and returns a URI that
+     * can be used to access or display the image later. Images are stored in
+     * memory only, and must be manually deleted when you are finished with
+     * them by calling `removeImageForTag()`.
+     *
+     * Note that it is very inefficient to transfer large quantities of binary
+     * data between JS and native code, so you should avoid calling this more
+     * than necessary.
+     * @platform ios
+     */
+    addImageFromBase64(base64ImageData: string, success: (uri: string) => void, failure: (error: any) => void): void;
+
+    /**
+     * Retrieves the base64-encoded data for an image in the ImageStore. If the
+     * specified URI does not match an image in the store, the failure callback
+     * will be called.
+     *
+     * Note that it is very inefficient to transfer large quantities of binary
+     * data between JS and native code, so you should avoid calling this more
+     * than necessary. To display an image in the ImageStore, you can just pass
+     * the URI to an `<Image/>` component; there is no need to retrieve the
+     * base64 data.
+     */
+    getBase64ForTag(uri: string, success: (base64ImageData: string) => void, failure: (error: any) => void): void;
 }
 
 //
@@ -9142,10 +9114,10 @@ export interface ImageStoreStatic {
 //
 
 export interface NativeEventSubscription {
-  /**
-   * Call this method to un-subscribe from a native-event
-   */
-  remove(): void
+    /**
+     * Call this method to un-subscribe from a native-event
+     */
+    remove(): void;
 }
 
 /**
@@ -9155,105 +9127,105 @@ export interface NativeEventSubscription {
  * @see https://github.com/facebook/react-native/blob/0.34-stable\Libraries\EventEmitter\RCTNativeAppEventEmitter.js
  * @see https://facebook.github.io/react-native/docs/native-modules-ios.html#sending-events-to-javascript
  */
-type RCTNativeAppEventEmitter = DeviceEventEmitterStatic
+type RCTNativeAppEventEmitter = DeviceEventEmitterStatic;
 
 interface ImageCropData {
-  /**
-   * The top-left corner of the cropped image, specified in the original
-   * image's coordinate space.
-   */
-  offset: {
-    x: number
-    y: number
-  }
-
-  /**
-   * The size (dimensions) of the cropped image, specified in the original
-   * image's coordinate space.
-   */
-  size: {
-    width: number
-    height: number
-  }
-
-  /**
-   * (Optional) size to scale the cropped image to.
-   */
-  displaySize?: {width: number; height: number}
-
-  /**
-   * (Optional) the resizing mode to use when scaling the image. If the
-   * `displaySize` param is not specified, this has no effect.
-   */
-  resizeMode?: 'contain' | 'cover' | 'stretch'
+    /**
+     * The top-left corner of the cropped image, specified in the original
+     * image's coordinate space.
+     */
+    offset: {
+        x: number;
+        y: number;
+    };
+
+    /**
+     * The size (dimensions) of the cropped image, specified in the original
+     * image's coordinate space.
+     */
+    size: {
+        width: number;
+        height: number;
+    };
+
+    /**
+     * (Optional) size to scale the cropped image to.
+     */
+    displaySize?: { width: number; height: number };
+
+    /**
+     * (Optional) the resizing mode to use when scaling the image. If the
+     * `displaySize` param is not specified, this has no effect.
+     */
+    resizeMode?: "contain" | "cover" | "stretch";
 }
 
 interface ImageEditorStatic {
-  /**
-   * Crop the image specified by the URI param. If URI points to a remote
-   * image, it will be downloaded automatically. If the image cannot be
-   * loaded/downloaded, the failure callback will be called.
-   *
-   * If the cropping process is successful, the resultant cropped image
-   * will be stored in the ImageStore, and the URI returned in the success
-   * callback will point to the image in the store. Remember to delete the
-   * cropped image from the ImageStore when you are done with it.
-   */
-  cropImage(
-    uri: string,
-    cropData: ImageCropData,
-    success: (uri: string) => void,
-    failure: (error: Object) => void
-  ): void
+    /**
+     * Crop the image specified by the URI param. If URI points to a remote
+     * image, it will be downloaded automatically. If the image cannot be
+     * loaded/downloaded, the failure callback will be called.
+     *
+     * If the cropping process is successful, the resultant cropped image
+     * will be stored in the ImageStore, and the URI returned in the success
+     * callback will point to the image in the store. Remember to delete the
+     * cropped image from the ImageStore when you are done with it.
+     */
+    cropImage(
+        uri: string,
+        cropData: ImageCropData,
+        success: (uri: string) => void,
+        failure: (error: Object) => void
+    ): void;
 }
 
 export interface ARTNodeMixin {
-  opacity?: number
-  originX?: number
-  originY?: number
-  scaleX?: number
-  scaleY?: number
-  scale?: number
-  title?: string
-  x?: number
-  y?: number
-  visible?: boolean
+    opacity?: number;
+    originX?: number;
+    originY?: number;
+    scaleX?: number;
+    scaleY?: number;
+    scale?: number;
+    title?: string;
+    x?: number;
+    y?: number;
+    visible?: boolean;
 }
 
 export interface ARTGroupProps extends ARTNodeMixin {
-  width?: number
-  height?: number
+    width?: number;
+    height?: number;
 }
 
 export interface ARTClippingRectangleProps extends ARTNodeMixin {
-  width?: number
-  height?: number
+    width?: number;
+    height?: number;
 }
 
 export interface ARTRenderableMixin extends ARTNodeMixin {
-  fill?: string
-  stroke?: string
-  strokeCap?: 'butt' | 'square' | 'round'
-  strokeDash?: number[]
-  strokeJoin?: 'bevel' | 'miter' | 'round'
-  strokeWidth?: number
+    fill?: string;
+    stroke?: string;
+    strokeCap?: "butt" | "square" | "round";
+    strokeDash?: number[];
+    strokeJoin?: "bevel" | "miter" | "round";
+    strokeWidth?: number;
 }
 
 export interface ARTShapeProps extends ARTRenderableMixin {
-  d: string
-  width?: number
-  height?: number
+    d: string;
+    width?: number;
+    height?: number;
 }
 
 export interface ARTTextProps extends ARTRenderableMixin {
-  font?: string
-  alignment?: string
+    font?: string;
+    alignment?: string;
 }
 
 export interface ARTSurfaceProps {
-  style?: StyleProp<ViewStyle>
-  width: number
-  height: number
+    style?: StyleProp<ViewStyle>;
+    width: number;
+    height: number;
 }
 
 export class ClippingRectangle extends React.Component<ARTClippingRectangleProps> {}
@@ -9267,43 +9239,51 @@ export class Surface extends React.Component<ARTSurfaceProps> {}
 export class ARTText extends React.Component<ARTTextProps> {}
 
 export interface ARTStatic {
-  ClippingRectangle: typeof ClippingRectangle
-  Group: typeof Group
-  Shape: typeof Shape
-  Surface: typeof Surface
-  Text: typeof ARTText
+    ClippingRectangle: typeof ClippingRectangle;
+    Group: typeof Group;
+    Shape: typeof Shape;
+    Surface: typeof Surface;
+    Text: typeof ARTText;
 }
 
 export type KeyboardEventName =
-  | 'keyboardWillShow'
-  | 'keyboardDidShow'
-  | 'keyboardWillHide'
-  | 'keyboardDidHide'
-  | 'keyboardWillChangeFrame'
-  | 'keyboardDidChangeFrame'
-
-export type KeyboardEventEasing = 'easeIn' | 'easeInEaseOut' | 'easeOut' | 'linear' | 'keyboard'
+    | "keyboardWillShow"
+    | "keyboardDidShow"
+    | "keyboardWillHide"
+    | "keyboardDidHide"
+    | "keyboardWillChangeFrame"
+    | "keyboardDidChangeFrame";
+
+export type KeyboardEventEasing =
+    | "easeIn"
+    | "easeInEaseOut"
+    | "easeOut"
+    | "linear"
+    | "keyboard";
 
 type ScreenRect = {
-  screenX: number
-  screenY: number
-  width: number
-  height: number
-}
+    screenX: number;
+    screenY: number;
+    width: number;
+    height: number;
+};
 
 export interface KeyboardEvent {
-  duration: number
-  easing: KeyboardEventEasing
-  endCoordinates: ScreenRect
-  startCoordinates: ScreenRect
-  isEventFromThisApp: boolean
+    duration: number;
+    easing: KeyboardEventEasing;
+    endCoordinates: ScreenRect;
+    startCoordinates: ScreenRect;
+    isEventFromThisApp: boolean;
 }
 
-type KeyboardEventListener = (event: KeyboardEvent) => void
+type KeyboardEventListener = (event: KeyboardEvent) => void;
 
 export interface KeyboardStatic extends NativeEventEmitter {
-  dismiss: () => void
-  addListener(eventType: KeyboardEventName, listener: KeyboardEventListener): EmitterSubscription
+    dismiss: () => void;
+    addListener(
+        eventType: KeyboardEventName,
+        listener: KeyboardEventListener
+    ): EmitterSubscription;
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -9314,159 +9294,159 @@ export interface KeyboardStatic extends NativeEventEmitter {
 
 // TODO: The following components need to be added
 // - [ ] ART
-export const ART: ARTStatic
-export type ART = ARTStatic
+export const ART: ARTStatic;
+export type ART = ARTStatic;
 
-export const ImagePickerIOS: ImagePickerIOSStatic
-export type ImagePickerIOS = ImagePickerIOSStatic
+export const ImagePickerIOS: ImagePickerIOSStatic;
+export type ImagePickerIOS = ImagePickerIOSStatic;
 
-export const LayoutAnimation: LayoutAnimationStatic
-export type LayoutAnimation = LayoutAnimationStatic
+export const LayoutAnimation: LayoutAnimationStatic;
+export type LayoutAnimation = LayoutAnimationStatic;
 
-export const SectionList: SectionListStatic<any>
-export type SectionList<ItemT> = SectionListStatic<ItemT>
+export const SectionList: SectionListStatic<any>;
+export type SectionList<ItemT> = SectionListStatic<ItemT>;
 
-export const Systrace: SystraceStatic
-export type Systrace = SystraceStatic
+export const Systrace: SystraceStatic;
+export type Systrace = SystraceStatic;
 
 //////////// APIS //////////////
-export const ActionSheetIOS: ActionSheetIOSStatic
-export type ActionSheetIOS = ActionSheetIOSStatic
+export const ActionSheetIOS: ActionSheetIOSStatic;
+export type ActionSheetIOS = ActionSheetIOSStatic;
 
-export const Share: ShareStatic
-export type Share = ShareStatic
+export const Share: ShareStatic;
+export type Share = ShareStatic;
 
-export const AdSupportIOS: AdSupportIOSStatic
-export type AdSupportIOS = AdSupportIOSStatic
+export const AdSupportIOS: AdSupportIOSStatic;
+export type AdSupportIOS = AdSupportIOSStatic;
 
-export const AccessibilityInfo: AccessibilityInfoStatic
-export type AccessibilityInfo = AccessibilityInfoStatic
+export const AccessibilityInfo: AccessibilityInfoStatic;
+export type AccessibilityInfo = AccessibilityInfoStatic;
 
-export const Alert: AlertStatic
-export type Alert = AlertStatic
+export const Alert: AlertStatic;
+export type Alert = AlertStatic;
 
-export const AlertAndroid: AlertAndroidStatic
-export type AlertAndroid = AlertAndroidStatic
+export const AlertAndroid: AlertAndroidStatic;
+export type AlertAndroid = AlertAndroidStatic;
 
-export const AlertIOS: AlertIOSStatic
-export type AlertIOS = AlertIOSStatic
+export const AlertIOS: AlertIOSStatic;
+export type AlertIOS = AlertIOSStatic;
 
-export const AppState: AppStateStatic
-export type AppState = AppStateStatic
+export const AppState: AppStateStatic;
+export type AppState = AppStateStatic;
 
-export const AppStateIOS: AppStateStatic
-export type AppStateIOS = AppStateStatic
+export const AppStateIOS: AppStateStatic;
+export type AppStateIOS = AppStateStatic;
 
-export const AsyncStorage: AsyncStorageStatic
-export type AsyncStorage = AsyncStorageStatic
+export const AsyncStorage: AsyncStorageStatic;
+export type AsyncStorage = AsyncStorageStatic;
 
-export const BackAndroid: BackAndroidStatic
-export type BackAndroid = BackAndroidStatic
+export const BackAndroid: BackAndroidStatic;
+export type BackAndroid = BackAndroidStatic;
 
-export const BackHandler: BackHandlerStatic
-export type BackHandler = BackHandlerStatic
+export const BackHandler: BackHandlerStatic;
+export type BackHandler = BackHandlerStatic;
 
-export const CameraRoll: CameraRollStatic
-export type CameraRoll = CameraRollStatic
+export const CameraRoll: CameraRollStatic;
+export type CameraRoll = CameraRollStatic;
 
-export const Clipboard: ClipboardStatic
-export type Clipboard = ClipboardStatic
+export const Clipboard: ClipboardStatic;
+export type Clipboard = ClipboardStatic;
 
-export const DatePickerAndroid: DatePickerAndroidStatic
-export type DatePickerAndroid = DatePickerAndroidStatic
+export const DatePickerAndroid: DatePickerAndroidStatic;
+export type DatePickerAndroid = DatePickerAndroidStatic;
 
-export const Geolocation: GeolocationStatic
-export type Geolocation = GeolocationStatic
+export const Geolocation: GeolocationStatic;
+export type Geolocation = GeolocationStatic;
 
 /** http://facebook.github.io/react-native/blog/2016/08/19/right-to-left-support-for-react-native-apps.html */
-export const I18nManager: I18nManagerStatic
-export type I18nManager = I18nManagerStatic
+export const I18nManager: I18nManagerStatic;
+export type I18nManager = I18nManagerStatic;
 
-export const ImageEditor: ImageEditorStatic
-export type ImageEditor = ImageEditorStatic
+export const ImageEditor: ImageEditorStatic;
+export type ImageEditor = ImageEditorStatic;
 
-export const ImageStore: ImageStoreStatic
-export type ImageStore = ImageStoreStatic
+export const ImageStore: ImageStoreStatic;
+export type ImageStore = ImageStoreStatic;
 
-export const InteractionManager: InteractionManagerStatic
+export const InteractionManager: InteractionManagerStatic;
 
-export const IntentAndroid: IntentAndroidStatic
-export type IntentAndroid = IntentAndroidStatic
+export const IntentAndroid: IntentAndroidStatic;
+export type IntentAndroid = IntentAndroidStatic;
 
-export const Keyboard: KeyboardStatic
+export const Keyboard: KeyboardStatic;
 
-export const Linking: LinkingStatic
-export type Linking = LinkingStatic
+export const Linking: LinkingStatic;
+export type Linking = LinkingStatic;
 
-export const LinkingIOS: LinkingIOSStatic
-export type LinkingIOS = LinkingIOSStatic
+export const LinkingIOS: LinkingIOSStatic;
+export type LinkingIOS = LinkingIOSStatic;
 
-export const NativeMethodsMixin: NativeMethodsMixinStatic
-export type NativeMethodsMixin = NativeMethodsMixinStatic
+export const NativeMethodsMixin: NativeMethodsMixinStatic;
+export type NativeMethodsMixin = NativeMethodsMixinStatic;
 
-export const NativeComponent: NativeMethodsMixinStatic
-export type NativeComponent = NativeMethodsMixinStatic
+export const NativeComponent: NativeMethodsMixinStatic;
+export type NativeComponent = NativeMethodsMixinStatic;
 
-export const NetInfo: NetInfoStatic
-export type NetInfo = NetInfoStatic
+export const NetInfo: NetInfoStatic;
+export type NetInfo = NetInfoStatic;
 
-export const PanResponder: PanResponderStatic
-export type PanResponder = PanResponderStatic
+export const PanResponder: PanResponderStatic;
+export type PanResponder = PanResponderStatic;
 
-export const PermissionsAndroid: PermissionsAndroidStatic
-export type PermissionsAndroid = PermissionsAndroidStatic
+export const PermissionsAndroid: PermissionsAndroidStatic;
+export type PermissionsAndroid = PermissionsAndroidStatic;
 
-export const PushNotificationIOS: PushNotificationIOSStatic
-export type PushNotificationIOS = PushNotificationIOSStatic
+export const PushNotificationIOS: PushNotificationIOSStatic;
+export type PushNotificationIOS = PushNotificationIOSStatic;
 
-export const Settings: SettingsStatic
-export type Settings = SettingsStatic
+export const Settings: SettingsStatic;
+export type Settings = SettingsStatic;
 
-export const StatusBarIOS: StatusBarIOSStatic
-export type StatusBarIOS = StatusBarIOSStatic
+export const StatusBarIOS: StatusBarIOSStatic;
+export type StatusBarIOS = StatusBarIOSStatic;
 
-export const TimePickerAndroid: TimePickerAndroidStatic
-export type TimePickerAndroid = TimePickerAndroidStatic
+export const TimePickerAndroid: TimePickerAndroidStatic;
+export type TimePickerAndroid = TimePickerAndroidStatic;
 
-export const ToastAndroid: ToastAndroidStatic
-export type ToastAndroid = ToastAndroidStatic
+export const ToastAndroid: ToastAndroidStatic;
+export type ToastAndroid = ToastAndroidStatic;
 
-export const UIManager: UIManagerStatic
-export type UIManager = UIManagerStatic
+export const UIManager: UIManagerStatic;
+export type UIManager = UIManagerStatic;
 
-export const VibrationIOS: VibrationIOSStatic
-export type VibrationIOS = VibrationIOSStatic
+export const VibrationIOS: VibrationIOSStatic;
+export type VibrationIOS = VibrationIOSStatic;
 
-export const Vibration: VibrationStatic
-export type Vibration = VibrationStatic
+export const Vibration: VibrationStatic;
+export type Vibration = VibrationStatic;
 
-export const Dimensions: Dimensions
-export const ShadowPropTypesIOS: ShadowPropTypesIOSStatic
+export const Dimensions: Dimensions;
+export const ShadowPropTypesIOS: ShadowPropTypesIOSStatic;
 
-export type Easing = EasingStatic
-export const Easing: EasingStatic
+export type Easing = EasingStatic;
+export const Easing: EasingStatic;
 
 //////////// Plugins //////////////
 
-export const DeviceEventEmitter: DeviceEventEmitterStatic
+export const DeviceEventEmitter: DeviceEventEmitterStatic;
 /**
  * Abstract base class for implementing event-emitting modules. This implements
  * a subset of the standard EventEmitter node module API.
  */
 export interface NativeEventEmitter extends EventEmitter {}
-export const NativeEventEmitter: NativeEventEmitter
+export const NativeEventEmitter: NativeEventEmitter;
 /**
  * Deprecated - subclass NativeEventEmitter to create granular event modules instead of
  * adding all event listeners directly to RCTNativeAppEventEmitter.
  */
-export const NativeAppEventEmitter: RCTNativeAppEventEmitter
+export const NativeAppEventEmitter: RCTNativeAppEventEmitter;
 
 /**
  * Interface for NativeModules which allows to augment NativeModules with type informations.
  * See react-native-sensor-manager for example.
  */
 interface NativeModulesStatic {
-  [name: string]: any
+    [name: string]: any;
 }
 
 /**
@@ -9476,14 +9456,9 @@ interface NativeModulesStatic {
  * Use:
  * <code>const MyModule = NativeModules.ModuleName</code>
  */
-export const NativeModules: NativeModulesStatic
-export const Platform:
-  | PlatformIOSStatic
-  | PlatformAndroidStatic
-  | PlatformWindowsOSStatic
-  | PlatformMacOSStatic
-  | PlatformWebStatic
-export const PixelRatio: PixelRatioStatic
+export const NativeModules: NativeModulesStatic;
+export const Platform: PlatformIOSStatic | PlatformAndroidStatic | PlatformWindowsOSStatic | PlatformMacOSStatic | PlatformWebStatic;
+export const PixelRatio: PixelRatioStatic;
 
 /**
  * Creates values that can be used like React components which represent native
@@ -9496,15 +9471,15 @@ export const PixelRatio: PixelRatioStatic
  * `any` because TypeScript assumes anonymous JSX intrinsics (`string` instead of `"div", for
  * example) not to have any props.
  */
-export function requireNativeComponent(viewName: string): any
+export function requireNativeComponent(viewName: string): any;
 
 export function findNodeHandle(
-  componentOrHandle: null | number | React.Component<any, any> | React.ComponentClass<any>
-): null | number
+    componentOrHandle: null | number | React.Component<any, any> | React.ComponentClass<any>
+): null | number;
 
-export function processColor(color: any): number
+export function processColor(color: any): number;
 
-export const YellowBox: React.Component<any, any> & {ignoreWarnings: (warnings: string[]) => void}
+export const YellowBox: React.Component<any, any> & { ignoreWarnings: (warnings: string[]) => void };
 
 //////////////////////////////////////////////////////////////////////////
 //
@@ -9512,91 +9487,93 @@ export const YellowBox: React.Component<any, any> & {ignoreWarnings: (warnings:
 //
 //////////////////////////////////////////////////////////////////////////
 
-export function __spread(target: any, ...sources: any[]): any
+export function __spread(target: any, ...sources: any[]): any;
 
-type ErrorHandlerCallback = (error: any, isFatal?: boolean) => void
+type ErrorHandlerCallback = (error: any, isFatal?: boolean) => void;
 
 export interface ErrorUtils {
-  setGlobalHandler: (callback: ErrorHandlerCallback) => void
-  getGlobalHandler: () => ErrorHandlerCallback
+    setGlobalHandler: (callback: ErrorHandlerCallback) => void;
+    getGlobalHandler: () => ErrorHandlerCallback;
 }
 
 //
 // Add-Ons
 //
 export namespace addons {
-  //FIXME: Documentation ?
-  export interface TestModuleStatic {
-    verifySnapshot: (done: (indicator?: any) => void) => void
-    markTestPassed: (indicator: any) => void
-    markTestCompleted: () => void
-  }
+    //FIXME: Documentation ?
+    export interface TestModuleStatic {
+        verifySnapshot: (done: (indicator?: any) => void) => void;
+        markTestPassed: (indicator: any) => void;
+        markTestCompleted: () => void;
+    }
 
-  export const TestModule: TestModuleStatic
-  export type TestModule = TestModuleStatic
+    export const TestModule: TestModuleStatic;
+    export type TestModule = TestModuleStatic;
 }
 
 //
 // Prop Types
 //
-export const ColorPropType: React.Validator<string>
-export const EdgeInsetsPropType: React.Validator<Insets>
-export const PointPropType: React.Validator<PointPropType>
-export const ViewPropTypes: React.ValidationMap<ViewProps>
+export const ColorPropType: React.Validator<string>;
+export const EdgeInsetsPropType: React.Validator<Insets>;
+export const PointPropType: React.Validator<PointPropType>;
+export const ViewPropTypes: React.ValidationMap<ViewProps>;
 
 declare global {
-  interface NodeRequire {
-    (id: string): any
-  }
-
-  var require: NodeRequire
-
-  /**
-   * Console polyfill
-   * @see https://facebook.github.io/react-native/docs/javascript-environment.html#polyfills
-   */
-  interface Console {
-    error(message?: any, ...optionalParams: any[]): void
-    info(message?: any, ...optionalParams: any[]): void
-    log(message?: any, ...optionalParams: any[]): void
-    warn(message?: any, ...optionalParams: any[]): void
-    trace(message?: any, ...optionalParams: any[]): void
-    debug(message?: any, ...optionalParams: any[]): void
-    table(...data: any[]): void
-    disableYellowBox: boolean
-    ignoredYellowBox: string[]
-  }
-
-  var console: Console
-
-  /**
-   * Navigator object for accessing location API
-   * @see https://facebook.github.io/react-native/docs/javascript-environment.html#polyfills
-   */
-  interface Navigator {
-    readonly product: string
-    // readonly geolocation: Geolocation
-  }
-
-  // const navigator: Navigator;
-
-  /**
-   * This contains the non-native `XMLHttpRequest` object, which you can use if you want to route network requests
-   * through DevTools (to trace them):
-   *
-   *   global.XMLHttpRequest = global.originalXMLHttpRequest;
-   *
-   * @see https://github.com/facebook/react-native/issues/934
-   */
-  const originalXMLHttpRequest: any
-
-  const __BUNDLE_START_TIME__: number
-  const ErrorUtils: ErrorUtils
-
-  /**
-   * This variable is set to true when react-native is running in Dev mode
-   * Typical usage:
-   * <code> if (__DEV__) console.log('Running in dev mode')</code>
-   */
-  const __DEV__: boolean
+    interface NodeRequire {
+        (id: string): any;
+    }
+
+    var require: NodeRequire;
+
+    /**
+     * Console polyfill
+     * @see https://facebook.github.io/react-native/docs/javascript-environment.html#polyfills
+     */
+    interface Console {
+        error(message?: any, ...optionalParams: any[]): void;
+        info(message?: any, ...optionalParams: any[]): void;
+        log(message?: any, ...optionalParams: any[]): void;
+        warn(message?: any, ...optionalParams: any[]): void;
+        trace(message?: any, ...optionalParams: any[]): void;
+        debug(message?: any, ...optionalParams: any[]): void;
+        table(...data: any[]): void;
+        disableYellowBox: boolean;
+        ignoredYellowBox: string[];
+    }
+
+    var console: Console;
+
+    /**
+     * Navigator object for accessing location API
+     * @see https://facebook.github.io/react-native/docs/javascript-environment.html#polyfills
+     */
+    interface Navigator {
+        readonly product: string;
+        /* readonly geolocation: Geolocation; */
+    }
+
+    /* const navigator: Navigator; */
+
+    /**
+     * This contains the non-native `XMLHttpRequest` object, which you can use if you want to route network requests
+     * through DevTools (to trace them):
+     *
+     *   global.XMLHttpRequest = global.originalXMLHttpRequest;
+     *
+     * @see https://github.com/facebook/react-native/issues/934
+     */
+    const originalXMLHttpRequest: any;
+
+    const __BUNDLE_START_TIME__: number;
+    const ErrorUtils: ErrorUtils;
+
+    /**
+     * This variable is set to true when react-native is running in Dev mode
+     * Typical usage:
+     * <code> if (__DEV__) console.log('Running in dev mode')</code>
+     */
+    const __DEV__: boolean;
+
+    const HermesInternal: null | {};
 }
diff --git a/shared/package.json b/shared/package.json
index bb445f29be00..c474c86b73a4 100644
--- a/shared/package.json
+++ b/shared/package.json
@@ -219,31 +219,32 @@
     "@storybook/react-native": "4.1.14",
     "@storybook/theming": "5.0.1",
     "@types/base64-js": "1.2.5",
-    "@types/classnames": "2.2.8",
+    "@types/classnames": "2.2.9",
     "@types/emoji-mart": "2.8.4",
     "@types/google-libphonenumber": "7.4.17",
     "@types/hoist-non-react-statics": "3.3.1",
     "@types/lodash-es": "4.17.3",
     "@types/memoize-one": "4.1.1",
     "@types/moment": "2.13.0",
-    "@types/mousetrap": "1.6.2",
+    "@types/mousetrap": "1.6.3",
+    "@types/node": "12.7.3",
     "@types/path-parse": "1.0.19",
-    "@types/react": "16.8.22",
-    "@types/react-dom": "16.8.4",
+    "@types/react": "16.9.2",
+    "@types/react-dom": "16.9.0",
     "@types/react-is": "16.7.1",
     "@types/react-list": "0.8.5",
     "@types/react-measure": "2.0.5",
-    "@types/react-native": "0.60.2",
-    "@types/react-navigation": "3.0.7",
+    "@types/react-native": "0.60.9",
+    "@types/react-navigation": "3.0.8",
     "@types/react-transition-group": "2.9.2",
     "@types/react-virtualized-auto-sizer": "1.0.0",
-    "@types/react-window": "1.8.0",
-    "@types/recompose": "0.30.6",
+    "@types/react-window": "1.8.1",
+    "@types/recompose": "0.30.7",
     "@types/shallowequal": "1.1.1",
     "@types/tlds": "1.199.0",
     "@types/url-parse": "1.4.3",
-    "@types/uuid": "3.4.4",
-    "@types/webpack-env": "1.13.9",
+    "@types/uuid": "3.4.5",
+    "@types/webpack-env": "1.14.0",
     "@types/whatwg-url": "6.4.0",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "11.0.0-beta.0",
@@ -281,7 +282,7 @@
     "style-loader": "0.23.1",
     "terser-webpack-plugin": "1.2.1",
     "tls": "git://github.com/keybase/nullModule",
-    "typescript": "3.5.3",
+    "typescript": "3.6.3",
     "webpack": "4.28.2",
     "webpack-cli": "3.2.1",
     "webpack-dashboard": "2.0.0",
@@ -317,7 +318,7 @@
     "**/@babel/runtime": "7.4.5",
     "**/@babel/traverse": "7.4.5",
     "**/@babel/types": "7.4.4",
-    "**/@types/react-native": "0.60.2",
+    "**/@types/react-native": "0.60.9",
     "babel-core": "7.0.0-bridge.0",
     "**/node-gyp/tar": "4.4.8",
     "react-native-screens": "git://github.com/keybase/react-native-screens#danny/fix-textinput-blur"
diff --git a/shared/settings/feedback/container.native.tsx b/shared/settings/feedback/container.native.tsx
index b49a9b780ff9..72d812cfca9e 100644
--- a/shared/settings/feedback/container.native.tsx
+++ b/shared/settings/feedback/container.native.tsx
@@ -58,9 +58,8 @@ class FeedbackContainer extends React.Component<Props, State> {
     this.setState({sending: true})
 
     this.props.setTimeout(() => {
-      const maybeDump = sendLogs ? this._dumpLogs() : Promise.resolve('')
+      const maybeDump = sendLogs ? this._dumpLogs() : Promise.resolve()
 
-      // @ts-ignore
       maybeDump
         .then(() => {
           logger.info(`Sending ${sendLogs ? 'log' : 'feedback'} to daemon`)
diff --git a/shared/store/configure-sagas.tsx b/shared/store/configure-sagas.tsx
index 013836036b9f..4c4a4b05b76c 100644
--- a/shared/store/configure-sagas.tsx
+++ b/shared/store/configure-sagas.tsx
@@ -25,7 +25,7 @@ import {reduxSagaLogger} from '../local-debug'
 import {sagaTimer} from '../util/user-timings'
 import * as Saga from '../util/saga'
 
-function* mainSaga(): Saga.SagaGenerator<any, any> {
+function* mainSaga() {
   yield Saga.spawn(chat2Saga)
   yield Saga.spawn(configSaga)
   yield Saga.spawn(deeplinksSaga)
diff --git a/shared/team-building/container.tsx b/shared/team-building/container.tsx
index 72858c136063..79f080f455b8 100644
--- a/shared/team-building/container.tsx
+++ b/shared/team-building/container.tsx
@@ -115,16 +115,11 @@ const deriveTeamSoFar = memoize(
     })
 )
 
-const deriveServiceResultCount: (
-  searchResults: Types.SearchResults,
-  query: string
-) => {[K in Types.ServiceIdWithContact]: number | null} = memoize(
-  (searchResults: Types.SearchResults, query) =>
-    // @ts-ignore codemod issue
-    searchResults
-      .get(trim(query), I.Map())
-      .map(results => results.length)
-      .toObject()
+const deriveServiceResultCount = memoize((searchResults: Types.SearchResults, query: string) =>
+  searchResults
+    .get(trim(query), I.Map<Types.ServiceIdWithContact, Array<Types.User>>())
+    .map(results => results.length)
+    .toObject()
 )
 
 const deriveShowResults = memoize(searchString => !!searchString)
diff --git a/shared/util/idle-callback.tsx b/shared/util/idle-callback.tsx
index e8b8958e5f7e..54970ce1c1f9 100644
--- a/shared/util/idle-callback.tsx
+++ b/shared/util/idle-callback.tsx
@@ -7,11 +7,13 @@ type TimeoutInfo = {
 
 function immediateCallback(cb: (info: TimeoutInfo) => void): NodeJS.Immediate {
   cb({didTimeout: true, timeRemaining: () => 0})
-  return {
+  const r = {
     _onImmediate: () => {},
-    ref: () => {},
-    unref: () => {},
+    hasRef: () => false,
+    ref: () => r,
+    unref: () => r,
   }
+  return r
 }
 
 function timeoutFallback(cb: (info: TimeoutInfo) => void): NodeJS.Timer {
diff --git a/shared/util/saga.tsx b/shared/util/saga.tsx
index e85379f91bfb..f6d5f9dd84fb 100644
--- a/shared/util/saga.tsx
+++ b/shared/util/saga.tsx
@@ -9,7 +9,7 @@ import {TypedActions, TypedActionsMap} from '../actions/typed-actions-gen'
 import put from './typed-put'
 import {isArray} from 'lodash-es'
 
-export type SagaGenerator<Yield, Actions> = IterableIterator<Yield | Actions>
+type ActionType = keyof TypedActionsMap
 
 export class SagaLogger {
   error: LogFn
@@ -17,7 +17,7 @@ export class SagaLogger {
   info: LogFn
   debug: LogFn
   isTagged = false
-  constructor(actionType, fcnTag) {
+  constructor(actionType: ActionType, fcnTag: string) {
     const prefix = `${fcnTag} [${actionType}]:`
     this.debug = (...args) => logger.debug(prefix, ...args)
     this.error = (...args) => logger.error(prefix, ...args)
@@ -33,7 +33,7 @@ export class SagaLogger {
 }
 
 // Useful in safeTakeEveryPure when you have an array of effects you want to run in order
-function* sequentially(effects: Array<any>): Iterable<Array<any>> {
+function* sequentially(effects: Array<any>): Generator<any, Array<any>, any> {
   const results: Array<unknown> = []
   for (let i = 0; i < effects.length; i++) {
     results.push(yield effects[i])
@@ -51,12 +51,12 @@ export type ChainActionReturn = ChainActionReturnInPromise | Promise<ChainAction
 // Get the values of an Array. i.e. ValuesOf<["FOO", "BAR"]> => "FOO" | "BAR"
 type ValuesOf<T extends any[]> = T[number]
 
-interface ChainAction {
+interface ChainAction2 {
   <AT extends ActionTypes>(
     actions: AT,
     handler: (state: TypedState, action: TypedActionsMap[AT], logger: SagaLogger) => ChainActionReturn,
     loggerTag?: string
-  ): IterableIterator<any>
+  ): Generator<void, void, void>
 
   <AT extends ActionTypes[]>(
     actions: AT,
@@ -66,13 +66,10 @@ interface ChainAction {
       logger: SagaLogger
     ) => ChainActionReturn,
     loggerTag?: string
-  ): IterableIterator<any>
+  ): Generator<void, void, void>
 }
 
-/**
- * TODO deprecated less typed version. Use chainAction2 instead
- */
-function* chainAction<Actions extends {readonly type: string}>(
+function* chainAction2Impl<Actions extends {readonly type: string}>(
   pattern: RS.Pattern,
   f: (state: TypedState, action: Actions, logger: SagaLogger) => ChainActionReturn,
   loggerTag?: string
@@ -81,7 +78,7 @@ function* chainAction<Actions extends {readonly type: string}>(
   return yield Effects.takeEvery<TypedActions>(pattern as RS.Pattern, function* chainActionHelper(
     action: TypedActions
   ) {
-    const sl = new SagaLogger(action.type, loggerTag || 'unknown')
+    const sl = new SagaLogger(action.type as ActionType, loggerTag || 'unknown')
     try {
       const state: TypedState = yield* selectState()
       // @ts-ignore
@@ -113,7 +110,7 @@ function* chainAction<Actions extends {readonly type: string}>(
   })
 }
 
-export const chainAction2: ChainAction = (chainAction as unknown) as any
+export const chainAction2: ChainAction2 = (chainAction2Impl as unknown) as any
 
 function* chainGenerator<
   Actions extends {
@@ -121,13 +118,13 @@ function* chainGenerator<
   }
 >(
   pattern: RS.Pattern,
-  f: (state: TypedState, action: Actions, logger: SagaLogger) => Iterable<any>,
+  f: (state: TypedState, action: Actions, logger: SagaLogger) => Generator<any, any, any>,
   // tag for logger
   fcnTag?: string
-): Iterable<any> {
+): Generator<any, void, any> {
   // @ts-ignore TODO fix
   return yield Effects.takeEvery<Actions>(pattern, function* chainGeneratorHelper(action: Actions) {
-    const sl = new SagaLogger(action.type, fcnTag || 'unknown')
+    const sl = new SagaLogger(action.type as ActionType, fcnTag || 'unknown')
     try {
       const state: TypedState = yield* selectState()
       yield* f(state, action, sl)
@@ -150,23 +147,7 @@ function* chainGenerator<
   })
 }
 
-/***
- * Until TS 3.6 this can't be property typed: https://github.com/Microsoft/TypeScript/issues/2983
- */
-function* callPromise<Args, T>(
-  fn: (...args: Array<Args>) => Promise<T>,
-  ...args: Array<Args>
-): Iterable<any> {
-  // @ts-ignore
-  return yield Effects.call(fn, ...args)
-}
-
-// Used to delegate in a typed way (NOT WITH TS anymore) to what engine saga returns. short term use this but longer term
-// generate generators instead and yield * directly
-function* callRPCs(e: Effects.CallEffect): Iterable<any> {
-  return yield e
-}
-function* selectState(): Iterable<TypedState> {
+function* selectState(): Generator<any, TypedState, void> {
   // @ts-ignore codemod issue
   const state: TypedState = yield Effects.select()
   return state
@@ -200,4 +181,4 @@ export {
   throttle,
 } from 'redux-saga/effects'
 
-export {selectState, put, sequentially, chainGenerator, callPromise, callRPCs}
+export {selectState, put, sequentially, chainGenerator}
diff --git a/shared/yarn.lock b/shared/yarn.lock
index c6f76c9ac73c..3edd9295c3ac 100644
--- a/shared/yarn.lock
+++ b/shared/yarn.lock
@@ -2320,10 +2320,10 @@
   resolved "https://registry.yarnpkg.com/@types/base64-js/-/base64-js-1.2.5.tgz#582b2476169a6cba460a214d476c744441d873d5"
   integrity sha1-WCskdhaabLpGCiFNR2x0REHYc9U=
 
-"@types/classnames@2.2.8":
-  version "2.2.8"
-  resolved "https://registry.yarnpkg.com/@types/classnames/-/classnames-2.2.8.tgz#17139e1e1104203572caa4368f6796f6225b70b4"
-  integrity sha512-3UrLzPnz8u+MMXuJTF++389IfLSQUbl5F3ry9WCxva0BKG5H/oo5NuPRXk+HrpPU1+5pVHSWhnVWRzIaFQ7QuQ==
+"@types/classnames@2.2.9":
+  version "2.2.9"
+  resolved "https://registry.yarnpkg.com/@types/classnames/-/classnames-2.2.9.tgz#d868b6febb02666330410fe7f58f3c4b8258be7b"
+  integrity sha512-MNl+rT5UmZeilaPxAVs6YaPC2m6aA8rofviZbhbxpPpl61uKodfdQVsBtgJGTqGizEf02oW3tsVe7FYB8kK14A==
 
 "@types/emoji-mart@2.8.4":
   version "2.8.4"
@@ -2399,16 +2399,21 @@
   dependencies:
     moment "*"
 
-"@types/mousetrap@1.6.2":
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/@types/mousetrap/-/mousetrap-1.6.2.tgz#5f48bdbd28c8a447167263ae436488f1d8be072d"
-  integrity sha512-m67PUdzoHJGmYJ6Fno4iXocl+azw9cuz8tdUG21M04UzMRUT1YfxPIIIt3lQkXLMGwlGSKXYNGxCOMxKlGegIw==
+"@types/mousetrap@1.6.3":
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/@types/mousetrap/-/mousetrap-1.6.3.tgz#3159a01a2b21c9155a3d8f85588885d725dc987d"
+  integrity sha512-13gmo3M2qVvjQrWNseqM3+cR6S2Ss3grbR2NZltgMq94wOwqJYQdgn8qzwDshzgXqMlSUtyPZjysImmktu22ew==
 
 "@types/node@*":
   version "10.12.15"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.15.tgz#20e85651b62fd86656e57c9c9bc771ab1570bc59"
   integrity sha512-9kROxduaN98QghwwHmxXO2Xz3MaWf+I1sLVAA6KJDF5xix+IyXVhds0MAfdNwtcpSrzhaTsNB0/jnL86fgUhqA==
 
+"@types/node@12.7.3":
+  version "12.7.3"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.3.tgz#27b3f40addaf2f580459fdb405222685542f907a"
+  integrity sha512-3SiLAIBkDWDg6vFo0+5YJyHPWU9uwu40Qe+v+0MH8wRKYBimHvvAOyk3EzMrD/TrIlLYfXrqDqrg913PynrMJQ==
+
 "@types/node@^10.12.18":
   version "10.12.18"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
@@ -2431,10 +2436,10 @@
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.1.tgz#48fd98c1561fe718b61733daed46ff115b496e18"
   integrity sha512-eqz8c/0kwNi/OEHQfvIuJVLTst3in0e7uTKeuY+WL/zfKn0xVujOTp42bS/vUUokhK5P2BppLd9JXMOMHcgbjA==
 
-"@types/react-dom@16.8.4":
-  version "16.8.4"
-  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.8.4.tgz#7fb7ba368857c7aa0f4e4511c4710ca2c5a12a88"
-  integrity sha512-eIRpEW73DCzPIMaNBDP5pPIpK1KXyZwNgfxiVagb5iGiz6da+9A5hslSX6GAQKdO7SayVCS/Fr2kjqprgAvkfA==
+"@types/react-dom@16.9.0":
+  version "16.9.0"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.0.tgz#ba6ddb00bf5de700b0eb91daa452081ffccbfdea"
+  integrity sha512-OL2lk7LYGjxn4b0efW3Pvf2KBVP0y1v3wip1Bp7nA79NkOpElH98q3WdCEdDj93b2b0zaeBG9DvriuKjIK5xDA==
   dependencies:
     "@types/react" "*"
 
@@ -2459,18 +2464,18 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react-native@*", "@types/react-native@0.60.2":
-  version "0.60.2"
-  resolved "https://registry.yarnpkg.com/@types/react-native/-/react-native-0.60.2.tgz#2dca78481a904419c2a5907288dd97d1090c6e3c"
-  integrity sha512-K4+/etirpv52xu24xAc++OdhbD0VQEt0Kq0h6dZrLU82OlA+I7BhpKF3JBvx9tbmrFaZDxhHp8N4TEvRYS4fdQ==
+"@types/react-native@*", "@types/react-native@0.60.9":
+  version "0.60.9"
+  resolved "https://registry.yarnpkg.com/@types/react-native/-/react-native-0.60.9.tgz#89135a6ac9a71a64837e2100dc8dbc7a71b4fe34"
+  integrity sha512-fsceCFV6UQOoQ/DzLS0ya82mZdGmUhMvkkVIq3pjMmxcxR6ENb0noPw6ssE4aVx61J6ukth+MT2PNFgy6eQ9iQ==
   dependencies:
     "@types/prop-types" "*"
     "@types/react" "*"
 
-"@types/react-navigation@3.0.7":
-  version "3.0.7"
-  resolved "https://registry.yarnpkg.com/@types/react-navigation/-/react-navigation-3.0.7.tgz#5d327b00de2bb58203977002c3ea21302da72034"
-  integrity sha512-JFsNeCAQEQGTpObiD1QczDyCyQkFBaQA/F85Fo2W8QML1b6UNYHlUDtEYJA6jcfXqPoL15dVPBVj9NBJlHToqA==
+"@types/react-navigation@3.0.8":
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/@types/react-navigation/-/react-navigation-3.0.8.tgz#770d5217a4795fe8526e2a69cc6ccb8600c911e4"
+  integrity sha512-r8UQvBmOz7XjPE8AHTHh0SThGqModhQtSsntkmob7rczhueJIqDwBOgsEn54SJa25XzD/KBlelAWeVZ7+Ggm8A==
   dependencies:
     "@types/react" "*"
     "@types/react-native" "*"
@@ -2489,25 +2494,25 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react-window@1.8.0":
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/@types/react-window/-/react-window-1.8.0.tgz#0649a855fd20e0541f5bc0079b14ae5e1ba60b93"
-  integrity sha512-+3pDwfns884TPYCCFFQObruGI1cOeVHAJ34KvyyhsFGTgCQtfR6Fhnh5TKdvATeHE2AslnU/dHx+tcfJgbhZ8Q==
+"@types/react-window@1.8.1":
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/@types/react-window/-/react-window-1.8.1.tgz#6e1ceab2e6f2f78dbf1f774ee0e00f1bb0364bb3"
+  integrity sha512-V3k1O5cbfZIRa0VVbQ81Ekq/7w42CK1SuiB9U1oPMTxv270D9qUn7rHb3sZoqMkIJFfB1NZxaH7NRDlk+ToDsg==
   dependencies:
     "@types/react" "*"
 
-"@types/react@*", "@types/react@16.8.22":
-  version "16.8.22"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.8.22.tgz#7f18bf5ea0c1cad73c46b6b1c804a3ce0eec6d54"
-  integrity sha512-C3O1yVqk4sUXqWyx0wlys76eQfhrQhiDhDlHBrjER76lR2S2Agiid/KpOU9oCqj1dISStscz7xXz1Cg8+sCQeA==
+"@types/react@*", "@types/react@16.9.2":
+  version "16.9.2"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.9.2.tgz#6d1765431a1ad1877979013906731aae373de268"
+  integrity sha512-jYP2LWwlh+FTqGd9v7ynUKZzjj98T8x7Yclz479QdRhHfuW9yQ+0jjnD31eXSXutmBpppj5PYNLYLRfnZJvcfg==
   dependencies:
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
-"@types/recompose@0.30.6":
-  version "0.30.6"
-  resolved "https://registry.yarnpkg.com/@types/recompose/-/recompose-0.30.6.tgz#f6ffae2008b84df916ed6633751f9287f344ea3e"
-  integrity sha512-A9c880h07JMrvVe+PwyjVihrQRyKWp4/GFjfA9YE4NgxdEuQD74gSdDhInhUNctO/dkCcR66rexEXevzBy85cQ==
+"@types/recompose@0.30.7":
+  version "0.30.7"
+  resolved "https://registry.yarnpkg.com/@types/recompose/-/recompose-0.30.7.tgz#0d47f3da3bdf889a4f36d4ca7531fac1eee1c6bd"
+  integrity sha512-kEvD7XMguXgG7jJJS//cE1QTbkFj2qDtIPAg1FvXxE8D6jD1C0WabJjT7cVitC7TK0N5I3yp2955hqNFFZV0wg==
   dependencies:
     "@types/react" "*"
 
@@ -2536,10 +2541,10 @@
   resolved "https://registry.yarnpkg.com/@types/url-parse/-/url-parse-1.4.3.tgz#fba49d90f834951cb000a674efee3d6f20968329"
   integrity sha512-4kHAkbV/OfW2kb5BLVUuUMoumB3CP8rHqlw48aHvFy5tf9ER0AfOonBlX29l/DD68G70DmyhRlSYfQPSYpC5Vw==
 
-"@types/uuid@3.4.4":
-  version "3.4.4"
-  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-3.4.4.tgz#7af69360fa65ef0decb41fd150bf4ca5c0cefdf5"
-  integrity sha512-tPIgT0GUmdJQNSHxp0X2jnpQfBSTfGxUMc/2CXBU2mnyTFVYVa2ojpoQ74w0U2yn2vw3jnC640+77lkFFpdVDw==
+"@types/uuid@3.4.5":
+  version "3.4.5"
+  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-3.4.5.tgz#d4dc10785b497a1474eae0ba7f0cb09c0ddfd6eb"
+  integrity sha512-MNL15wC3EKyw1VLF+RoVO4hJJdk9t/Hlv3rt1OL65Qvuadm4BYo6g9ZJQqoq7X8NBFSsQXgAujWciovh2lpVjA==
   dependencies:
     "@types/node" "*"
 
@@ -2560,10 +2565,10 @@
     "@types/unist" "*"
     "@types/vfile-message" "*"
 
-"@types/webpack-env@1.13.9":
-  version "1.13.9"
-  resolved "https://registry.yarnpkg.com/@types/webpack-env/-/webpack-env-1.13.9.tgz#a67287861c928ebf4159a908d1fb1a2a34d4097a"
-  integrity sha512-p8zp5xqkly3g4cCmo2mKOHI9+Z/kObmDj0BmjbDDJQlgDTiEGTbm17MEwTAusV6XceCy+bNw9q/ZHXHyKo3zkg==
+"@types/webpack-env@1.14.0":
+  version "1.14.0"
+  resolved "https://registry.yarnpkg.com/@types/webpack-env/-/webpack-env-1.14.0.tgz#8edfc5f8e6eae20eeed3ca0d02974ed4ee5e4efc"
+  integrity sha512-Fv+0gYJzE/czLoRKq+gnXWr4yBpPM3tO3C8pDLFwqVKlMICQUq5OsxwwFZYDaVr7+L6mgNDp16iOcJHEz3J5RQ==
 
 "@types/whatwg-url@6.4.0":
   version "6.4.0"
@@ -16026,10 +16031,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.5.3:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
-  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
+typescript@3.6.3:
+  version "3.6.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.3.tgz#fea942fabb20f7e1ca7164ff626f1a9f3f70b4da"
+  integrity sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==
 
 ua-parser-js@^0.7.18, ua-parser-js@^0.7.19:
   version "0.7.19"