diff --git a/package.json b/package.json
index 5d3fd8a..b66d989 100644
--- a/package.json
+++ b/package.json
@@ -6,11 +6,12 @@
   "bugs": "https://github.com/heroku/cli-engine-config/issues",
   "dependencies": {},
   "devDependencies": {
-    "@cli-engine/util": "^1.0.9",
-    "@heroku-cli/tslint": "^1.0.3",
-    "@types/jest": "22.0.0",
+    "@cli-engine/util": "^1.1.5",
+    "@heroku-cli/tslint": "^1.1.4",
+    "@types/jest": "22.0.1",
     "@types/mock-fs": "^3.6.30",
-    "@types/node": "8.5.2",
+    "@types/node": "9.3.0",
+    "@types/read-pkg": "^3.0.0",
     "@types/semver": "^5.4.0",
     "ajv-cli": "^2.1.0",
     "cli-flags": "2.0.7",
@@ -19,7 +20,8 @@
     "jest": "^22.0.4",
     "mock-fs": "^4.4.2",
     "prettier": "^1.9.2",
-    "ts-jest": "22.0.0",
+    "rxjs": "^5.5.6",
+    "ts-jest": "22.0.1",
     "tslib": "^1.8.1",
     "tslint": "^5.8.0",
     "typescript": "2.6.2"
diff --git a/src/config.ts b/src/config.ts
index a34c6f4..13405d2 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -2,11 +2,13 @@ import * as os from 'os'
 import * as path from 'path'
 import {deprecate, inspect} from 'util'
 
+import {IEngine} from './engine'
 import * as Types from './types'
 
 export * from './types'
 
 export class Config {
+  readonly engine: IEngine
   _version = require('../package.json').version
 
   constructor (protected opts: Types.ConfigOptions = {}) {
@@ -57,7 +59,7 @@ export class Config {
       name: 'cli-engine',
       version: '0.0.0',
       ...(this.opts.pjson || {}),
-    }
+    } as Types.ICLIPJSON
   }
 
   @memoize()
diff --git a/src/engine.ts b/src/engine.ts
new file mode 100644
index 0000000..eb68fe9
--- /dev/null
+++ b/src/engine.ts
@@ -0,0 +1,39 @@
+import { Observable } from 'rxjs/Observable'
+
+import { Hooks } from './hooks'
+import { ICommand, IPlugin, ITopic } from './types'
+
+export interface IUserPluginInstallOpts {
+  type: 'user'
+  name: string
+  tag?: string
+}
+export interface ILinkPluginInstallOpts {
+  type: 'link'
+  root: string
+}
+
+export interface IPluginManager {
+  readonly plugins: Observable<IPlugin>
+
+  install(opts: IUserPluginInstallOpts | ILinkPluginInstallOpts): Promise<void>
+  uninstall(name: string): Promise<boolean>
+  update(): Promise<void>
+}
+
+export interface IEngine extends ICommand {
+  readonly hooks: Hooks
+  readonly plugins: IPluginManager
+
+  readonly topics: Promise<ITopic[]>
+  readonly commands: Promise<ICommand[]>
+  readonly commandIDs: Promise<string[]>
+  readonly rootTopics: Promise<ITopic[]>
+  readonly rootCommands: Promise<ICommand[]>
+
+  findCommand(id: string, must: true): Promise<ICommand>
+  findCommand(id: string, must?: boolean): Promise<ICommand | undefined>
+
+  findTopic(id: string, must: true): Promise<ITopic>
+  findTopic(id: string, must?: boolean): Promise<ITopic | undefined>
+}
diff --git a/src/hooks.ts b/src/hooks.ts
new file mode 100644
index 0000000..84f1700
--- /dev/null
+++ b/src/hooks.ts
@@ -0,0 +1,25 @@
+import Config from './config'
+import { ICommand, IPluginModule, IPluginPJSON } from './types'
+
+export interface IHooks {
+  init: {}
+  update: {}
+  'plugins:parse': {
+    module: IPluginModule
+    pjson: IPluginPJSON
+  }
+  prerun: {
+    Command: ICommand
+    argv: string[]
+  }
+}
+
+export abstract class Hook<T extends keyof IHooks> {
+  protected readonly debug = require('debug')(`cli:hook:${this.options.event}`)
+  constructor(protected config: Config, protected options: IHooks[T] & { event: T }) {}
+  public abstract run(): Promise<void>
+}
+
+export interface Hooks {
+  run<T extends keyof IHooks>(event: T, options?: IHooks[T]): Promise<void>
+}
diff --git a/src/types.ts b/src/types.ts
index 20df345..524faa9 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,11 +1,35 @@
 import { args, flags } from 'cli-flags'
+import { Package } from 'read-pkg'
 
 import { Config } from './config'
 
+export * from './hooks'
+export * from './engine'
+
+export interface IPluginModuleTopic {
+  name: string
+  description?: string
+  subtopics?: { [k: string]: IPluginModuleTopic }
+  hidden?: boolean
+}
+export interface IPluginModule {
+  commands: ICommand[]
+  topic?: IPluginModuleTopic
+  topics: IPluginModuleTopic[]
+}
+export interface IPluginPJSON extends Package {
+  name: string
+  version: string
+  'cli-engine': {
+    commands?: string
+    topics?: { [k: string]: ITopic }
+  }
+}
 export interface ITopics {
   [name: string]: ITopic
 }
 export interface ITopic {
+  name: string
   description?: string
   hidden?: boolean
   subtopics?: ITopics
@@ -30,7 +54,7 @@ export interface ICLI {
   userPluginsEnabled?: boolean
 }
 
-export interface ICLIPJSON {
+export interface ICLIPJSON extends Package {
   name: string
   version: string
   dependencies: { [name: string]: string }
@@ -60,21 +84,13 @@ export interface IPlugin {
 }
 
 export interface ICommand {
-  topic?: string
-  command?: string
-  description?: string
+  id?: string
   hidden: boolean
-  usage?: string
-  help?: string
-  _version: string
-  id: string
+  base: '@cli-engine/command@1.0.0'
   aliases: string[]
-  buildHelp: (config: Config) => string
-  buildHelpLine: (config: Config) => [string, string | undefined]
-  args?: args.IArg[]
-  flags?: flags.Input
+  help: (config: Config) => string
+  helpLine: (config: Config) => [string, string | undefined]
   run: (argv: string[], config: Config) => Promise<any>
-  plugin?: IPlugin
 }
 
 export type PlatformTypes = 'darwin' | 'linux' | 'win32' | 'aix' | 'freebsd' | 'openbsd' | 'sunos'
diff --git a/yarn.lock b/yarn.lock
index 6cb22d3..d64ecbc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10,53 +10,63 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@cli-engine/command@^12.0.3":
-  version "12.0.3"
-  resolved "https://registry.yarnpkg.com/@cli-engine/command/-/command-12.0.3.tgz#4bf3c0a9d126ee6c412e26b3404a353c7db7401b"
+"@cli-engine/command@^12.1.0":
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/@cli-engine/command/-/command-12.1.0.tgz#86300ad3c7f51b1c539f9c7b998204f52016e0a7"
   dependencies:
     "@cli-engine/screen" "^0.0.0"
     chalk "^2.3.0"
-    cli-flags "^2.0.6"
+    cli-flags "^2.0.7"
 
-"@cli-engine/config@^5.0.10":
-  version "5.0.10"
-  resolved "https://registry.yarnpkg.com/@cli-engine/config/-/config-5.0.10.tgz#f8420b9c4cd44e4feafeb90165d9557168bb484c"
+"@cli-engine/config@^5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@cli-engine/config/-/config-5.1.0.tgz#d8ac7122317bc505dc09e7fd778777602d6b7568"
 
-"@cli-engine/engine@^6.1.9":
-  version "6.1.9"
-  resolved "https://registry.yarnpkg.com/@cli-engine/engine/-/engine-6.1.9.tgz#9937edd007225a4f219fe8bab60673ead9340eb4"
+"@cli-engine/engine@^6.1.30":
+  version "6.1.30"
+  resolved "https://registry.yarnpkg.com/@cli-engine/engine/-/engine-6.1.30.tgz#0a3f15bb6a68d3fe191dd42dba1ec8c4c86a6ecd"
   dependencies:
-    "@heroku-cli/color" "^1.0.4"
+    "@heroku-cli/color" "^1.1.1"
     assync "^1.0.4"
-    cli-ux "^2.0.17"
+    cli-ux "^2.0.21"
+    cross-spawn "^5.1.0"
     debug "^3.1.0"
+    filesize "^3.5.11"
     fs-extra "^5.0.0"
+    globby "^7.1.1"
     graceful-fs "^4.1.11"
-    http-call "^4.0.6"
+    http-call "^4.0.8"
     klaw "^2.1.1"
     log-chopper "^1.0.2"
     moment "^2.20.1"
-    rwlockfile "^1.4.12"
+    rwlockfile "^2.0.17"
     semver "5.4.1"
     string-similarity "^1.2.0"
     strip-ansi "4.0.0"
-    ts-lodash "4.0.8"
+    ts-lodash "4.0.9"
+    yarn "^1.3.2"
 
 "@cli-engine/screen@^0.0.0":
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/@cli-engine/screen/-/screen-0.0.0.tgz#c2e847c7d4d998490c9097282bf21637d5162116"
 
-"@cli-engine/util@^1.0.9":
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/@cli-engine/util/-/util-1.0.9.tgz#f97b94083a9700a7e6af1b4561afe0b87f9ed87e"
+"@cli-engine/util@^1.1.5":
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/@cli-engine/util/-/util-1.1.5.tgz#6bb79740d00bc234446a87cae371b2cede3bd0c3"
   dependencies:
-    "@cli-engine/command" "^12.0.3"
-    "@cli-engine/config" "^5.0.10"
-    "@cli-engine/engine" "^6.1.9"
-    cli-ux "^2.0.17"
+    "@cli-engine/command" "^12.1.0"
+    "@cli-engine/config" "^5.1.0"
+    "@cli-engine/engine" "^6.1.30"
+    "@heroku-cli/color" "^1.1.1"
+    cli-ux "^2.0.21"
     cross-spawn "^5.1.0"
     del "^3.0.0"
+    execa "^0.8.0"
     fs-extra "^5.0.0"
+    handlebars "^4.0.11"
+    jest-diff "^22.0.3"
+    read-pkg-up "^3.0.0"
+    ts-lodash "^4.0.10"
     tslib "^1.8.1"
 
 "@heroku-cli/color@^1.0.4":
@@ -67,19 +77,29 @@
     chalk "^2.3.0"
     supports-color "^5.1.0"
 
-"@heroku-cli/tslint@^1.0.3":
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/@heroku-cli/tslint/-/tslint-1.0.3.tgz#a7258f8a365ea2d0e9199b73328f913bf2656443"
+"@heroku-cli/color@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@heroku-cli/color/-/color-1.1.1.tgz#a2c25239ff1196733a79cabc7a750cd46b96dc30"
+  dependencies:
+    ansi-styles "^3.2.0"
+    chalk "^2.3.0"
+    strip-ansi "^4.0.0"
+    supports-color "^5.1.0"
+
+"@heroku-cli/tslint@^1.1.4":
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/@heroku-cli/tslint/-/tslint-1.1.4.tgz#32f75496df3e3ecd7e14716c4250302025c7840f"
   dependencies:
+    tslint "^5.8.0"
     tslint-config-prettier "*"
 
 "@heroku/linewrap@^1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@heroku/linewrap/-/linewrap-1.0.0.tgz#a9d4e99f0a3e423a899b775f5f3d6747a1ff15c6"
 
-"@types/jest@22.0.0":
-  version "22.0.0"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-22.0.0.tgz#23009941178aad7979a9591e026f7a96054d7bc0"
+"@types/jest@22.0.1":
+  version "22.0.1"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-22.0.1.tgz#6370a6d60cce3845e4cd5d00bf65f654264685bc"
 
 "@types/mock-fs@^3.6.30":
   version "3.6.30"
@@ -87,10 +107,24 @@
   dependencies:
     "@types/node" "*"
 
-"@types/node@*", "@types/node@8.5.2":
+"@types/node@*":
   version "8.5.2"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.2.tgz#83b8103fa9a2c2e83d78f701a9aa7c9539739aa5"
 
+"@types/node@9.3.0":
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.3.0.tgz#3a129cda7c4e5df2409702626892cb4b96546dd5"
+
+"@types/normalize-package-data@*":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
+
+"@types/read-pkg@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/read-pkg/-/read-pkg-3.0.0.tgz#17ab6f0b396a58a5567ee387f558f2caedc8ae53"
+  dependencies:
+    "@types/normalize-package-data" "*"
+
 "@types/semver@^5.4.0":
   version "5.4.0"
   resolved "https://registry.yarnpkg.com/@types/semver/-/semver-5.4.0.tgz#f3658535af7f1f502acd6da7daf405ffeb1f7ee4"
@@ -621,7 +655,7 @@ ci-info@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.2.tgz#03561259db48d0474c8bdc90f5b47b068b6bbfb4"
 
-cli-flags@2.0.7:
+cli-flags@2.0.7, cli-flags@^2.0.7:
   version "2.0.7"
   resolved "https://registry.yarnpkg.com/cli-flags/-/cli-flags-2.0.7.tgz#215b3f8d911142c3e4833eaf7f2f96ab97fd22cf"
   dependencies:
@@ -629,17 +663,9 @@ cli-flags@2.0.7:
     "@heroku/linewrap" "^1.0.0"
     ts-lodash "^4.0.8"
 
-cli-flags@^2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/cli-flags/-/cli-flags-2.0.6.tgz#2fd0a355f22c3c829f8dc079a446b4b13f5d80a0"
-  dependencies:
-    "@cli-engine/screen" "^0.0.0"
-    "@heroku/linewrap" "^1.0.0"
-    ts-lodash "^4.0.8"
-
-cli-ux@^2.0.17:
-  version "2.0.17"
-  resolved "https://registry.yarnpkg.com/cli-ux/-/cli-ux-2.0.17.tgz#8e510cf169f6ad5ea70ca7a430d166a9b6b33ddf"
+cli-ux@^2.0.21:
+  version "2.0.21"
+  resolved "https://registry.yarnpkg.com/cli-ux/-/cli-ux-2.0.21.tgz#a7231097af95356e79f5d6a380f04be889703083"
   dependencies:
     "@cli-engine/screen" "^0.0.0"
     "@heroku-cli/color" "^1.0.4"
@@ -860,6 +886,13 @@ diff@^3.2.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
 
+dir-glob@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-2.0.0.tgz#0b205d2b6aef98238ca286598a8204d29d0a0034"
+  dependencies:
+    arrify "^1.0.1"
+    path-type "^3.0.0"
+
 domexception@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.0.tgz#81fe5df81b3f057052cde3a9fa9bf536a85b9ab0"
@@ -884,7 +917,7 @@ editorconfig@^0.13.2:
     semver "^5.1.0"
     sigmund "^1.0.1"
 
-error-ex@^1.2.0:
+error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
   dependencies:
@@ -961,6 +994,18 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+execa@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.8.0.tgz#d8d76bbc1b55217ed190fd6dd49d3c774ecfc8da"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -1035,6 +1080,10 @@ fileset@^2.0.2:
     glob "^7.0.3"
     minimatch "^3.0.3"
 
+filesize@^3.5.11:
+  version "3.5.11"
+  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.5.11.tgz#1919326749433bb3cf77368bd158caabcc19e9ee"
+
 fill-range@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
@@ -1056,7 +1105,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.1.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -1215,6 +1264,17 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globby@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-7.1.1.tgz#fb2ccff9401f8600945dfada97440cca972b8680"
+  dependencies:
+    array-union "^1.0.1"
+    dir-glob "^2.0.0"
+    glob "^7.1.2"
+    ignore "^3.3.5"
+    pify "^3.0.0"
+    slash "^1.0.0"
+
 graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -1223,7 +1283,7 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
-handlebars@^4.0.3:
+handlebars@^4.0.11, handlebars@^4.0.3:
   version "4.0.11"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
   dependencies:
@@ -1322,9 +1382,9 @@ html-encoding-sniffer@^1.0.1:
   dependencies:
     whatwg-encoding "^1.0.1"
 
-http-call@^4.0.6:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/http-call/-/http-call-4.0.6.tgz#d6160b89736be792a94f125ea86dd61103903e91"
+http-call@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/http-call/-/http-call-4.0.8.tgz#fd0207764958a3f1238bb3344ff912b32ddfa64a"
   dependencies:
     content-type "^1.0.4"
     debug "^3.1.0"
@@ -1361,6 +1421,10 @@ iconv-lite@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+ignore@^3.3.5:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -1500,6 +1564,12 @@ is-primitive@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
 
+is-process-active@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-process-active/-/is-process-active-1.0.1.tgz#63616541f447d84b71783cb2002360cf7e690b4f"
+  dependencies:
+    debug "^3.1.0"
+
 is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
@@ -1910,6 +1980,10 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
+json-parse-better-errors@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.1.tgz#50183cd1b2d25275de069e9e71b467ac9eab973a"
+
 json-schema-migrate@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/json-schema-migrate/-/json-schema-migrate-0.2.0.tgz#ba47a5b0072fc72396460e1bd60b44d52178bbc6"
@@ -2010,6 +2084,15 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
+load-json-file@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+    strip-bom "^3.0.0"
+
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -2342,6 +2425,13 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
+  dependencies:
+    error-ex "^1.3.1"
+    json-parse-better-errors "^1.0.1"
+
 parse5@^3.0.2:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-3.0.3.tgz#042f792ffdd36851551cf4e9e066b3874ab45b5c"
@@ -2389,6 +2479,12 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+path-type@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
+  dependencies:
+    pify "^3.0.0"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -2499,6 +2595,13 @@ read-pkg-up@^1.0.1:
     find-up "^1.0.0"
     read-pkg "^1.0.0"
 
+read-pkg-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
+  dependencies:
+    find-up "^2.0.0"
+    read-pkg "^3.0.0"
+
 read-pkg@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -2507,6 +2610,14 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
+read-pkg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
+  dependencies:
+    load-json-file "^4.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^3.0.0"
+
 readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
@@ -2670,11 +2781,20 @@ rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
-rwlockfile@^1.4.12:
-  version "1.4.12"
-  resolved "https://registry.yarnpkg.com/rwlockfile/-/rwlockfile-1.4.12.tgz#40cef17c915207c4315c1f535a006e0d1556bcd8"
+rwlockfile@^2.0.17:
+  version "2.0.19"
+  resolved "https://registry.yarnpkg.com/rwlockfile/-/rwlockfile-2.0.19.tgz#33c9b06521db6646548aca8d9cc754685ae6fa6e"
   dependencies:
     fs-extra "^5.0.0"
+    is-process-active "^1.0.1"
+    tslib "^1.8.1"
+    uuid "^3.1.0"
+
+rxjs@^5.5.6:
+  version "5.5.6"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.5.6.tgz#e31fb96d6fd2ff1fd84bcea8ae9c02d007179c02"
+  dependencies:
+    symbol-observable "1.0.1"
 
 safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
@@ -2873,7 +2993,7 @@ strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   dependencies:
     ansi-regex "^2.0.0"
 
-strip-bom@3.0.0:
+strip-bom@3.0.0, strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
@@ -2923,6 +3043,10 @@ supports-color@^5.1.0:
   dependencies:
     has-flag "^2.0.0"
 
+symbol-observable@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
+
 symbol-tree@^3.2.1:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
@@ -2986,9 +3110,9 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-jest@22.0.0:
-  version "22.0.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.0.tgz#cce1a5f1106150ca002d09f7e85913355ceb5e8d"
+ts-jest@22.0.1:
+  version "22.0.1"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.0.1.tgz#48942936a466c2e76e259b02e2f1356f1839afc3"
   dependencies:
     babel-core "^6.24.1"
     babel-plugin-istanbul "^4.1.4"
@@ -3001,7 +3125,19 @@ ts-jest@22.0.0:
     source-map-support "^0.5.0"
     yargs "^10.0.3"
 
-ts-lodash@4.0.8, ts-lodash@^4.0.8:
+ts-lodash@4.0.9:
+  version "4.0.9"
+  resolved "https://registry.yarnpkg.com/ts-lodash/-/ts-lodash-4.0.9.tgz#088d7ceefbf36c8c4bcdf28372249015ccafd429"
+  dependencies:
+    lodash "^4.17.4"
+
+ts-lodash@^4.0.10:
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/ts-lodash/-/ts-lodash-4.0.11.tgz#f668e2ad4b6cb3bcbeceb894cf0a8cde48b3cd85"
+  dependencies:
+    lodash "^4.17.4"
+
+ts-lodash@^4.0.8:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/ts-lodash/-/ts-lodash-4.0.8.tgz#4f424e687f9c89a3dcf1473779a251f134170f6a"
   dependencies:
@@ -3240,3 +3376,7 @@ yargs@~3.10.0:
     cliui "^2.1.0"
     decamelize "^1.0.0"
     window-size "0.1.0"
+
+yarn@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.3.2.tgz#5939762581b5b4ddcd3418c0f6be42df3aee195f"