Not working in Unity 2019.4.40 LTS

[paulorenanmelo]

Error when importing package, not compiling.

Library\PackageCache\com.e7.notch-solution@35d64dd\Editor\Simulator\NotchSimulator.cs(433,55): error CS0246: The type or namespace name 'PrefabStage' could not be found (are you missing a using directive or an assembly reference?)

[sdalexandre]

The breaking changes:
2bb581e

I have solved the error by readding the following line:
using UnityEditor.Experimental.SceneManagement;