Utility methods related to stages.
| GetCurrentStageHandle | Get the current stage being edited. |
| GetMainStageHandle | Get the main stage which contains all the currently open regular Scenes. |
| GetStageHandle | Get the stage in which the given GameObject exists. |
| GoBackToPreviousStage | Navigate the Editor to the previous stage. |
| GoToMainStage | Navigate the Editor to the main stage. |
| IsGameObjectRenderedByCamera | Is the given GameObject rendered by the given Camera? |
| PlaceGameObjectInCurrentStage | Place the given GameObject in the current stage being edited. |