Provides methods to add menu items to the Scene view context menu.
| AddClipboardEntriesTo | Adds clipboard operations to the Scene view context menu. | 
| AddComponentEntriesTo | Adds the component menu items of the current selection to the Scene view context menu. | 
| AddGameObjectEntriesTo | Adds the default actions for a GameObject and the component menu items of the current selection to the Scene view context menu. | 
| AddMenuItem | Add a MenuItem to the Scene view context menu. | 
| AddMenuItemsForType | Adds all MenuItem of a specific type to the Scene view context menu. | 
| AddMenuItemWithContext | Adds a MenuItem to the Scene view context menu. |