Run-time data structure for *.unity file.
| buildIndex | Return the index of the Scene in the Build Settings. | 
| isDirty | Returns true if the Scene is modifed. | 
| isLoaded | Returns true if the Scene is loaded. | 
| name | Returns the name of the Scene that is currently active in the game or app. | 
| path | Returns the relative path of the Scene. Like: "Assets/MyScenes/MyScene.unity". | 
| rootCount | The number of root transforms of this Scene. | 
| GetRootGameObjects | Returns all the root game objects in the Scene. | 
| IsValid | Whether this is a valid Scene. A Scene may be invalid if, for example, you tried to open a Scene that does not exist. In this case, the Scene returned from EditorSceneManager.OpenScene would return False for IsValid. | 
| operator != | Returns true if the Scenes are different. | 
| operator == | Returns true if the Scenes are equal. |