Run-time data structure for *.unity file.
| buildIndex | Returns the index of the scene in the Build Settings. Always returns -1 if the scene was loaded through an AssetBundle. | 
| isDirty | Returns true if the scene is modifed. | 
| isLoaded | Returns true if the scene is loaded. | 
| name | Returns the name of the scene. | 
| 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. |