Returns whether the object can be processed by the controller
Clean the controller
Calls by the SceneLoader before the loading starts
Optionalsignal: AbortSignalSignal aborted when the loading is stopped
Returns whether the object should be added to the scene
Base class used by the SceneLoader to customize how imported 3D objects are filtered, resolved and updated while a scene loads. Subclass and override its methods to hook into the import pipeline.