Optionalmanager: LoadingManagerStaticDEFAULT_OptionalonLoad: ((data: Object3D<Object3DEventMap>) => void)OptionalonProgress: ((event: ProgressEvent<EventTarget>) => void)OptionalonError: ((err: unknown) => void)OptionalonProgress: ((event: ProgressEvent<EventTarget>) => void)OptionalonLoad: ((object: Object3D<Object3DEventMap>) => void)
Base class for implementing loaders.