直接已知子类:

AnimationGO, AnimationGroup, AnimationManager, ColorDictionary, Colors, DownloadManager, FacilityAnalyst3D, GeoStyle3D, ImportSetting, JoinItem, MapOverlapDisplayedOptions, Resources, Route, RouteStop, SceneServicesList, Selection3D, Sightline, SnapSetting, SpatialIndexInfo, Symbol, SymbolGroup, SymbolLibrary, SymbolLineBase, SymbolMarkerStroke, TextPart3D, ThemeGraphItem, TINOperation, Transformation, TransportationAnalyst3D, TransportationAnalystParameter3D, TransportationAnalystResult3D

public abstract class InternalHandleDisposable
extends InternalHandle