class FWaveformEditor : public [FAssetEditorToolkit](API\Editor\UnrealEd\Toolkits\FAssetEditorToolkit), public [FEditorUndoClient](API\Editor\UnrealEd\FEditorUndoClient), public [FGCObject](API\Runtime\CoreUObject\UObject\FGCObject), public [FNotifyHook](API\Runtime\CoreUObject\Misc\FNotifyHook)