class AppearancePrefs;
class TimeFormatHMS;
class TimeFormatHMSF;
+class TimeFormatTimecode;
class TimeFormatSamples;
class TimeFormatFrames;
class TimeFormatHex;
class GrabFocusPolicy;
class ActivateFocusPolicy;
class DeactivateFocusPolicy;
+class AutoRotate;
class ForwardRenderDisplacement;
class HighlightInverseColor;
class YuvColorSpace;
class YuvColorRangeItem;
class PerpetualSession;
class Composer_BG_Color;
+class LayoutLocale;
#endif