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|MACaptionAppearance||Class that contains static methods and fields for accessing and controlling information about the appearance and language of accessibility features on the device.|
|MACaptionAppearanceBehavior||Enumerates values that indicate whether to override a setting with the value that is supplied by the media, if present.|
|MACaptionAppearanceDisplayType||Enumerates values that indicate whether to display captions only for translation, always, or only if an audio track language differs from the system.|
|MACaptionAppearanceDomain||Enumerates values that indicate whether to use the system's or the user's caption appearance settings.|
|MACaptionAppearanceFontStyle||Enumerated values that control the font for the captions.|
|MACaptionAppearanceTextEdgeStyle||Enumerates values that indicate whether to raise caption text, use drop shadows on them, or etc.|