@class NSArray, AVPlaybackSpeed; @protocol AVPlaybackSpeedCollectionDelegate; @interface AVPlaybackSpeedCollection : NSObject { id<AVPlaybackSpeedCollectionDelegate> _delegate; NSArray *_speeds; AVPlaybackSpeed *_activeSpeed; } @property (readonly, nonatomic) NSArray *speeds; @property (readonly, nonatomic) AVPlaybackSpeed *selectedSpeed; + (id)keyPathsForValuesAffectingSelectedSpeed; + (id)defaultSpeedFromList:(id)a0; + (id)keyPathsForValuesAffectingDisplaySpeeds; + (id)collectionWithSpeeds:(id)a0; - (id)delegate; - (void)selectSpeed:(id)a0; - (id)internalDescription; - (void)selectNextPlaybackSpeed:(id)a0; - (id)displaySpeeds; - (id)activeSpeed; - (id)description; - (void).cxx_destruct; - (id)_initInternalWithSpeeds:(id)a0; - (id)debugDescription; - (void)setActiveSpeed:(id)a0; - (void)setDelegate:(id)a0; @end