@interface MPVocalsControlCommand : MPRemoteCommand @property (nonatomic) BOOL vocalsControlActive; @property (nonatomic) float vocalsLevel; @property (nonatomic) float minVocalsLevel; @property (nonatomic) float maxVocalsLevel; @property (nonatomic, getter=isContinuous) BOOL continuous; - (id)_mediaRemoteCommandInfoOptions; @end