@interface MXDuckingSource : NSObject @property (readonly, nonatomic) unsigned int type; @property (readonly, nonatomic) unsigned long long ID; @property (nonatomic) float duckVolume; @property (nonatomic) float duckFadeDuration; - (void)dealloc; - (id)initWithType:(unsigned int)a0 ID:(unsigned long long)a1 duckVolume:(float)a2 duckFadeDuration:(float)a3; @end