@class MRAudioBuffer; @interface MRMutableAudioDataBlock : MRAudioDataBlock @property (retain, nonatomic) MRAudioBuffer *buffer; @property (nonatomic) struct { double x0; double x1; } time; @property (nonatomic) float gain; - (void)setTime:(struct { double x0; double x1; })a0; - (void)setGain:(float)a0; - (void)setBuffer:(id)a0; @end