@class NSString, MRRequestDetails; @interface MRSetVolumeMessage : MRProtocolMessage @property (readonly, nonatomic) NSString *outputDeviceUID; @property (readonly, nonatomic) float volume; @property (readonly, nonatomic) MRRequestDetails *details; - (id)initWithVolume:(float)a0; - (unsigned long long)type; - (id)initWithVolume:(float)a0 outputDeviceUID:(id)a1 details:(id)a2; @end