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