@class NSString; @interface MRVolumeControlCapabilitiesDidChangeMessage : MRProtocolMessage @property (readonly, nonatomic) unsigned int capabilities; @property (readonly, nonatomic) NSString *endpointUID; @property (readonly, nonatomic) NSString *outputDeviceUID; - (unsigned long long)type; - (id)initWithCapabilities:(unsigned int)a0 endpointUID:(id)a1 outputDeviceUID:(id)a2; @end