@class NSString, MRRequestDetails; @interface MRAdjustVolumeMessage : MRProtocolMessage @property (readonly, nonatomic) long long adjustment; @property (readonly, nonatomic) NSString *outputDeviceUID; @property (readonly, nonatomic) MRRequestDetails *details; - (unsigned long long)type; - (id)initWithAdjustment:(long long)a0 outputDeviceUID:(id)a1 details:(id)a2; @end