syntax = "proto2";

import "pyatv/mrp/protobuf/ProtocolMessage.proto";

extend ProtocolMessage {
  optional VolumeControlAvailabilityMessage volumeControlAvailabilityMessage = 22;
}

message VolumeControlAvailabilityMessage {
  optional bool volumeControlAvailable = 1;
  optional int32 volumeCapabilities = 2;
}