StateVars {
  A_ARG_TYPE_MemberID
  A_ARG_TYPE_TransportSettings
  A_ARG_TYPE_AVTransportURI
  A_ARG_TYPE_BufferingResultCode
  A_ARG_TYPE_BootSeq
  GroupCoordinatorIsLocal
  LocalGroupUUID
  VirtualLineInGroupID
  SourceAreaIds
  ResetVolumeAfter
  VolumeAVTransportURI
}

Actions {
  AddMember(MemberID: String, BootSeq: ui4) -> (CurrentTransportSettings: String, CurrentURI: String, GroupUUIDJoined: String, ResetVolumeAfter: Boolean, VolumeAVTransportURI: String)
  RemoveMember(MemberID: String)
  ReportTrackBufferingResult(MemberID: String, ResultCode: i4)
  SetSourceAreaIds(DesiredSourceAreaIds: String)
}