• ChannelCompression : vrpn_Imager_Channel
• ConstraintGeometry : vrpn_ForceDevice
• FGError : vrpn_FunctionGenerator
• FlipState : vrpn_Tracker_WiimoteHead
• FunctionCode : vrpn_FunctionGenerator_function
• state : vrpn_Mutex_Remote , vrpn_Mutex_Server , vrpn_PeerMutex