private static extern void MRRemoteManagerDisconnectConnectedRemote(string identifier, MRErrorCallback callback);
 private static extern void MRRemoteRefresh(string identifier, string remoteIdentifier, MRConnectedRemoteCallback callback, MRErrorCallback errorCallback);
 private static extern void MRRemoteManagerStartRemoteDiscovery(string identifier, MRDiscoveredRemoteCallback callback, MRErrorCallback errorCallback);