public FindNodeResult <string> FindNode(string key, NodeIdentifier <string> callerIdentifier)
        {
            var inValue = new FindNodeRequest();

            inValue.key = key;
            inValue.callerIdentifier = callerIdentifier;
            FindNodeResponse retVal = ((IReverseIndexServiceContract)(this)).FindNode(inValue);

            return(retVal.FindNodeResult);
        }
 FindNodeResponse IReverseIndexServiceContract.FindNode(FindNodeRequest request)
 {
     return(base.Channel.FindNode(request));
 }