/// <summary>Initializes a new instance of <see cref="CommunicationRelayClient"/> for mocking.</summary>
 protected CommunicationRelayClient()
 {
     _clientDiagnostics = null;
     RestClient         = null;
 }
 private CommunicationRelayClient(string endpoint, HttpPipeline httpPipeline, CommunicationRelayClientOptions options)
 {
     _clientDiagnostics = new ClientDiagnostics(options);
     RestClient         = new CommunicationNetworkTraversalRestClient(_clientDiagnostics, httpPipeline, endpoint, options.ApiVersion);
 }