internal ClientAuthenticationSink(IClientChannelSink next, ClientAuthenticationHelper authHelper)
 {
     nextSink = next;
     this.authHelper = authHelper;
 }
 internal ClientAuthenticationSink(IClientChannelSink next, ClientAuthenticationHelper authHelper)
 {
     nextSink        = next;
     this.authHelper = authHelper;
 }
 public ClientAuthenticationSinkProvider(string username, string password)
 {
     authHelper = new ClientAuthenticationHelper(username, password);
 }
 public ClientAuthenticationSinkProvider(string username, string password)
 {
     authHelper = new ClientAuthenticationHelper(username, password);
 }