/// <remarks/>
 public void AuthenticateUserAsync(AuthenticateUserRequest AuthenticateUserRequest, object userState) {
     if ((this.AuthenticateUserOperationCompleted == null)) {
         this.AuthenticateUserOperationCompleted = new System.Threading.SendOrPostCallback(this.OnAuthenticateUserOperationCompleted);
     }
     this.InvokeAsync("AuthenticateUser", new object[] {
                 AuthenticateUserRequest}, this.AuthenticateUserOperationCompleted, userState);
 }
 /// <remarks/>
 public void AuthenticateUserAsync(AuthenticateUserRequest AuthenticateUserRequest) {
     this.AuthenticateUserAsync(AuthenticateUserRequest, null);
 }