/// <remarks/>
 public void RetrieveAirportRoutesAsync(RetrieveAirportRoutes RetrieveAirportRoutesRequest, object userState) {
     if ((this.RetrieveAirportRoutesOperationCompleted == null)) {
         this.RetrieveAirportRoutesOperationCompleted = new System.Threading.SendOrPostCallback(this.OnRetrieveAirportRoutesOperationCompleted);
     }
     this.InvokeAsync("RetrieveAirportRoutes", new object[] {
                 RetrieveAirportRoutesRequest}, this.RetrieveAirportRoutesOperationCompleted, userState);
 }
 /// <remarks/>
 public void RetrieveAirportRoutesAsync(RetrieveAirportRoutes RetrieveAirportRoutesRequest) {
     this.RetrieveAirportRoutesAsync(RetrieveAirportRoutesRequest, null);
 }