/// <remarks/>
 public void FindPopularItemsAsync(FindPopularItemsRequestType FindPopularItemsRequest, object userState) {
     if ((this.FindPopularItemsOperationCompleted == null)) {
         this.FindPopularItemsOperationCompleted = new System.Threading.SendOrPostCallback(this.OnFindPopularItemsOperationCompleted);
     }
     this.InvokeAsync("FindPopularItems", new object[] {
                 FindPopularItemsRequest}, this.FindPopularItemsOperationCompleted, userState);
 }
 /// <remarks/>
 public void FindPopularItemsAsync(FindPopularItemsRequestType FindPopularItemsRequest) {
     this.FindPopularItemsAsync(FindPopularItemsRequest, null);
 }