/// <remarks/>
 public void getHistogramsAsync(GetHistogramsRequest getHistogramsRequest, object userState) {
     if ((this.getHistogramsOperationCompleted == null)) {
         this.getHistogramsOperationCompleted = new System.Threading.SendOrPostCallback(this.OngetHistogramsOperationCompleted);
     }
     this.InvokeAsync("getHistograms", new object[] {
                 getHistogramsRequest}, this.getHistogramsOperationCompleted, userState);
 }
 /// <remarks/>
 public void getHistogramsAsync(GetHistogramsRequest getHistogramsRequest) {
     this.getHistogramsAsync(getHistogramsRequest, null);
 }