code: public Observable<TroubleshootingResultInner> beginGetTroubleshootingAsync(String resourceGroupName, String networkWatcherName, TroubleshootingParameters parameters) {
          return beginGetTroubleshootingWithServiceResponseAsync(resourceGroupName, networkWatcherName, parameters).map(new Func1<ServiceResponse<TroubleshootingResultInner>, TroubleshootingResultInner>() {
              @Override
              public TroubleshootingResultInner call(ServiceResponse<TroubleshootingResultInner> response) {
                  return response.body();
              }
          });
      }
docs: Initiate troubleshooting on a specified resource.
  
  @param resourceGroupName The name of the resource group.
  @param networkWatcherName The name of the network watcher resource.
  @param parameters Parameters that define the resource to troubleshoot.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the TroubleshootingResultInner object