code: public Observable<FlowLogInformationInner> getFlowLogStatusAsync(String resourceGroupName, String networkWatcherName, String targetResourceId) {
          return getFlowLogStatusWithServiceResponseAsync(resourceGroupName, networkWatcherName, targetResourceId).map(new Func1<ServiceResponse<FlowLogInformationInner>, FlowLogInformationInner>() {
              @Override
              public FlowLogInformationInner call(ServiceResponse<FlowLogInformationInner> response) {
                  return response.body();
              }
          });
      }
docs: Queries status of flow log on a specified resource.
  
  @param resourceGroupName The name of the network watcher resource group.
  @param networkWatcherName The name of the network watcher resource.
  @param targetResourceId The target resource where getting the flow logging status.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request