code: public Observable<VirtualNetworkTapInner> updateTagsAsync(String resourceGroupName, String tapName) {
          return updateTagsWithServiceResponseAsync(resourceGroupName, tapName).map(new Func1<ServiceResponse<VirtualNetworkTapInner>, VirtualNetworkTapInner>() {
              @Override
              public VirtualNetworkTapInner call(ServiceResponse<VirtualNetworkTapInner> response) {
                  return response.body();
              }
          });
      }
docs: Updates an VirtualNetworkTap tags.
  
  @param resourceGroupName The name of the resource group.
  @param tapName The name of the tap.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request