code: public VirtualNetworkInner updateTags(String resourceGroupName, String virtualNetworkName) {
          return updateTagsWithServiceResponseAsync(resourceGroupName, virtualNetworkName).toBlocking().last().body();
      }
docs: Updates a virtual network tags.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkName The name of the virtual network.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the VirtualNetworkInner object if successful.