code: public ServiceFuture<VpnSiteInner> beginUpdateTagsAsync(String resourceGroupName, String vpnSiteName, Map<String, String> tags, final ServiceCallback<VpnSiteInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginUpdateTagsWithServiceResponseAsync(resourceGroupName, vpnSiteName, tags), serviceCallback);
      }
docs: Updates VpnSite tags.
  
  @param resourceGroupName The resource group name of the VpnSite.
  @param vpnSiteName The name of the VpnSite being updated.
  @param tags Resource tags.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object