code: protected String getFacebookGraphVideoEndpointUrl() {
      if (apiVersion.isUrlElementRequired()) {
        return getFacebookEndpointUrls().getGraphVideoEndpoint() + '/' + apiVersion.getUrlElement();
      } else {
        return getFacebookEndpointUrls().getGraphVideoEndpoint();
      }
    }
docs: Returns the base endpoint URL for the Graph API's video upload functionality.
  
  @return The base endpoint URL for the Graph API's video upload functionality.
  @since 1.6.5