code: public function setVclAsMain($version, $name)
      {
          $url = $this->_getApiServiceUri() . 'version/' .$version. '/vcl/' .$name. '/main';
          $result = $this->_fetch($url, 'PUT');
  
          return $result;
      }
docs: Set the specified VCL as the main
  
  @param $version
  @param string $name
  @return bool|mixed
  @throws LocalizedException