/**
  * Exposes the protected getChangeSequenceSQL method.
  *
  * @param   SimpleXMLElement  $structure  The XML sequence definition.
  *
  * @return  string
  *
  * @since   12.1
  */
 public function getChangeSequenceSQL(SimpleXMLElement $structure)
 {
     return parent::getChangeSequenceSQL($structure);
 }