/**
* Test if a particular part identifier is known for a particular occurrence
*
* @param int $occurrence Occurrence index
* @param string $part Part identifier
* @return bool Is known part identifier
*/
protected function isKnownPartIdentifier($occurrence, $part)
{
return parent::isKnownPartIdentifier($occurrence, $part) || $part == self::WILDCARD && count($this->occurrences[$occurrence]);
}
