BaseForm::isSpecificCatalogField

private function isSpecificCatalogField(string $fieldName): bool
{
	static $catalogEnumFields = null;

	if ($catalogEnumFields === null)
	{
		$catalogEnumFields = array_fill_keys(
			$this->getSpecificCatalogFieldsList(),
			true
		);
	}

	return isset($catalogEnumFields[$fieldName]);
}