/**
* Merges two method failure match results.
*
* @param self $firstMatchResult
* @param self $secondMatchResult
* @return self
* @throws DomainException
*/
public static function mergeMethodFailures(self $firstMatchResult, self $secondMatchResult)
{
if (!$firstMatchResult->isMethodFailure() || !$secondMatchResult->isMethodFailure()) {
throw new DomainException('Both match results must be method failures');
}
return self::fromMethodFailure(array_unique(array_merge($firstMatchResult->getAllowedMethods(), $secondMatchResult->getAllowedMethods())));
}
