public static function instanceWithClosureFQSEN(FQSEN $fqsen)
{
// Use an instance with no memoized or lazily initialized results.
// Avoids picking up changes to CallableType::instance() in the case that a result depends on asFQSEN()
$instance = clone self::callableInstance();
$instance->fqsen = $fqsen;
return $instance;
}