($key, $value_token) = _dispatch_custom_filters($params{class}, $with_objects, $key, $value_token) if $params{class};
($key, $value_token) = _apply_value_filters($key, $value_token, $type, $op);
($key, $value_token) = _dispatch_custom_filters($params{class}, $with_objects, $key, $value_token) if $params{class};
($key, $value_token) = _apply_value_filters($key, $value_token, $type, $op);