Type: array Mapping of parser name to default class
protected $mapping = array(
'message' => 'Guzzle\\Parser\\Message\\MessageParser',
'cookie' => 'Guzzle\\Parser\\Cookie\\CookieParser',
'url' => 'Guzzle\\Parser\\Url\\UrlParser',
'uri_template' => 'Guzzle\\Parser\\UriTemplate\\UriTemplate',
);