public function getMessages($fullnames = false) {

		if(false === is_bool($fullnames)) {
			return trigger_error(sprintf('Argument 1 passed to %s() must be of the type boolean, "%s" given', __METHOD__, gettype($fullnames)), E_USER_ERROR);
		}

		$instance = $this -> getMessageInstance();
		return $instance :: getErrors($fullnames);
	}