public function hookValidatorHandlers(array &$handlers)
    {
        foreach (array_keys($this->getHandlers()) as $command_id) {
            $class = str_replace('_', '', $command_id);
            $handlers["file_manager_$command_id"] = array(
                'handlers' => array(
                    'validate' => array("gplcart\\modules\\file_manager\\handlers\\validators\\$class", "validate$class")
                ),
            );
        }

        $handlers['file_manager_settings'] = array(
            'handlers' => array(
                'validate' => array('gplcart\\modules\\file_manager\\handlers\\validators\\Settings', 'validateSettings')
            ),
        );
    }