protected function get_flag($key, $default = null)
    {
        return \WP_CLI\Utils\get_flag_value($this->args->original(), $key, $default);
    }
protected function get_flag($key, $default = null)
    {
        return \WP_CLI\Utils\get_flag_value($this->args->original(), $key, $default);
    }
protected function get_flag ( $ key , $ default = null ) { return \ WP_CLI \ Utils \ get_flag_value ( $ this -> args -> original ( ) , $ key , $ default ) ; }
Get flag value for command line option.

@param      $key
@param null $default

@return mixed
Get flag value for command line option .