protected function registerValidators(RequestValidator $validator)
    {
        $validator->registerValidator('post_edit_handler', 'FluxBB\Validation\PostValidator');
        $validator->registerValidator('reply_handler', 'FluxBB\Validation\PostValidator');
        $validator->registerValidator('new_topic_handler', 'FluxBB\Validation\PostValidator');
        $validator->registerValidator('admin.options.set', 'FluxBB\Validation\OptionsValidator');
        $validator->registerValidator('handle_registration', 'FluxBB\Validation\UserValidator');
    }