Pinq\Tests\Integration\Providers\DSL\Implementation\Preprocessors\VariablePrefixerProcessor::factory PHP Метод

    public static function factory($prefix)
    {
        return function (Queries\IQuery $query) use($prefix) {
            return Expression\ProcessorFactory::from($query, new self($prefix));
        };
    }

 protected function preprocessorFactories()
 {
     return [VariablePrefixerProcessor::factory('__')];
 }