private function addFilters()
    {
        foreach ($this->_data as $requestName => $requestConfig) {
            if (isset($requestConfig['filters'])) {
                $filters = [];

                foreach ($requestConfig['filters'] as $filterName => $filterClass) {
                    $filters[$filterName] = $this->objectManager->get($filterClass);
                }

                $this->_data[$requestName]['filters'] = $filters;
            }
        }
    }