/**
  * {@inheritdoc}
  */
 protected function doConvert(AbstractQueryDesigner $source)
 {
     $this->filters = [];
     $this->currentFilterPath = '';
     parent::doConvert($source);
     $this->filters = null;
     $this->currentFilterPath = null;
 }
 /**
  * {@inheritdoc}
  */
 protected function addWhereStatement()
 {
     parent::addWhereStatement();
     if (!empty($this->filters)) {
         $this->config->offsetSetByPath('[source][query_config][filters]', $this->filters);
     }
 }