/**
  * @param array $headers
  *
  * @return array
  */
 protected function sortHeaders(array $headers)
 {
     if (null !== $this->columnSorter) {
         $headers = $this->columnSorter->sort($headers, $this->stepExecution->getJobParameters()->all());
     }
     return $headers;
 }
 /**
  * @param array $headers
  *
  * @return array
  */
 protected function sortHeaders(array $headers)
 {
     if (null !== $this->columnSorter) {
         $headers = $this->columnSorter->sort($headers);
     }
     return $headers;
 }