/**
  * Transforms the data in direction from formatted output file and returns the transformed data.
  *
  * @param array $data
  * @return array
  */
 public function transformBackward($data)
 {
     if (!$this->pluginConfig->get('useCommaDecimal')) {
         return $data;
     }
     $data = $this->transform([$data], false);
     return $data[0];
 }