public function getXmlRepresentation($a_entity, $a_schema_version, $a_id)
 {
     ilUtil::makeDirParents($this->getAbsoluteExportDirectory());
     $this->ds->setExportDirectories($this->dir_relative, $this->dir_absolute);
     return $this->ds->getXmlRepresentation($a_entity, $a_schema_version, $a_id, '', true, true);
 }
 /**
  * Called before finishing the import
  *
  * @param $a_mapping
  */
 public function finalProcessing($a_mapping)
 {
     $this->ds->beforeFinishImport($a_mapping);
 }