/** * All properties in the source array except __identity are sub-properties. * * @param mixed $source * @return array */ public function getSourceChildPropertiesToBeConverted($source) { if (is_string($source)) { return array(); } if (isset($source['adjustments'])) { unset($source['adjustments']); } if (isset($source['processingInstructions'])) { unset($source['processingInstructions']); } return parent::getSourceChildPropertiesToBeConverted($source); }