/**
  * {@inheritdoc}
  */
 public static function fromArray(array $values)
 {
     $message = new self();
     $values = array_merge(['modified_timestamp_ms' => null, 'deleted_item' => null, 'inventory_item_data' => null], $values);
     $message->setModifiedTimestampMs($values['modified_timestamp_ms']);
     $message->setDeletedItem($values['deleted_item']);
     $message->setInventoryItemData($values['inventory_item_data']);
     return $message;
 }