public function exportChildren(SimpleXMLElement $xml)
{
while ($artifact_id = $this->children_collector->pop()) {
$artifact = $this->artifact_factory->getArtifactById($artifact_id);
if (!$artifact) {
continue;
}
$last_changeset = $artifact->getLastChangeset();
$this->artifact_xml_updater->exportSnapshotWithoutComments($xml, $last_changeset);
$index_last_artifact = count($xml->artifact) - 1;
$this->file_xml_updater->update($xml->artifact[$index_last_artifact]);
}
}