private function documentToStructure($document)
{
if (null === $document) {
return;
}
$structure = $this->inspector->getStructureMetadata($document);
$documentAlias = $this->inspector->getMetadata($document)->getAlias();
$structureBridge = $this->structureManager->wrapStructure($documentAlias, $structure);
$structureBridge->setDocument($document);
return $structureBridge;
}