/**
* Return a structure bridge corresponding to the given document.
*
* @param BasePageDocument $document
*
* @return PageBridge
*/
protected function documentToStructure(BasePageDocument $document)
{
$structure = $this->inspector->getStructureMetadata($document);
$documentAlias = $this->inspector->getMetadata($document)->getAlias();
$structureBridge = $this->structureManager->wrapStructure($documentAlias, $structure);
$structureBridge->setDocument($document);
return $structureBridge;
}