def update(self, value): return Reference().update(value)
def get(self): return Reference().get(etag=False, shallow=False)
def set(self, value): return Reference().set(value)
def reference(self, path='/', app=None, url=None): service = _utils.get_app_service(app, _DB_ATTRIBUTE, _DatabaseService) client = service.get_client(url) return Reference(client=client, path=path)