App Engine Documentation Python Documentation google.appengine.ext.ndb.utils module Summary Low-level utilities used internally by NDB. These are not meant for use by code outside NDB. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated October 4, 2016.