App Engine Documentation PHP Standard Environment Documentation API Documentation \google\appengine\api\cloud_storage Classes CloudStorageException Thrown when there is a failure using the blobstore service. CloudStorageTools CloudStorageTools allows the user to create and serve data with Google Cloud Storage . 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 February 22, 2017.