Cloud Datastore Documentation OperationType Operation types. Enums OPERATION_TYPE_UNSPECIFIED Unspecified. EXPORT_ENTITIES projects.export. IMPORT_ENTITIES projects.import. 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 August 30, 2017.