Firebase Docs Reference com.google.firebase.perf Annotations FirebasePerformance.HttpMethod Valid HttpMethods for manual network APIs Classes FirebasePerformance The Firebase Performance API. 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 April 12, 2018.