Patches and contributions to this project are welcome. Please follow the guidelines in this document when doing so.
Contributions to this project must be accompanied by a Contributor License Agreement. You (or your employer) retain the copyright to your contribution; this simply gives us permission to use and redistribute your contributions as part of the project. Head over to https://cla.developers.google.com/ to see your current agreements on file or to sign a new one.
You generally only need to submit a CLA once, so if you’ve already submitted one (even if it was for a different project), you probably don’t need to do it again.
All external submissions require review. To submit a change, please open a GitHub pull request. Consult GitHub Help for more information on using pull requests.
This project follows Google’s Open Source Community Guidelines.