See general rules in CONTRIBUTING.md.
Any contribution (including, but not limited to, all bug reports, issues, pull requests, commits, emails to mailing lists) you submit to this project will be treated, per Section 5 of the Apache License, Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0, the "License"), as submitted under the terms and conditions of the License. By making any contribution, you agree to the terms and conditions of the License. Unless you own all the rights to your contribution, you can't submit it. For example, if your employer or any other third party has intellectual property rights in the contribution, you may not submit it. If you are unsure, please contact a legal professional; we can't provide legal advice.
Furthermore, contributions may be distributed publicly. You understand you have no expectation of privacy in any of your contributions. Keep in mind that whenever you submit anything, a number of automated systems immediately start copying the data all over the Internet, so be careful.
See PULL_REQUEST_TEMPLATE.md for Pull Request rules.