<!--

Thanks for the Pull Request!  Before you submit the PR, please
look over this checklist:

- Have you signed [Contributor License Agreement](https://www.elastic.co/contributor-agreement)?
PR's (no matter how small) cannot be merged until the CLA has been signed.  It only needs to be signed once,
however.

- Have you read the [Contributing Guidelines](https://github.com/elastic/elasticsearch-php/blob/master/.github/CONTRIBUTING.md)?

If you answered yes to both, thanks for the PR and we'll get to it ASAP! :)

-->
