Thus allow to pass output parameter by reference. Bug: None Change-Id: I64821caf72875efee62d6cfc90691070dceba775 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/334644 Auto-Submit: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Philip Eliasson <philipel@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41542}