This is to avoid accessing the array via the config struct. Moving forward we might want to consider using the RtpHeaderExtensionMap instead of a std::vector of RtpExtension. Bug: webrtc:11993 Change-Id: I8469dbbd9bb95a69f87b5912bfc4bf8b8f603beb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261317 Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36820}