Add protected `internal_visibility()` for Message derived classes.
PiperOrigin-RevId: 547316463
M
Martijn Vels committed
5cf74223aa2970464ba72848d4cd49130b98e62a
Parent: d8b1a62
Committed by Copybara-Service <copybara-worker@google.com>
on 7/11/2023, 10:36:49 PM