tree e2fbeaf5effca14bf7eb5616b2f5c42be1b85368
parent f697b5b24f25f4557dc8473f2a7576b7feb067b8
author gregce <gregce@google.com> 1638836699 -0800
committer Copybara-Service <copybara-worker@google.com> 1638836782 -0800

Tighten some class privacy.

PiperOrigin-RevId: 414569480