tree e9ce0bb17eff0fd0272b3cabb04b8bcee5d68fdc
parent 03fcf272536a679ccb3b9a36867308a0c30ecdc5
author bnc <bnc@google.com> 1658506861 -0700
committer Copybara-Service <copybara-worker@google.com> 1658506950 -0700

Add MetadataFrameSequence::HasNext().

Also add test for empty payload case to make sure it produces a frame.

PiperOrigin-RevId: 462638108