tree 0ddc247ae7c125d2354f99682d22ef50e65dc8b7
parent 3978c2d8aba43d899ea594811cb3b8a349b4ebba
author diannahu <diannahu@google.com> 1686859377 -0700
committer Copybara-Service <copybara-worker@google.com> 1686859448 -0700

Add BalsaHeadersSequence::IsEmpty().

This method will eventually replace the BackendResponder calls to
HasContinueResponseHeaders() in [1], as these conditions should be generalized
to other interim headers.

[1] http://google3/gfe/gfe2/jetstream/backend_responder.cc;l=985,1002;rcl=538013523

PiperOrigin-RevId: 540667259