Remove unused ByteBufferWriter and its tests
ByteBufferWriter has no usages. PiperOrigin-RevId: 912191309
P
Protobuf Team Bot committed
79129d9e0eb497da47d036e88cc86078c93e256c
Parent: 00b6ad4
Committed by Copybara-Service <copybara-worker@google.com>
on 5/7/2026, 10:45:09 PM