per-file AsyncChannel* = lorenzo@google.com, satk@google.com, etancohen@google.com
per-file MessageUtils*, Protocol*, RingBuffer*, TokenBucket* = jchalard@google.com, lorenzo@google.com, satk@google.com
per-file Protocol* = etancohen@google.com, lorenzo@google.com
per-file State* = jchalard@google.com, lorenzo@google.com, satk@google.com
