in lib/src/message_grouper_state.dart [74:84]
void readByte(int byte) {
assert(!_done);
_buffer.add(byte);
// Check for the last byte in the length, and then read it.
if ((byte & 0x80) == 0) {
_done = true;
var reader = CodedBufferReader(_buffer);
_length = reader.readInt32();
}
}