@VisibleForTesting
    static class HashCode128 extends HashCode {
        private final long bits1;
        private final long bits2;

        public HashCode128(long bits1, long bits2) {
            this.bits1 = bits1;
            this.bits2 = bits2;
        }

        @Override
        public int length() {
            return 16;
        }

        @Override

		}

		var pid32 int32
		if pid == math.MaxUint64 {
			pid32 = -1
		} else {
			pid32 = int32(pid)
		}

		v, err := p.readVal()
		if err != nil {
			return err
		}

		*ev = rawEvent{
			typ:         EvBatch,
			args:        p.args[:0],
			batchPid:    pid32,
			batchOffset: off,
		}
		ev.args = append(ev.args, pid, v)