presto-orc/src/main/java/io/prestosql/orc/checkpoint/ByteArrayStreamCheckpoint.java/ByteArrayStreamCheckpoint/toString
class ByteArrayStreamCheckpoint:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("inputStreamCheckpoint", inputStreamCheckpointToString(inputStreamCheckpoint))
                .toString();
    }