presto-orc/src/main/java/io/prestosql/orc/checkpoint/BooleanStreamCheckpoint.java/BooleanStreamCheckpoint/toPositionList
class BooleanStreamCheckpoint:    public List<Integer> toPositionList(boolean compressed)
    {
        return ImmutableList.<Integer>builder()
                .addAll(byteStreamCheckpoint.toPositionList(compressed))
                .add(offset)
                .build();
    }