presto-orc/src/main/java/io/prestosql/orc/writer/BooleanColumnWriter.java/BooleanColumnWriter/createBooleanColumnPositionList
class BooleanColumnWriter:    private static List<Integer> createBooleanColumnPositionList(
            boolean compressed,
            BooleanStreamCheckpoint dataCheckpoint,
            Optional<BooleanStreamCheckpoint> presentCheckpoint)
    {
        ImmutableList.Builder<Integer> positionList = ImmutableList.builder();
        presentCheckpoint.ifPresent(booleanStreamCheckpoint -> positionList.addAll(booleanStreamCheckpoint.toPositionList(compressed)));
        positionList.addAll(dataCheckpoint.toPositionList(compressed));
        return positionList.build();
    }