presto-orc/src/main/java/io/prestosql/orc/writer/ListColumnWriter.java/ListColumnWriter/getNestedColumnWriters
class ListColumnWriter:    @Override
    public List<ColumnWriter> getNestedColumnWriters()
    {
        return ImmutableList.<ColumnWriter>builder()
                .add(elementWriter)
                .addAll(elementWriter.getNestedColumnWriters())
                .build();
    }