presto-orc/src/main/java/io/prestosql/orc/stream/CompressedOrcChunkLoader.java/CompressedOrcChunkLoader/toString
class CompressedOrcChunkLoader:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("loader", dataReader)
                .add("compressedOffset", getCurrentCompressedOffset())
                .add("decompressor", decompressor)
                .toString();
    }