presto-orc/src/main/java/io/prestosql/orc/stream/AbstractDiskOrcDataReader.java/AbstractDiskOrcDataReader/toString
class AbstractDiskOrcDataReader:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("orcDataSourceId", orcDataSourceId)
                .add("dataSize", dataSize)
                .add("maxBufferSize", maxBufferSize)
                .toString();
    }