presto-hive/src/main/java/io/prestosql/plugin/hive/InternalHiveSplit.java/InternalHiveSplit/toString
class InternalHiveSplit:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("path", path)
                .add("start", start)
                .add("end", end)
                .add("fileSize", fileSize)
                .toString();
    }