presto-orc/src/main/java/io/prestosql/orc/metadata/Stream.java/Stream/toString
class Stream:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("column", columnId)
                .add("streamKind", streamKind)
                .add("length", length)
                .add("useVInts", useVInts)
                .toString();
    }