presto-orc/src/main/java/io/prestosql/orc/reader/ReaderUtils.java/ReaderUtils/unpackInt128Nulls
class ReaderUtils:    public static long[] unpackInt128Nulls(long[] values, boolean[] isNull)
    {
        long[] result = new long[isNull.length * 2];

        int position = 0;
        int outputPosition = 0;
        for (int i = 0; i < isNull.length; i++) {
            result[outputPosition] = values[position];
            result[outputPosition + 1] = values[position + 1];
            if (!isNull[i]) {
                position += 2;
            }
            outputPosition += 2;
        }
        return result;
    }