presto-spi/src/main/java/io/prestosql/spi/block/RunLengthEncodedBlock.java/RunLengthEncodedBlock/getShort
class RunLengthEncodedBlock:    @Override
    public short getShort(int position, int offset)
    {
        checkReadablePosition(position);
        return value.getShort(0, offset);
    }