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