presto-spi/src/main/java/io/prestosql/spi/block/Int128ArrayBlockBuilder.java/Int128ArrayBlockBuilder/writeLong
class Int128ArrayBlockBuilder:    @Override
    public BlockBuilder writeLong(long value)
    {
        if (valueIsNull.length <= positionCount) {
            growCapacity();
        }

        values[(positionCount * 2) + entryPositionCount] = value;
        entryPositionCount++;

        hasNonNullValue = true;
        return this;
    }