presto-spi/src/main/java/io/prestosql/spi/block/Int128ArrayBlockBuilder.java/Int128ArrayBlockBuilder/closeEntry
class Int128ArrayBlockBuilder:    @Override
    public BlockBuilder closeEntry()
    {
        if (entryPositionCount != 2) {
            throw new IllegalStateException("Expected entry size to be exactly " + INT128_BYTES + " bytes but was " + (entryPositionCount * SIZE_OF_LONG));
        }

        positionCount++;
        entryPositionCount = 0;
        if (blockBuilderStatus != null) {
            blockBuilderStatus.addBytes(Byte.BYTES + INT128_BYTES);
        }
        return this;
    }