presto-spi/src/main/java/io/prestosql/spi/block/RowBlockBuilder.java/RowBlockBuilder/RowBlockBuilder
class RowBlockBuilder:    private RowBlockBuilder(@Nullable BlockBuilderStatus blockBuilderStatus, BlockBuilder[] fieldBlockBuilders, int[] fieldBlockOffsets, boolean[] rowIsNull)
    {
        super(fieldBlockBuilders.length);

        this.blockBuilderStatus = blockBuilderStatus;
        this.positionCount = 0;
        this.fieldBlockOffsets = requireNonNull(fieldBlockOffsets, "fieldBlockOffsets is null");
        this.rowIsNull = requireNonNull(rowIsNull, "rowIsNull is null");
        this.fieldBlockBuilders = requireNonNull(fieldBlockBuilders, "fieldBlockBuilders is null");
    }