presto-google-sheets/src/main/java/io/prestosql/plugin/google/sheets/SheetsRecordSet.java/SheetsRecordSet/SheetsRecordSet
class SheetsRecordSet:    public SheetsRecordSet(SheetsSplit split, List<SheetsColumnHandle> columnHandles)
    {
        requireNonNull(split, "split is null");
        this.columnHandles = requireNonNull(columnHandles, "column handles is null");
        this.values = split.getValues();
        this.columnTypes = columnHandles.stream().map(c -> c.getColumnType()).collect(Collectors.toList());
    }