public Option <Dictionary <string, string> > GetCellsValue(Some <string> fileName, Some <IList <string> > cells)
{
var excelFile = _excelProvider.OpenFile(fileName);
var worksheet = excelFile.Workbook.Worksheets.First();
var cellValues = cells.Flatten().Distinct().ToDictionary(cell => cell, cell => _excelProvider.ReadCell(worksheet, cell));
_excelProvider.CloseFile(excelFile);
return(new Dictionary <string, string>(cellValues));
}
