public void WriteCollectionsIntoFile()
 {
     try
     {
         excelWriter.WriteIntoExcelFile(FirstCollection, FirstColumnNumber, OutputFilePath);
         excelWriter.WriteIntoExcelFile(SecondCollection, SecondColumnNumber, OutputFilePath);
     }
     catch (Exception e)
     {
         throw e;
     }
 }
        public void WriteCollectionsIntoFile()
        {
            try
            {
                excelWriter.WriteIntoExcelFile(FirstUniqueFileList, 1, OutputFilePath);
                excelWriter.WriteIntoExcelFile(SecondUniqueFileList, 2, OutputFilePath);
            }

            catch (Exception e)
            {
                throw e;
            }
        }