code: private String createCSV() {
  
          String csvData = null;
  
          if (isAggregate())
              csvData = createAggregatedProjectCSV();
          else
              csvData = createMultiProjectCSV();
  
          return csvData;
      }
docs: Performs all the steps necessary for retrieving Sonar data and convert them into CSV.
  
  @return The string containing all the CSV data according to the configuration of this plugin.