code: public void setReportDefinitions(java.util.Collection<ReportDefinition> reportDefinitions) {
          if (reportDefinitions == null) {
              this.reportDefinitions = null;
              return;
          }
  
          this.reportDefinitions = new java.util.ArrayList<ReportDefinition>(reportDefinitions);
      }
docs: <p>
  A list of AWS Cost and Usage reports owned by the account.
  </p>
  
  @param reportDefinitions
  A list of AWS Cost and Usage reports owned by the account.