return getPluginKey(plugin);
        }
    }

    /**
     * KeyComputer for ReportSet
     */
    private class ReportSetKeyComputer implements KeyComputer<ReportSet> {
        @Override
        public Object key(ReportSet reportSet) {
            return getReportSetKey(reportSet);
        }
    }

    /**
     * KeyComputer for Notifier
     */

     * @return a Map of reportSets field with {@code ReportSet#getId()} as key
     * @see ReportSet#getId()
     */
    public java.util.Map<String, ReportSet> getReportSetsAsMap() {
        if (reportSetMap == null) {
            reportSetMap = new java.util.LinkedHashMap<String, ReportSet>();
            if (getReportSets() != null) {
                for (java.util.Iterator<ReportSet> i = getReportSets().iterator(); i.hasNext(); ) {