public void mergeChanges(String prefix, ChangesRequiringRestart childReport) {
        for (ReportLine line : childReport.getReportLines()) {
            line.addNamePrefix(prefix);
            report.add(line);
        }
    }
This class aggregates information about config changes that causes a restart to be required.

@author Magnar Nedland
config-lib/src/main/java/com/yahoo/config/ChangesRequiringRestart.java