* Subclasses implement the actual upgrade logic in doApply().
     */
    @Override
    public final UpgradeResult apply(UpgradeContext context, Map<Path, Document> pomMap) {
        context.info(getDescription());
        context.indent();

        try {
            UpgradeResult result = doApply(context, pomMap);

            // Log summary
            logSummary(context, result);