.setMessage("Unknown packaging: " + packaging)
                    .setLocation(model.getLocation("packaging")));
        } else if (!defaultPlugins.isEmpty()) {
            List<Plugin> plugins = defaultPlugins.stream()
                    .map(org.apache.maven.model.Plugin::getDelegate)
                    .collect(Collectors.toList());

                PluginContainer source,
                boolean sourceDominant,
                Map<Object, Object> context) {
            List<Plugin> src = source.getPlugins();
            if (!src.isEmpty()) {
                List<Plugin> tgt = target.getPlugins();

                Map<Object, Plugin> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2);

                for (Plugin element : tgt) {