return new PluginDescriptor(pd);
        } else {
            XmlNode node = XmlNodeStaxBuilder.build(xsr, true, null);
            PlexusConfiguration cfg = XmlPlexusConfiguration.toPlexusConfiguration(node);
            return build(source, cfg);
        }
    }

    private PluginDescriptor build(String source, PlexusConfiguration c) throws PlexusConfigurationException {

                    .toInstance(configuration);
            binder.bind(PlexusConfiguration.class)
                    .annotatedWith(Names.named(extension.getKey()))
                    .toInstance(XmlPlexusConfiguration.toPlexusConfiguration(configuration));
        }
    }

    static class ExtensionInterpolator extends MavenTransformer {
        ExtensionInterpolator(Function<String, String> transformer) {
            super(transformer);

                        .collect(Collectors.toList());
                dom = new XmlNodeImpl(dom.getName(), null, null, children, null);
                PlexusConfiguration config = XmlPlexusConfiguration.toPlexusConfiguration(dom);
                configProps.put("aether.transport.wagon.config." + server.getId(), config);

                // Translate to proper resolver configuration properties as well (as Plexus XML above is Wagon specific