assertNull(execution.getConfiguration());

        lifeCycleExecutionPlanCalculator.setupMojoExecution(
                session, session.getCurrentProject(), execution, new HashSet<>());
        assertNotNull(execution.getConfiguration());
        assertEquals("1.0", execution.getConfiguration().getChild("version").getAttribute("default-value"));
    }

    @Test

            if (dep instanceof ProjectDependency) {
                dependenciesBuilder.projectDependency(dep.getConfiguration(), null, ((ProjectDependency) dep).getProjectPath());
            } else {
                ExternalDependency extDep = (ExternalDependency) dep;
                dependenciesBuilder.dependency(dep.getConfiguration(), null, BuildInitDependency.of(extDep.getGroupId(), extDep.getModule(), extDep.getVersion()));
            }

        if (metadataType == "ivy") {
            // no variants are derived for plain ivy, but we can use a ivy configuration
            baseVariant = immutableMetadata.getConfiguration('runtime')
        }

        then:
        variants.size() == initialVariantCount + 1
        variants.last().name == 'new-variant'
        variants.last().attributes == baseVariant.attributes

        }
      #elseif ( $field.type == "DOM" )
        XmlNode src = source.getConfiguration();
        if (src != null) {
            XmlNode tgt = target.getConfiguration();
            if (tgt == null) {
                builder.configuration(src);
        #if ( $locationTracking )

        for (String potentialVariantName : getConfigurationNames()) {
            if (!configurationDefinitions.containsKey(potentialVariantName)) {
                builder.add(getConfiguration(potentialVariantName));
            }
        }
        return builder.build();
    }

    @Override
    public MutableIvyModuleResolveMetadata asMutable() {
        return metadata.asMutable();

        } catch (Exception e) {
            throw new PluginContainerException(mojoDescriptor, pluginRealm, "Unable to lookup Mojo", e);
        }

        XmlNode dom = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;

        PlexusConfiguration pomConfiguration;

        if (dom == null) {

        LocalComponentGraphResolveState state = getComponentState(module, componentIdentifier);
        ConfigurationGraphResolveState configuration = state.getConfiguration(configurationName);
        if (configuration == null) {
            throw new IllegalArgumentException(String.format("Expected configuration '%s' to be present in %s", configurationName, componentIdentifier));
        }

        WrapperExecutor wrapper = WrapperExecutor.forProjectDirectory(layout.getRootDirectory());
        if (wrapper.getDistribution() != null) {
            return new ZippedDistribution(wrapper.getConfiguration(), clock);
        }
        return getDownloadedDistribution(GradleVersion.current().getVersion());
    }

    /**
     * Returns the distribution installed in the specified directory.
     */

            authBuilder.addPrivateKey(server.getPrivateKey(), server.getPassphrase());
            authSelector.add(server.getId(), authBuilder.build());

            if (server.getConfiguration() != null) {
                XmlNode dom = server.getDelegate().getConfiguration();
                List<XmlNode> children = dom.getChildren().stream()
                        .filter(c -> !"wagonProvider".equals(c.getName()))

                plugin.setArtifactId(extension.getArtifactId());
                plugin.setVersion(extension.getVersion());
                XmlNode configuration = extension.getDelegate().getConfiguration();
                if (configuration != null) {
                    plugin.setConfiguration(new Xpp3Dom(configuration));
                }
                extensionPlugins.add(plugin);
            }