return this;
    }

    @Override
    public String getName() {
        return String.format("%s:%s:%s", moduleVersionId.getGroup(), moduleVersionId.getName(), moduleVersionId.getVersion());
    }

    @Override
    public String getModuleGroup() {
        return moduleVersionId.getGroup();
    }

    @Override
    public String getModuleName() {
        return moduleVersionId.getName();
    }

    @Override

                sb.append(" --> ");
                SelectorState selector = edge.getSelector();
                ModuleIdentifier moduleId = selector.getTargetModule().getId();
                sb.append('\'').append(moduleId.getGroup()).append(':').append(moduleId.getName()).append('\'');
                if (variantDetails != null) {
                    sb.append(variantDetails);
                }
            }
            result.add(sb.toString());

    @Override
    public PotentialConflict registerCandidate(CapabilitiesConflictHandler.Candidate candidate) {
        CapabilityInternal capability = (CapabilityInternal) candidate.getCapability();
        String group = capability.getGroup();
        String name = capability.getName();
        final Set<NodeState> nodes = findNodesFor(capability);
        Collection<NodeState> implicitCapabilityProviders = candidate.getImplicitCapabilityProviders();

            getModule() >> Mock(ModuleResolveState)
        }
    }

    CapabilityInternal capability(String group="org", String name="cap") {
        Mock(CapabilityInternal) {
            getGroup() >> group
            getName() >> name
        }
    }

    NodeState node(ComponentState cs) {
        def metadata = Mock(VariantGraphResolveMetadata) {
            getDependencies() >> []

        sb.append(id).append("' has been rejected:\n");
        sb.append("   Cannot select module with conflict on ");
        Capability capability = capabilityConflict.left;
        sb.append("capability '").append(capability.getGroup()).append(":").append(capability.getName()).append(":").append(capability.getVersion()).append("' also provided by ");
        sb.append(capabilityConflict.getRight());
        return sb.toString();
    }

    @Override

        ModuleVersionIdentifier moduleVersionIdentifier = moduleIdentifierFactory.moduleWithVersion(module.getGroup(), module.getName(), module.getVersion());

        if (shouldCacheResolutionState()) {

                Collection<NodeState> implicitProvidersForCapability = Collections.emptyList();
                for (ModuleResolveState state : resolveState.getModules()) {
                    if (state.getId().getGroup().equals(capability.getGroup()) && state.getId().getName().equals(capability.getName())) {
                        Collection<ComponentState> versions = state.getVersions();

            onAccess("description")
            delegate.description = description
        }

        override fun getGroup(): Any {
            onAccess("group")
            return delegate.group
        }

        override fun setGroup(group: Any) {
            onAccess("group")
            delegate.group = group
        }

        override fun getVersion(): Any {

        if (!capabilities.isEmpty()) { // Not required, but Guava's performance bad for an empty immutable list
            for (Capability capability : capabilities) {
                if (capability.getGroup().equals(group) && capability.getName().equals(name)) {
                    return capability;
                }
            }
        }
        return null;
    }

        return project.getTasks().register(PLUGIN_UNDER_TEST_METADATA_TASK_NAME, PluginUnderTestMetadata.class, pluginUnderTestMetadataTask -> {
            pluginUnderTestMetadataTask.setGroup(PLUGIN_DEVELOPMENT_GROUP);
            pluginUnderTestMetadataTask.setDescription(PLUGIN_UNDER_TEST_METADATA_TASK_DESCRIPTION);