throw new IllegalStateException("Cannot add a pending node for a dependency which is not pending");
        }
        constraintProvidingNodes.add(nodeState);
        if (nodeState.getComponent().getModule().isVirtualPlatform()) {
            reportActivePending = false;
        }
    }

    public void unregisterConstraintProvider(NodeState nodeState) {
        if (hardEdges != 0) {

    }

    public static ModuleRevisionId createModuleRevisionId(ModuleComponentIdentifier id) {
        return createModuleRevisionId(id.getGroup(), id.getModule(), id.getVersion());
    }

    private static String emptyStringIfNull(String value) {
        return GUtil.elvis(value, "");
    }

public interface IvyDependency {

    /**
     * The organisation value for this dependency.
     */
    String getOrganisation();

    /**
     * The module value for this dependency.
     */
    String getModule();

    /**
     * The revision value for this dependency.
     */
    String getRevision();

    /**
     * The configuration mapping string that will be output for this dependency.

        val token = tokenFactory.create(project, project.createProjectWideOutOfBlockModificationTracker())
        val context = facade.getAnalysisContext(useSiteKtElement, token)
        val useSiteModule = ProjectStructureProvider.getModule(project, useSiteKtElement, contextualModule = null)
        return KaFe10Session(context, useSiteModule, token)
    }

    override fun getAnalysisSessionByUseSiteKtModule(useSiteKtModule: KtModule): KaSession {

    private ModuleDescriptorArtifactMetadata getMetaDataArtifactFor(ModuleComponentIdentifier moduleComponentIdentifier) {
        IvyArtifactName ivyArtifactName = metadataArtifactProvider.getMetaDataArtifactName(moduleComponentIdentifier.getModule());
        return new DefaultModuleDescriptorArtifactMetadata(moduleComponentIdentifier, ivyArtifactName);
    }

     */
    Module getExternalModule(String name) throws UnknownModuleException;

    /**
     * Locates a module by name.
     *
     * @return the module. Does not return null.
     */
    Module getModule(String name) throws UnknownModuleException;

    /**
     * Tries to locate a module by name.
     *
     * @return the optional module, or {@literal null} if it cannot be found

    void createSpecs() {
        withModuleMetadataSpec = new SingleArtifactResolutionResultSpec<T>(module)
        withoutModuleMetadataSpec = new SingleArtifactResolutionResultSpec<T>(module)
    }

    abstract T getModule()

    abstract void validate()

    }

    private LocalComponentGraphResolveState getLocalComponentState(ProjectState projectState, ProjectInternal project) {
        Module module = project.getDependencyMetaDataProvider().getModule();
        ModuleVersionIdentifier moduleVersionIdentifier = moduleIdentifierFactory.moduleWithVersion(module.getGroup(), module.getName(), module.getVersion());

        this.version = version;
        this.classifier = classifier;
        this.excludedModules = excludedModules;
    }

    public String getGroupId() {
        return group;
    }

    public String getModule() {
        return module;
    }

    public String getVersion() {
        return version;
    }

    public String getClassifier() {
        return classifier;
    }

    }

    @Override
    public DefaultExclude convertExcludeRule(ExcludeRule excludeRule) {
        return createExcludeRule(excludeRule.getGroup(), excludeRule.getModule());
    }

    @Override
    public DefaultExclude createExcludeRule(String group, String module) {
        group = GUtil.elvis(group, PatternMatchers.ANY_EXPRESSION);