)

// this can be any type from istio/api that uses these types of selectors
type TargetablePolicy interface {
	GetTargetRef() *v1beta1.PolicyTargetReference
	GetTargetRefs() []*v1beta1.PolicyTargetReference
	GetSelector() *v1beta1.WorkloadSelector
}

// WorkloadPolicyMatcher performs policy selection either using targetRef or label selectors.
// Label selection uses the workload labels.

        if (dependencyState.getDependency().getSelector() instanceof ModuleComponentSelector) {
            ModuleComponentSelector selector = (ModuleComponentSelector) dependencyState.getDependency().getSelector();
            if (!StringUtils.isEmpty(selector.getVersionConstraint().getStrictVersion())) {
                if (constraintsSet == null) {

 */
public interface DependencyGraphEdge extends ResolvedGraphDependency {
    DependencyGraphNode getFrom();

    DependencyGraphSelector getSelector();

    boolean isTransitive();

    ExcludeSpec getExclusions();

    boolean contributesArtifacts();

    DependencyMetadata getDependencyMetadata();

    ImmutableAttributes getAttributes();

    def "returns a module component selector if descriptor indicates a default dependency"() {
        given:
        def metadata = create(requested)

        when:
        ComponentSelector componentSelector = metadata.getSelector()

        then:
        componentSelector instanceof ModuleComponentSelector
        componentSelector.group == 'org'
        componentSelector.module == 'module'
        componentSelector.version == '1.2+'
    }

                () -> delegate.listModuleVersions(dependency, result),
                cause -> new ModuleVersionResolveException(dependency.getSelector(), () -> buildDisabledRepositoryErrorMessage(repositoryName)),
                cause -> {
                    ModuleComponentSelector selector = dependency.getSelector();

            result.failed(new ModuleVersionResolveException(dependency.getSelector(), () -> String.format("No cached version listing for %s available for offline mode.", dependency.getSelector())));
        }

        @Override

        }

        private void listModuleVersionsFromCache(ModuleDependencyMetadata dependency, BuildableModuleVersionListingResolveResult result) {
            ModuleComponentSelector requested = dependency.getSelector();
            final ModuleIdentifier moduleId = requested.getModuleIdentifier();
            ModuleVersionsCache.CachedModuleVersionList cachedModuleVersionList = moduleVersionsCache.getCachedModuleResolution(delegate, moduleId);

    }

    @Override
    public String toString() {
        return "dependency: " + getSelector() + ", confs: " + confs;
    }

    @Override
    public ModuleComponentSelector getSelector() {
        return selector;
    }

    @Override
    public boolean isOptional() {
        return optional;
    }

    @Override

        }

        @Override
        public void listModuleVersions(ModuleDependencyMetadata dependency, BuildableModuleVersionListingResolveResult result) {
            ModuleIdentifier identifier = dependency.getSelector().getModuleIdentifier();
            whenModulePresent(identifier, null,
                    () -> delegate.listModuleVersions(dependency, result),
                    () -> result.listed(Collections.emptyList()));
        }

	ctx.ForEach(gvk.Gateway, func(r *resource.Instance) bool {
		gw := r.Message.(*v1alpha3.Gateway)
		gwName := r.Metadata.FullName.String()

		gwSelector := klabels.SelectorFromSet(gw.GetSelector())
		sGWSelector := gwSelector.String()
		for _, server := range gw.GetServers() {
			sPortNumber := strconv.Itoa(int(server.GetPort().GetNumber()))
			mapKey := genGatewayMapKey(sGWSelector, sPortNumber)