*/
    @Nullable
    VersionControlSpec locateVcsFor(ModuleComponentSelector selector);

    /**
     * Does this resolver do anything?
     */
    boolean hasRules();

    }

    public String[] getGroups() {
        return user.getGroupNames();
    }

    public boolean isEditable() {
        return user.isEditable();
    }

    public boolean hasRole(final String role) {
        return stream(user.getRoleNames()).get(stream -> stream.anyMatch(s -> s.equals(role)));
    }

    public boolean hasRoles(final String[] acceptedRoles) {

	tests := []struct {
		lc       Lifecycle
		opts     ObjectOpts
		hasRules bool
	}{
		{ // Delete marker shouldn't match filter without tags
			lc: Lifecycle{
				Rules: []Rule{
					rules[0],
				},
			},
			opts: ObjectOpts{
				DeleteMarker: true,
				IsLatest:     true,
				Name:         "obj-1",
			},
			hasRules: false,
		},
		{ // PUT version with no matching tags

        HasTwoSources | [HasTwoSources.SourceOne, HasTwoSources.SourceTwo]
        IsASource     | [IsASource]
    }

    def "has model sources - #clazz"() {
        expect:
        detector.hasRules(clazz) == expected

        where:
        clazz        | expected
        String       | false
        HasOneSource | true
        IsASource    | true
    }

    def "does not hold strong reference"() {

        systemHelper.setupAdminHtmlData(this, runtime);

        final Boolean editable = getUserBean()
                .map(user -> user.hasRoles(fessConfig.getAuthenticationAdminRolesAsArray()) || user.hasRole(getActionRole())).orElse(false);
        runtime.registerData("editable", editable);
        runtime.registerData("editableClass", editable ? StringUtil.EMPTY : "disabled");

                    .filter(Predicates.notNull());
        } catch (ExecutionException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    public boolean hasRules(Class<?> container) {
        return !Iterables.isEmpty(getDeclaredSources(container));
    }

    private boolean isRuleSource(Class<?> clazz) {
        return RuleSource.class.isAssignableFrom(clazz);
    }

        if (cached != null
                // if the POM has no file, we cached a missing artifact, only return the cached data if no update forced
                && (!request.isForceUpdate() || hasFile(cached.getPomArtifact()))) {
            return cached;
        }

        List<Dependency> dependencies;

        List<Dependency> managedDependencies = null;

        }

        @Override
        public void create(Collection<ComponentResolvers> resolvers, LocalComponentRegistry localComponentRegistry) {
            if (vcsResolver.hasRules()) {
                resolvers.add(new VcsDependencyResolver(
                    localComponentRegistry, vcsResolver, versionControlSystemFactory,
                    buildRegistry, workingDirResolver, publicBuildPath

                || dependencySubstitutions.rulesMayAddProjectDependency()
                || useGlobalDependencySubstitutionRules.get() && globalDependencySubstitutionRules.rulesMayAddProjectDependency()
                || vcsResolver.hasRules();
    }

    @Override
    public DefaultResolutionStrategy setForcedModules(Object... moduleVersionSelectorNotations) {
        mutationValidator.validateMutation(STRATEGY);
        this.forcedModules.clear();

// Kubernetes core has informer factories with very similar logic. However, this has a few problems that
// spurred a fork:
// * Factories are per package. That means we have ~6 distinct factories, which makes management a hassle.
// * Across these, the factories are often inconsistent in functionality. Changes to these takes >4 months.
// * Lack of functionality we want (see below).
//
// Added functionality: