}

    private void addTOC(Document document) {
        Element tocSection = document.body().select("section.topic").first().before("<section class='table-of-contents'/>").previousElementSibling();
        tocSection.append("<h2>Table Of Contents</h2>");
        Element toc = tocSection.append("<ul class='toc'/>").children().last();

        Elements h23elements = document.select("h2,h3");

        value.visitContents(child -> child.visitStructure(new FileCollectionStructureVisitor() {
            @Override
            public void visitCollection(Source source, Iterable<File> contents) {
                ImmutableSet<File> files = ImmutableSet.copyOf(contents);
                if (!files.isEmpty()) {
                    builder.add(new FileCollectionAdapter(new ListBackedFileSet(files), taskDependencyFactory, patternSetFactory));

                @Override
                public void visitCollection(FileCollectionInternal.Source source, Iterable<File> contents) {
                    contents.forEach(location -> taskInputs.add(location.getAbsolutePath()));
                }

                @Override

     *
     * @return the display name
     */
    String getDisplayName();

    /**
     * Appends diagnostic information about the contents of this collection to the given formatter.
     */
    TreeFormatter describeContents(TreeFormatter formatter);

    /**

    }

    public ResolutionHost resolutionHost(String displayName) {
        return new NameBackedResolutionHost(displayName);
    }

    /**
     * Presents the contents of the given artifacts as a partial {@link FileCollectionInternal} implementation.
     *
     * <p>This produces only a minimal implementation to use for artifact sets loaded from the configuration cache

            /**
             * Creates a set that selects the artifacts from this set that match the given criteria.
             * Implementations are lazy, so that the selection happens only when the contents are queried.
             *
             * @param dependencySpec Select only those artifacts reachable from first level dependencies that match the given spec.
             */

import java.io.IOException;

/**
 * A lossy attribute container serializer. It's lossy because it doesn't preserve the attribute
 * types: it will serialize the contents as strings, and read them as strings, only for reporting
 * purposes.
 */
@ServiceScope(Scope.BuildSession.class)

        } else if (isFileInfo(value)) {
            return invokeMethod(value, "getPath", String.class);
        } else {
            return value.toString();
        }
    }

    /**
     * Returns the contents of a {@code FileInfo} or null if the value is not a {@code FileInfo}.
     */
    @Nullable
    private static byte[] getContentsOrNull(@Nullable Object value) throws Exception {
        if (isFileInfo(value)) {

    public void renderSections() {
        contents.append("<div class=\"uk-container uk-container-expand\">\n")
            .append("        <ul uk-accordion>\n");
        boolean first = true;
        for (Section section : sections.values()) {
            if (first) {
                contents.append("            <li class=\"uk-open\">\n");
            } else {
                contents.append("            <li>\n");
            }

        expect:
        outputContains "Using local directory build cache for the root build (location = ${cacheDir}, removeUnusedEntriesAfter = 7 days)."
    }

    def "cache entry contains expected contents"() {
        buildFile << defineCacheableTask()
        when:
        withBuildCache().run("cacheable")
        then:
        def cacheKey = cacheOperations.getCacheKeyForTask(":cacheable")