/**
     * The runtime classpath of the source code to be documented.
     */
    public abstract ConfigurableFileCollection getClasspath();

    /**
     * A working directory to be used to stage documentation as its generated.
     * All of the sections of the documentation have working directories off of this one.
     */
    public abstract DirectoryProperty getStagingRoot();

    /**

    }

    private void addCssToHead(Document document) {
        appendFileContentsTo(document.head(), "<style>", baseCss, "</style>");
        appendFileContentsTo(document.head(), "<style>", releaseNotesCss, "</style>");
    }

    private void appendFileContentsTo(Element element, String open, File file, String close) {
        try (FileReader reader = new FileReader(file)) {

    /**
     * Resources to include with the generated documentation.
     */
    public abstract ConfigurableFileCollection getResources();

    /**
     * Location to stage the intermediate documentation. This is like a working directory.
     */
    public abstract DirectoryProperty getStagingRoot();

    public abstract RegularFileProperty getGeneratedMetaDataFile();

    /**

    public enum Style { Javadoc, Dsldoc }

    private final Style style;
    private final String displayName;
    private final String urlFragment;

    public LinkMetaData(Style style, String displayName, String urlFragment) {
        this.style = style;
        this.displayName = displayName;
        this.urlFragment = urlFragment;
    }

    public Style getStyle() {
        return style;
    }

    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getBaseCssFile();

    /**
     * Key-value pairs that are replaced in the generated HTML.
     *
     * This uses Ant style replacement tokens.
     */
    @Input
    public abstract MapProperty<String, String> getReplacementTokens();

    @Inject
    protected abstract FileSystemOperations getFs();

    @TaskAction