assertEmpty(options.getSourceNames());
        assertEmpty(options.getOptionFiles());
        // standard doclet options
        assertNull(options.getDestinationDirectory());
        assertFalse(options.isUse());
        assertFalse(options.isVersion());
        assertFalse(options.isAuthor());
        assertFalse(options.isSplitIndex());
        assertNull(options.getWindowTitle());
        assertNull(options.getDocTitle());

        } catch (IOException ex) {
            throw new UncheckedIOException(ex);
        }
        getAntGroovydoc().execute(
            getSource(), destinationDir, isUse(), isNoTimestamp(), isNoVersionStamp(),
            getWindowTitle(), getDocTitle(), getHeader(), getFooter(), getPathToOverview(),
            getAccess().get(), getLinks(), getGroovyClasspath(), getClasspath(),

     * <p>
     * You can access the generated "Use" page by first going to the class or package,
     * then clicking on the "Use" link in the navigation bar.
     */
    @Input
    public boolean isUse() {
        return use.getValue();
    }

    public void setUse(boolean use) {
        this.use.setValue(use);
    }

    public StandardJavadocDocletOptions use(boolean use) {
        setUse(use);