switch apiFunction {
		case "PostPolicy":
			// Register PostPolicy handler.
			bucket.Methods(http.MethodPost).HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(api.PostPolicyBucketHandler)
		case "HeadObject":
			// Register HeadObject handler.
			bucket.Methods("Head").Path("/{object:.+}").HandlerFunc(api.HeadObjectHandler)
		case "GetObject":
			// Register GetObject handler.

    }

    private void applyConventions(Project project, TaskContainer tasks, ObjectFactory objects, ProjectLayout layout, GradleDocumentationExtension extension) {

        TaskProvider<Sync> stageDocs = tasks.register("stageDocs", Sync.class, task -> {
            // release notes goes in the root of the docs
            task.from(extension.getReleaseNotes().getRenderedDocumentation());

     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "fileAuthenticationItems",
                fileAuthenticationService.getFileAuthenticationList(fileAuthenticationPager)); // page navi
        RenderDataUtil.register(data, "displayCreateLink", !crawlingConfigHelper.getAllFileConfigList(false, false, false, null).isEmpty());
        // restore from pager

     * @param form the search form containing current search criteria
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "searchLogItems", searchLogService.getSearchLogList(searchLogPager)); // page navi

        // restore from pager
        copyBeanToBean(searchLogPager, form, op -> op.include(CONDITION_FIELDS));
    }

 *   It is similar to a Promise in JavaScript.
 *   It allows you to register callbacks that will be executed when the computation is complete,
 *   either successfully (resolve) or with an error (reject).
 * </p>
 *
 * <p>
 *   The Deferred class has a Promise inner class that allows you to register callbacks
 *   to be executed when the computation is complete.

            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidAggregationCollection(String name, Collection<?> values) {
        if (values == null || values.isEmpty()) {

     *
     * @param data the render data
     * @param form the search form
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "keyMatchItems", keyMatchService.getKeyMatchList(keyMatchPager)); // page navi

        // restore from pager
        copyBeanToBean(keyMatchPager, form, op -> op.include("term", "query"));
    }

     */
    protected void registerRolesAndLabels(final RenderData data) {
        RenderDataUtil.register(data, "labelSettingEnabled", fessConfig.isFormAdminLabelInConfigEnabled());
        RenderDataUtil.register(data, "roleTypeItems", roleTypeService.getRoleTypeList());
        RenderDataUtil.register(data, "labelTypeItems", labelTypeService.getLabelTypeList());
    }

    }

    private static void wireInArtificialSourceSet(Project project, GradleDocumentationExtension extension) {
        TaskProvider<GradleKotlinDslRuntimeGeneratedSources> runtimeExtensions = project.getTasks()
            .register("gradleKotlinDslRuntimeGeneratedSources", GradleKotlinDslRuntimeGeneratedSources.class, task -> {
                task.getGeneratedSources().set(project.getLayout().getBuildDirectory().dir("gradle-kotlin-dsl-extensions/sources"));

     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "requestHeaderItems", requestHeaderService.getRequestHeaderList(reqHeaderPager)); // page navi
        RenderDataUtil.register(data, "displayCreateLink", !crawlingConfigHelper.getAllWebConfigList(false, false, false, null).isEmpty());

        // restore from pager