import { HttpResponseOK } from '../http';
/**
 * Util function to render a template. Minimalist built-in template engine for FoalTS.
 *
 * renderToString('Hello {{ name }}!', { name: 'Mary' }) returns 'Hello Mary!'
 *
 * @export
 * @param {string} template - The template.
 * @param {any} locals - The variables required by the template.
 * @returns {string} The rendered template.
 */
export declare function renderToString(template: string, locals: any): string;
/**
 * Render a template in a new HttpResponseOK object.
 *
 * The template engine is specified using the configuration key `settings.templateEngine`.
 *
 * @export
 * @param {string} templatePath - The path of the template.
 * @param {object} locals - The variables used to render the template.
 * @param {string} [dirname] - The directory name where the templated is located.
 * The passed value is usually `__dirname`. The function then joins `dirname` and
 * `templatePath` together.
 * @returns {Promise<HttpResponseOK>}
 */
export declare function render(templatePath: string, locals?: object, dirname?: string): Promise<HttpResponseOK>;