/**
 * Encodes a string so that it can be safely inserted as HTML text (for example
 * using `innerHTML`). Adapted from [mustache.js](
 * https://github.com/janl/mustache.js/blob/master/mustache.js#L73).
 * @param text Text to encode.
 * @returns Encoded text which can be safely inserted as HTML text.
 */
export declare function encodeHTML(text: string): string;