/**
 * Returns the given string after cleaning it. The goal of the clean is to give
 * more convenient results when comparing it to potential search results, on
 * which the clean should also be called before comparing them.
 *
 * @param {string} searchTerm
 * @returns {string}
 */
export function cleanSearchTerm(searchTerm: string): string;
/**
 * Returns whether the given event has been handled with the given markName.
 *
 * @param {Event} ev
 * @param {string} markName
 * @returns {boolean}
 */
export function isEventHandled(ev: Event, markName: string): boolean;
/**
 * Marks the given event as handled by the given markName. Useful to allow
 * handlers in the propagation chain to make a decision based on what has
 * already been done.
 *
 * @param {Event} ev
 * @param {string} markName
 */
export function markEventHandled(ev: Event, markName: string): void;
/**
 * Wait a task tick, so that anything in micro-task queue that can be processed
 * is processed.
 */
export function nextTick(): Promise<void>;