/**
 * dispatch a CustomEvent from the host element which bubbles and is composed
 * @category Events
 * @param host the host element
 * @param event the event name
 * @param detail the CustomEvent detail
 * @param init CustomEventInit options to override the defaults (bubbles, composed)
 * @returns void
 */
export declare function emit<T>(host: Element, event: string, detail?: T, init?: CustomEventInit<any>): void;
/**
 * wrap an event handler to stop propagation
 * @category Events
 * @param handler - the event handler to wrap
 * @returns a new event handler that stops propagation
 */
export declare const stop: <H extends HTMLElement, T = any>(handler: (host: H, e: CustomEvent<T>) => void) => (host: H & HTMLElement, e: CustomEvent<T>) => void;
/**
 * wrap an event handler to prevent the default action
 * @category Events
 * @param handler - the event handler to wrap
 * @returns a new event handler that prevents the default action
 */
export declare const prevent: <H, T = any>(handler: (host: H, e: CustomEvent<T>) => void) => (host: H & HTMLElement, e: CustomEvent<T>) => void;