import { KitPlatformService } from '../kit-platform/kit-platform.service';
/**
 * Service for global events handling.
 *
 * ### Example
 *
 * Handle `esc` keydown globally:
 *
 * ```typescript
 * import { keyEscape, KitEventManagerService } from '@ngx-kit/core';
 * ...
 * constructor(private em: KitEventManagerService) {
 * }
 * ...
 * // subscribe
 * const escUnsub = this.em.listenGlobal('keydown', (event: KeyboardEvent) => {
 *   if (event.keyCode === keyEscape) {
 *     // do the job
 *   }
 * }, true);
 * ...
 * // unsubscribe
 * escUnsub();
 * ```
 */
export declare class KitEventManagerService {
    private platform;
    constructor(platform: KitPlatformService);
    /**
     * Listen event on the global root object.
     *
     * Reason: native Angular EventManager does not provide event listener with useCapture param.
     */
    listenGlobal(eventName: string, handler: Function, useCapture?: boolean): Function;
    /**
     * Get array of objects visited by event.
     */
    getEventPath(event: Event): EventTarget[];
}