/*!
 * devextreme-angular
 * Version: 19.1.16
 * Build date: Tue Oct 18 2022
 *
 * Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
 *
 * This software may be modified and distributed under the terms
 * of the MIT license. See the LICENSE file in the root of the project for details.
 *
 * https://github.com/DevExpress/devextreme-angular
 */
import { EventEmitter, NgZone } from '@angular/core';
import { DxComponent } from './component';
export declare class NgEventsStrategy {
    private instance;
    private subscriptions;
    private events;
    constructor(instance: any);
    hasEvent(name: string): boolean;
    fireEvent(name: any, args: any): void;
    on(name: any, handler: any): void;
    off(name: any, handler: any): void;
    dispose(): void;
    addEmitter(eventName: string, emitter: EventEmitter<any>): void;
    private getEmitter(eventName);
}
export declare class EmitterHelper {
    private zone;
    private component;
    lockedValueChangeEvent: boolean;
    constructor(zone: NgZone, component: DxComponent);
    fireNgEvent(eventName: string, eventArgs: any): void;
    createEmitters(events: any[]): void;
}