import * as i0 from "@angular/core";
/**
 * Doc: https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event
 *
 * The beforeunload event is fired when the window, the document and its resources
 * are about to be unloaded. The document is still visible and the event is still
 * cancelable at this point.
 */
export declare abstract class AbstractCanDeactivateComponent {
    abstract canDeactivate: boolean;
    unloadNotification($event: any): void;
    /**
     * Can deactivate changed on editor
     * @param activate - boolean
     */
    canDeactivateChanged(activate: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AbstractCanDeactivateComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AbstractCanDeactivateComponent, "ng-component", never, {}, {}, never, never, false, never>;
}