import { EventEmitter, NgZone } from '@angular/core';
import * as i0 from "@angular/core";
export declare class NgDocHotkeyDirective {
    private readonly ngZone;
    hotkey?: Partial<KeyboardEvent>;
    callback: EventEmitter<void>;
    constructor(ngZone: NgZone);
    static ɵfac: i0.ɵɵFactoryDeclaration<NgDocHotkeyDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgDocHotkeyDirective, "[ngDocHotkey]", never, { "hotkey": { "alias": "ngDocHotkey"; "required": false; }; }, { "callback": "ngDocHotkey"; }, never, never, true, never>;
}