import { Observable } from 'rxjs';
import { ElementRef } from '@angular/core';
import { DocumentRef } from '@bespunky/angular-zen';
import { KeyboardFeedConfig } from '../feeds/keyboard-feed-config';
import * as i0 from "@angular/core";
export declare class ReactiveKeyboardService {
    keydown(element: ElementRef | DocumentRef, config?: KeyboardFeedConfig): Observable<KeyboardEvent>;
    keyup(element: ElementRef | DocumentRef, config?: KeyboardFeedConfig): Observable<KeyboardEvent>;
    keypress(element: ElementRef | DocumentRef, config?: KeyboardFeedConfig): Observable<KeyboardEvent>;
    private key;
    static ɵfac: i0.ɵɵFactoryDeclaration<ReactiveKeyboardService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ReactiveKeyboardService>;
}