import { ToastConfig } from './toast-config';
import { Overlay, OverlayRef } from '@angular/cdk/overlay';
import * as i0 from "@angular/core";
export declare class ToastService {
    private overlay;
    private toastInit;
    overlayRef: OverlayRef;
    constructor(overlay: Overlay, TOASTINIT: any);
    private removeElementsByClass;
    /**
     * open toast on screen
     * @param config config for toast
     * @returns
     */
    open(config: ToastConfig): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ToastService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ToastService>;
}