import { MatSnackBar } from '@angular/material/snack-bar';
import * as i0 from "@angular/core";
export declare class NotificationService {
    snackBar: MatSnackBar;
    constructor(snackBar: MatSnackBar);
    openNotification(message: string, action?: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NotificationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NotificationService>;
}