import { MatSnackBar } from '@angular/material/snack-bar';
import * as i0 from "@angular/core";
export declare class MessageNotificaionService {
    private snackBar;
    constructor(snackBar: MatSnackBar);
    showSuccess(message: string, duration?: number): void;
    showError(message: string, duration?: number): void;
    showInfo(message: string, duration?: number): void;
    showWarning(message: string, duration?: number): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MessageNotificaionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MessageNotificaionService>;
}