export declare class NotificationService {
    constructor();
    error(message: string, title?: string, override?: Object): void;
    info(message: string, title?: string, override?: Object): void;
    success(message: string, title?: string, override?: Object): void;
    warning(message: string, title?: string, override?: Object): void;
    private notify(method, message?, title?, override?);
}
