import * as i0 from "@angular/core";
export declare class MessageService {
    info(message: string, title?: string, options?: any): any;
    success(message: string, title?: string, options?: any): any;
    warn(message: string, title?: string, options?: any): any;
    error(message: string, title?: string, options?: any): any;
    confirm(message: string, title?: string, callback?: (result: boolean, info?: any) => void, options?: any): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<MessageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MessageService>;
}