import * as i0 from "@angular/core";
export declare class CowingCoreService {
    appVersion: string;
    menuOptions: any[];
    static instance: CowingCoreService;
    constructor();
    setAppVersion(appVersion: string): void;
    getAppVersion(): string;
    setNavMenuOptions(options: any): void;
    getNavMenuOptions(): any[];
    static ɵfac: i0.ɵɵFactoryDef<CowingCoreService, never>;
    static ɵprov: i0.ɵɵInjectableDef<CowingCoreService>;
}