import * as i0 from "@angular/core";
export declare class TabsService {
    readonly activeItem: import("@angular/core").WritableSignal<any>;
    readonly activeItemKey: import("@angular/core").WritableSignal<string | number | undefined>;
    readonly id: import("@angular/core").WritableSignal<string | number | undefined>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TabsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TabsService>;
}