import type { CuiNullable } from '@cuby-ui/cdk';
import { CuiAbstractTabsService, CuiTabOptions } from '../tabs.options';
import * as i0 from "@angular/core";
export declare class CuiTabsServiceImpl extends CuiAbstractTabsService {
    private readonly tabsSignal;
    private readonly activeTabSignal;
    readonly tabs: import("@angular/core").Signal<CuiTabOptions[]>;
    readonly activeTab: import("@angular/core").Signal<CuiNullable<CuiTabOptions>>;
    set(tab: CuiTabOptions): void;
    addTab(tab: CuiTabOptions): void;
    removeTab(tabId: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CuiTabsServiceImpl, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CuiTabsServiceImpl>;
}