import { type TuiHorizontalDirection } from '@taiga-ui/core/types';
import * as i0 from "@angular/core";
import * as i1 from "./tabs.directive";
export declare class TuiTabsVertical {
    private readonly tabs;
    readonly vertical: import("@angular/core").InputSignal<TuiHorizontalDirection>;
    protected onKeyDownArrow(current: HTMLElement, step: number): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiTabsVertical, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiTabsVertical, "tui-tabs[vertical]", never, { "vertical": { "alias": "vertical"; "required": false; "isSignal": true; }; }, {}, never, never, true, [{ directive: typeof i1.TuiTabsDirective; inputs: { "activeItemIndex": "activeItemIndex"; "size": "size"; }; outputs: { "activeItemIndexChange": "activeItemIndexChange"; }; }]>;
}