import type { Emitter } from 'mitt';
import type { InjectionKey, Ref } from 'vue';
/**
 * Share part of the state of the component with all its children.
 */
export declare function useGroupStateProvide<TGroupState extends Record<string, Ref<unknown> | Emitter<any>>>(key: InjectionKey<TGroupState>, groupState: TGroupState): void;