import type { Ref } from 'vue';
type State = Record<string, unknown>;
type Action = {
    type: string;
};
type Dispatch<A extends Action> = (action: A) => void;
type Reducer<S extends State, A extends Action> = (state: S, action: A) => S;
type ReturnValue<S extends State, A extends Action> = [Ref<S>, Dispatch<A>];
export declare function useReducer<S extends State, A extends Action>(reducer: Reducer<S, A>, initialState: S): ReturnValue<S, A>;
export {};