import { PrimitiveAtom } from 'jotai';
export declare function useReducerAtom<Value, Action>(anAtom: PrimitiveAtom<Value>, reducer: (v: Value, a?: Action) => Value): [Value, (action?: Action) => void];
export declare function useReducerAtom<Value, Action>(anAtom: PrimitiveAtom<Value>, reducer: (v: Value, a: Action) => Value): [Value, (action: Action) => void];