/// <reference types="react" />
import { SlotSpec } from '@sunmao-ui/core';
export declare const useStateValue: <T, TMethods = any, TSlots extends Record<string, SlotSpec> = Record<string, SlotSpec>>(defaultValue: T, mergeState?: ((partialState: Partial<Record<string, T>>) => void) | undefined, updateWhenDefaultValueChanges?: boolean | undefined, key?: string, cb?: (() => void) | undefined) => [T, import("react").Dispatch<import("react").SetStateAction<T>>];