import type { Dispatch, SetStateAction } from 'react';
export declare const inMemoryData: Map<string, unknown>;
export type LocalStorageOptions<T> = {
    defaultValue?: T | (() => T);
    defaultServerValue?: T | (() => T);
    storageSync?: boolean;
    serializer?: {
        stringify: (value: unknown) => string;
        parse: (value: string) => unknown;
    };
};
export type LocalStorageState<T> = [
    T,
    Dispatch<SetStateAction<T>>,
    {
        isPersistent: boolean;
        removeItem: () => void;
    }
];
export default function useLocalStorageState(key: string, options?: LocalStorageOptions<undefined>): LocalStorageState<unknown>;
export default function useLocalStorageState<T>(key: string, options?: Omit<LocalStorageOptions<T | undefined>, 'defaultValue'>): LocalStorageState<T | undefined>;
export default function useLocalStorageState<T>(key: string, options?: LocalStorageOptions<T>): LocalStorageState<T>;