import type { StateTree } from 'pinia';
type MaybePromise<T> = T | Promise<T>;
export interface Storage {
    getItem: (key: string) => MaybePromise<string | object | null>;
    setItem: (key: string, value: string) => MaybePromise<any>;
    removeItem: (key: string) => MaybePromise<any>;
}
export interface PersistOptions<S extends StateTree = StateTree> {
    key?: string | Record<keyof S, string> | Record<string, string>;
    debug?: boolean;
    overwrite?: boolean;
    clientOnly?: boolean;
    storage?: Storage;
    filter?: (mutation: any, state: S) => boolean;
    serialize?: (state: Partial<S>) => string;
    deserialize?: (state: string) => Partial<S>;
    deepCopy?: boolean;
    include?: string | string[];
    exclude?: string | string[];
}
export interface GlobalPersistOptions<S extends StateTree = StateTree> extends Omit<PersistOptions<S>, 'key' | 'include' | 'exclude'> {
    key?: string;
}
declare module 'pinia' {
    interface PiniaCustomProperties {
        $persist: () => MaybePromise<void>;
        $restore: () => MaybePromise<void>;
    }
    interface DefineStoreOptionsBase<S extends StateTree, Store> {
        persist?: boolean | PersistOptions<S> | Omit<PersistOptions<S>, 'overwrite'>[];
    }
}
export {};