import { Plugin } from 'vuex';
declare type ActionType<Mutation extends string> = Mutation | {
    type: Mutation;
    serialize(v: any): string;
    deserialize(s: string): any;
};
/**
 * 持久化
 */
export declare class VuexPersistence<Mutation extends string = string, RS = any> {
    private namespace;
    private watchType;
    constructor(namespace?: string);
    watch(watchType: ActionType<Mutation>[]): Plugin<RS>;
    /**
   * 从持久化化中获取上次监听的一个值
   * @param type 监听的action类型
   */
    get(type: Mutation): {
        /**
         * 给从被获取失败时增加一个默认值
         * @param defaultVal 默认值
         * @param mergeIfObject 为true时合并对象，在不同版本之间升级时类型改变，可以通过获取到旧的通通同时，让缺失的字段使用新的默认值
         * @returns 处理的结果
         */
        or: <T>(defaultVal: T, mergeIfObject?: boolean) => T;
        serializeVal: string | null;
    };
    private set;
    private getStorageName;
    private getConf;
}
export {};