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这里是没有开场白的Nomen，加了DataStorage怎么能不看看呢？也许是什么数据缓存？

或者LocalStorage？

declare type DB_ERROR_STATUS = 'PARAMS_INVALID' | 'DB_NAME_INVALID' | 'KEY_INVALID' | 'VALUE_INVALID' | 'SERVER_FETCH_ERROR' | 'UNKNOWN';
declare class GameStorage {
    getDataStorage: (key: string) => GameDataStorage;
    constructor(getDataStorage: (key: string) => GameDataStorage);
}
declare type JSONValue = string | number | boolean | {
    [x: string]: JSONValue;
} | Array<JSONValue>;
declare type ResultValue = {
    key: string;
    value: JSONValue;
    version: string;
    updateTime: number;
    createTime: number;
};
declare type ListReturnValue = {
    items: ResultValue[];
    isLastPage: boolean;
};
declare type ReturnValue = ResultValue | undefined;
declare type ListPageOptions = {
    cursor: number;
    pageSize?: number;
};
/**
 *
 * A Data storage class
 * @export
 * @class GameDataStorage
 */
declare class GameDataStorage {
    readonly key: string;
    set: (key: string, value: JSONValue) => Promise<void>;
    update: (key: string, handler: (prevValue: ReturnValue) => JSONValue) => Promise<void>;
    get: (key: string) => Promise<ReturnValue>;
    getVersion: (key: string, version: string) => Promise<ReturnValue>;
    list: (options: ListPageOptions) => Promise<QueryList>;
    remove: (key: string) => Promise<ReturnValue>;
    constructor(key: string, set: (key: string, value: JSONValue) => Promise<void>, update: (key: string, handler: (prevValue: ReturnValue) => JSONValue) => Promise<void>, get: (key: string) => Promise<ReturnValue>, getVersion: (key: string, version: string) => Promise<ReturnValue>, list: (options: ListPageOptions) => Promise<QueryList>, remove: (key: string) => Promise<ReturnValue>);
}
declare class QueryList {
    getCurrentPage: () => ReturnValue[];
    nextPage: () => Promise<void>;
    isLastPage: boolean;
    constructor(getCurrentPage: () => ReturnValue[], nextPage: () => Promise<void>);
}