import { DataOptionType } from '../propsType';
export type StorageType = 'localStorage' | 'sessionStorage' | 'indexedDB';
export declare const baseCacheKey = "zat-design-pro-component-cacheKey";
/** v4 默认存储类型 */
export declare const baseStorage: StorageType;
/** 模块级内存缓存，key 为 cacheKey，替代原单例 baseEnumStorage 变量 */
export declare const enumMemoryCache: Map<string, any>;
interface EnumRes {
    data: Record<string, DataOptionType[]>;
    [key: string]: any;
}
/**
 * 获取枚举数据
 * @param storage
 * @param cacheKey
 * @returns
 */
export declare function getEnumData(storage: StorageType, cacheKey: string): EnumRes | Promise<EnumRes>;
/**
 * 设置枚举数据
 * @param storage
 * @param cacheKey
 * @param data
 */
export declare function setEnumData(storage: StorageType, cacheKey: string, data: any): void | Promise<void>;
/**
 * 删除枚举缓存数据
 * @param storage
 * @param cacheKey
 */
export declare function removeEnumData(storage: StorageType, cacheKey: string): Promise<void>;
/**
 * 从内存缓存或同步存储中同步读取枚举数据，不触发任何异步 I/O。
 * - 内存缓存命中时直接返回
 * - localStorage/sessionStorage 同步读取并预热内存缓存
 * - indexedDB 未命中时返回 undefined（需异步兜底）
 */
export declare function getEnumDataSync(storage: StorageType, cacheKey: string): EnumRes | undefined;
/**
 * 判断枚举列表是否存在
 * @param storage
 * @param cacheKey
 * @param code
 * @returns
 */
export declare function hasEnumList(storage: StorageType, cacheKey: any, code: string): false | DataOptionType[];
/**
 * 判断是否是对象
 * @param obj
 * @returns
 */
export declare function isObject(obj: any): boolean;
/**
 * 合并枚举数据
 * @param storage
 * @param code
 * @param cacheKey
 * @param responseData
 */
export declare function mergeCacheData(storage: string, code: string, cacheKey: string, responseData: any): Promise<void>;
/**
 * diff code 差异
 * @param cacheCodes
 * @param codes
 * @returns
 */
export declare function diffCode(cacheCodes: string[], codes: string[]): boolean;
/**
 * 缓存fieldNames制定的值
 * @param fieldNames 保留映射值
 * @param dataSource 需要筛选的数据源
 * @returns {}
 */
export declare function cacheFieldNames(fieldNames: {
    [key: string]: string;
}, dataSource: {
    [key: string]: any;
}): any;
export {};