import { ConfigService } from '@nestjs/config';
/**
 * @description: 随机n位数字码
 * @param {*} digits
 */
export declare const randomNumCode: (digits?: number) => string;
/**
 * @description: 获取应用配置
 * @return ApplicationConfig
 */
export declare const getAppConfigByKey: <T = any>(configService: ConfigService, propertyPath: keyof ApplicationConfig) => T;
export declare const getAppConfigByKeyArr: <T = any>(configService: ConfigService, propertyPaths: (keyof ApplicationConfig)[]) => T;
export declare const keyOfRedisEmailCode: (email: string, code: string) => string;
export declare function md5(str: string): Promise<string>;
export declare const downloadRemoteFile: (url: string, dest: string) => Promise<unknown>;
export declare const paddingPath2Url: (data: any[], keys: string[]) => any[];
export declare function isInEnum<T>(value: any, inputEnum: T): boolean;
export declare function isNotInEnum<T>(value: any, inputEnum: T): boolean;