export declare class RandomHelper {
    /**
     * Client
     * @param prefix xaim
     * @returns string
     */
    static clientUUID(prefix?: string): string;
    /**
     * url
     * @param prefix xbot
     * @returns string
     */
    static createChatid(prefix?: string): string;
    /**
     * random base time
     * @returns reqid string
     */
    static createReqid(prefix?: string): string;
    /**
     *
     * @returns string
     */
    static createMsgid(): string;
}