export declare const BASE58_ALPHABET_SEED = "123456789abcdefjhijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ";
export declare const REQID_ALPHABET_SEED = "0123456789abcdefghijkmnpqrstuvwxyz._";
export declare const COMMON_ALPHABET_SEED = "123456789fghijkmnpqrstuvwxyzACDEFGHJMNPQRSTUVWXYZ-_";
export declare const CHAT_MESSAGEID_SEED = "123456789fghijkmnpqrstuvwxyzACDEFGHJMNPQRSTUVWXYZ.$";
export declare function createRequestId(): string;
/**
 *
 * @param len min 6 max 40
 * @returns string
 */
export declare function createBase58RandomId(len?: number): string;
/**
 *
 * @param prefix
 * @returns
 */
export declare function createClientId(prefix?: string): string;
/**
 *
 * @param prefix
 * @returns
 */
export declare function createChatid(prefix?: string): string;
/**
 * chat message id
 * @param len
 * @param uuid
 * @returns
 */
export declare function createChatMessageId(len?: number, uuid?: number): string;