import { Message } from "./messages";
/**
 * Convert any JS object or value to a base64 representation of it
 */
export declare const jsonToBase64: (json: any) => string;
/**
 * Convert the base64 representation of a JS object or value to its JS representation
 * @dev This is the reverse of `jsonToBase64` and is not expected to work with other base64 formats
 */
export declare const base64ToJson: (base64: string) => any;
export declare const createMessage: <M extends Message>(type: M["type"], payload: M["payload"]) => Message;