declare function setVersion(v: number): void;
/**
 * Send a script event, fragmenting JSON/text payload if needed. Optionally receive a response.
 * @param channel - The script-event channel to send to.
 * @param payload - The payload to send.
 * @param opts - Optional encoding and message ID.
 * @param callback - Optional callback to receive a response.
 */
declare function send(channel: string, payload: any, opts?: {
    encoding?: string;
    id?: string;
}, callback?: (response: any) => void): void;
/**
 * Subscribe to reassembled messages on a channel.
 * @param channel - The script-event channel to subscribe to.
 * @param cb - The callback to invoke when a message is received.
 */
declare function on(channel: string, cb: (payload: any, respond?: (resp: any) => void) => void): void;

export { on, send, setVersion };