import type Relay from "@relaymessenger/sdk";
import { type RelayWebhookEvent } from "@relaymessenger/sdk";
export interface ListenIO {
    stdout(value: string): void;
    stderr(value: string): void;
}
export interface ListenOptions {
    /** A loopback address to POST each event to. Required for `listen`;
     * optional for the older `events listen`, which prints when it is absent. */
    forwardTo?: string;
    /** The `whsec_` secret each forward is signed with, exactly the way a
     * deployed Relay webhook is signed. Required whenever `forwardTo` is set. */
    secret?: string;
    /** How to show each event on stdout: the raw JSON envelope (`events
     * listen`) or the one-line form `watch` prints (`listen`). */
    render?: (event: RelayWebhookEvent) => string;
    signal?: AbortSignal;
    fetch?: typeof fetch;
}
export declare const listenForAgentEvents: (client: Relay, options: ListenOptions, io: ListenIO) => Promise<void>;
//# sourceMappingURL=event-listen.d.ts.map