import type { AddressInfo } from "node:net";
import type { WebhookBody } from "./types.js";
export interface WebhookServerArgs {
    path: string;
    verifyToken: string;
    appSecret: string;
    /** Called (async, after the 200 ack) with the parsed webhook body. */
    onEvent: (body: WebhookBody) => Promise<void>;
}
/** Owns the inbound webhook HTTP server: GET verify + signed POST intake. */
export declare class WebhookServer {
    private readonly args;
    private server;
    constructor(args: WebhookServerArgs);
    address(): AddressInfo | null;
    start(port: number): Promise<void>;
    stop(): Promise<void>;
    private handle;
    private handleVerify;
    private handlePost;
    private verifySignature;
}
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