import { BaseChannel } from './index';
export interface WebhookConfig {
    port?: number;
    path?: string;
    secret?: string;
    retryAttempts?: number;
    retryDelayMs?: number;
    outgoing?: WebhookOutgoing[];
}
export interface WebhookOutgoing {
    name: string;
    url: string;
    secret?: string;
    events: string[];
}
export interface WebhookPayload {
    event: string;
    data: unknown;
    timestamp: number;
    id: string;
}
export declare class WebhookChannel extends BaseChannel {
    type: string;
    private config;
    private server;
    private logger;
    private outgoing;
    constructor(config?: WebhookConfig);
    start(): Promise<void>;
    stop(): Promise<void>;
    /** Send a webhook to outgoing endpoints */
    send(event: string, data: unknown): Promise<void>;
    private sendWithRetry;
    private httpPost;
    private readBody;
    verifySignature(body: string, signature: string, secret: string): boolean;
    createSignature(body: string, secret: string): string;
    addOutgoing(outgoing: WebhookOutgoing): void;
}
//# sourceMappingURL=webhook.d.ts.map