/**
 * Webhook Middleware
 *
 * HTTP middleware for Harper's scope.server.http() that routes
 * /webhooks/<kbId>/<provider>/<secret> requests to the appropriate
 * webhook handler after validating the per-KB secret.
 */
import type { Scope, HarperRequest } from '../types.ts';
/**
 * Create a webhook middleware function for Harper's scope.server.http().
 *
 * URL format: /webhooks/<kbId>/<provider>/<secret>
 *
 * The secret is validated against the WebhookEndpoint table for the
 * given KB and provider. The same secret is used to verify the GitHub
 * HMAC payload signature.
 */
export declare function createWebhookMiddleware(scope: Scope): (request: HarperRequest, next: (req: HarperRequest) => Promise<unknown>) => Promise<unknown>;
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