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node_modules/next/dist/experimental/testing/server/config-testing-utils.d.ts

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+import type { IncomingHttpHeaders } from 'node:http';
+import type { NextConfig } from '../../../server/config-shared';
+import { NextResponse } from '../../../server/web/exports';
+/**
+ * Tests the logic of `headers`, `redirects`, and `rewrites` in `next.config.js`.
+ * Given the provided next config, this function will return a `NextResponse`
+ * with the result of running the request through the custom routes.
+ *
+ * @example Test whether a given URL results in a redirect.
+ * ```
+ * import { unstable_getResponseFromNextConfig, getRedirectUrl } from 'next/server/testing'
+ * const response = await unstable_getResponseFromNextConfig({
+ *   url: 'https://nextjs.org/test',
+ *   nextConfig: {
+ *    async redirects() {
+ *     return [
+ *       { source: '/test', destination: '/test2', permanent: false },
+ *     ]
+ *    },
+ *   }
+ * });
+ * expect(response.status).toEqual(307);
+ * expect(getRedirectUrl(response)).toEqual('https://nextjs.org/test2');
+ * ```
+ */
+export declare function unstable_getResponseFromNextConfig({ url, nextConfig, headers, cookies, }: {
+    url: string;
+    nextConfig: NextConfig;
+    headers?: IncomingHttpHeaders;
+    cookies?: Record<string, string>;
+}): Promise<NextResponse>;