Method setResponseHeaders

packages/cli/src/util/dev/server.ts:1462–1477

* Sets the response `headers` including the platform headers to `res`.

(
    res: http.ServerResponse,
    requestId: string,
    headers: http.OutgoingHttpHeaders = {}
  )

   * Sets the response `headers` including the platform headers to `res`.
   */
  setResponseHeaders(
    res: http.ServerResponse,
    requestId: string,
    headers: http.OutgoingHttpHeaders = {}
  ): void {
    const allHeaders = {
      'cache-control': 'public, max-age=0, must-revalidate',
      ...headers,
      server: 'Vercel',
      'x-vercel-id': requestId,
      'x-vercel-cache': 'MISS',
    };
    for (const [name, value] of Object.entries(allHeaders)) {
      res.setHeader(name, value);
    }
  }

  private prepareTransforms(
    req: http.IncomingMessage,