if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

        System.out.println("    Network: " + (response.networkResponse() != null));
        System.out.println();
      }
    }
  }

  public static void main(String... args) throws Exception {
    new RewriteResponseCacheControl(new File("RewriteResponseCacheControl.tmp")).run();
  }