fun run() {
        val formBody = FormBody.Builder()
            .add("search", "Jurassic Park")
            .build()
        val request = Request.Builder()
            .url("https://en.wikipedia.org/w/index.php")
            .post(formBody)
            .build()

        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")