RequestBody formBody = new FormBody.Builder()
        .add("search", "Jurassic Park")
        .build();
    Request request = new Request.Builder()
        .url("https://en.wikipedia.org/w/index.php")
        .post(formBody)
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

    /** The key of the message: Perl */
    public static final String LABELS_facet_filetype_perl = "{labels.facet_filetype_perl}";

    /** The key of the message: PHP */
    public static final String LABELS_facet_filetype_php = "{labels.facet_filetype_php}";

    /** The key of the message: Properties */
    public static final String LABELS_facet_filetype_properties = "{labels.facet_filetype_properties}";