try (Response response = client.newCall(request).execute()) {
      // Deserialize HTTP response to concrete type.
      ResponseBody body = response.body();
      List<Contributor> contributors = CONTRIBUTORS_JSON_ADAPTER.fromJson(body.source());

      // Sort list by the most contributions.
      Collections.sort(contributors, (c1, c2) -> c2.contributions - c1.contributions);

      // Output list of contributors.