code: public static OkHttpClient newOkHttpClient(HttpClientConfiguration configuration, EmbeddedServer<?> server) {
  		okhttp3.OkHttpClient client = new okhttp3.OkHttpClient.Builder()
  			.followRedirects(configuration.isFollowRedirect())
  			.build();
  
  		return new OkHttpClient(configuration, server, client);
  	}
docs: Create new http client using custom configuration.
  
  @param configuration Client configuration.
  @param server Embedded server.
  @return Http client.
  @throws NullPointerException If {@code server} or {@code configuration} are {@code null}.