code: @Value("${http.timeout}")
      @SuppressWarnings("static-method")
      public void setDefaultHttpTimeout(int httpTimeout) {
          HttpUtil.defaultHttpTimeout = httpTimeout;
          HttpUtil.httpTimeout = httpTimeout;
      }
docs: Note: The value annotation is set to the setter of httpTimeout here as
  we can't autowire any value to its static field (but the field has to be
  static itself).
  
  @param httpTimeout the httpTimeout to set