code: public static Post post(String url, byte[] content, int connectTimeout, int readTimeout) {
  
          try {
              return new Post(url, content, connectTimeout, readTimeout);
          } catch (Exception e) {
              throw new HttpException("Failed URL: " + url, e);
          }
      }
docs: Executes a POST request.
  
  @param url            url of resource.
  @param content        content to be posted.
  @param connectTimeout connection timeout in milliseconds.
  @param readTimeout    read timeout in milliseconds.
  @return {@link Post} object.