code: public String post(final String path, final HttpContent content) throws IOException {
  		final GenericUrl url = getURL(path);
  		final HttpRequest request = requestFactory.buildPostRequest(url, content);
  		final HttpResponse response = request.execute();
  		return response.parseAsString();
  	}
docs: Performs a HTTP POST request to the given <tt>path</tt>
  relative to the internal target hostname.
  
  @param path Relative server path to perform request to.
  @param content POST content that will be sent.
  @return Response content of the performed request.
  @throws IOException If any error occurs while performing request.