code: public AdvancedInsightResponse getAdvancedNumberInsight(String number, String country) throws IOException, NexmoClientException {
          return getAdvancedNumberInsight(AdvancedInsightRequest.withNumberAndCountry(number, country));
      }
docs: Perform an Advanced Insight Request with a number and country.
  
  @param number  A single phone number that you need insight about in national or international format.
  @param country If a number does not have a country code or it is uncertain, set the two-character country code.
  
  @return A {@link AdvancedInsightResponse} representing the response from the Nexmo Number Insight API.
  
  @throws IOException          if a network error occurred contacting the Nexmo Nexmo Number Insight API.
  @throws NexmoClientException if there was a problem with the Nexmo request or response objects.