code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return AvailablePhoneNumberCountryInstance(
              self._version,
              payload,
              account_sid=self._solution['account_sid'],
              country_code=self._solution['country_code'],
          )
docs: Fetch a AvailablePhoneNumberCountryInstance
  
          :returns: Fetched AvailablePhoneNumberCountryInstance
          :rtype: twilio.rest.api.v2010.account.available_phone_number.AvailablePhoneNumberCountryInstance