def hosted_numbers(self):
        """
        :returns: Version hosted_numbers of preview
        :rtype: twilio.rest.preview.hosted_numbers.HostedNumbers
        """
        if self._hosted_numbers is None:
            self._hosted_numbers = HostedNumbers(self)
        return self._hosted_numbers
def hosted_numbers ( self ) : if self . _hosted_numbers is None : self . _hosted_numbers = HostedNumbers ( self ) return self . _hosted_numbers
:returns: Version hosted_numbers of preview
        :rtype: twilio.rest.preview.hosted_numbers.HostedNumbers