'Fetch a PhoneNumberInstance
:param unicode country_code: The country_code
:param unicode type: The type
:param unicode add_ons: The add_ons
:param dict add_ons_data: The add_ons_data
:returns: Fetched PhoneNumberInstance
:rtype: twilio.rest.lookups.v1.phone_number.PhoneNumberInstance'

def fetch(self, country_code=values.unset, type=values.unset, add_ons=values.unset, add_ons_data=values.unset):

    return self._proxy.fetch(country_code=country_code, type=type, add_ons=add_ons, add_ons_data=add_ons_data)
