def __init__(self, twilio):
super(Preview, self).__init__(twilio)<EOL>self.base_url = '<STR_LIT>'<EOL>self._bulk_exports = None<EOL>self._deployed_devices = None<EOL>self._hosted_numbers = None<EOL>self._marketplace = None<EOL>self._acc_security = None<EOL>self._sync = None<EOL>self._understand = None<EOL>self._wireless = None<EOL>
Initialize the Preview Domain

:returns: Domain for Preview
:rtype: twilio.rest.preview.Preview