def __init__(self, version, sid):
super(AvailableAddOnContext, self).__init__(version)<EOL>self._solution = {'<STR_LIT>': sid, }<EOL>self._uri = '<STR_LIT>'.format(**self._solution)<EOL>self._extensions = None<EOL>
Initialize the AvailableAddOnContext

:param Version version: Version that contains the resource
:param sid: The unique Available Add-on Sid

:returns: twilio.rest.preview.marketplace.available_add_on.AvailableAddOnContext
:rtype: twilio.rest.preview.marketplace.available_add_on.AvailableAddOnContext