'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'

def __init__(self, version, sid):

    super(AvailableAddOnContext, self).__init__(version)
    self._solution = {'sid': sid}
    self._uri = '/AvailableAddOns/{sid}'.format(**self._solution)
    self._extensions = None
