def __init__(self, groups=None):
        super(GroupedRequirements, self).__init__(NamedRequirements)
        self.groups = groups or self.default_groups
        self.filename = None
        self.create_default_groups()
def update_on_device(self):
        collection = self.client.api.cm.shared.licensing.pools_s.get_collection(
            requests_params=dict(
                params="$filter=name+eq+'{0}'".format(self.want.name)
            )
        )
        resource = collection.pop()
        resource.modify(
            state='RELICENSE',
            method='AUTOMATIC'
        )
        return self._wait_for_license_pool_state_to_activate(resource)