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 exists(self):
        collection = self.client.api.cm.shared.licensing.pools_s.get_collection(
            requests_params=dict(
                params="$filter=name+eq+'{0}'".format(self.want.name)
            )
        )
        if len(collection) == 1:
            return True
        elif len(collection) == 0:
            return False
        else:
            raise F5ModuleError(
                "Multiple license pools with the provided name were found!"
            )