@abstractmethod
    def get_position(self, scheme, state_scheme=None):
Return the resource corresponding to a single group.
dataset/ETHPy150Open uwescience/raco/raco/expression/expression.py/AttributeRef.get_position--crossover with--dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/zendesk/service.py/Zendesk.group