@abstractmethod
    def get_versions(self, name):
        pass
Create `VecWrappers` for this `Group` and all below it in the
dataset/ETHPy150Open jessemyers/cheddar/cheddar/index/index.py/Index.get_versions--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/core/group.py/Group._setup_vectors