def __getitem__(self, index):
        return self._children[index]
Get value for key: prefix+key, first look in localstore
dataset/ETHPy150Open flosch/simpleapi/example_project/client/python/sapi/message.py/MessageElement.__getitem__--crossover with--dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/storage.py/Storage.get_concat