@classmethod
    def _new_section(cls, _parent, _level):
        return dict()
Called right before committing a database transaction.  This is called
dataset/ETHPy150Open duerrp/pyexperiment/pyexperiment/utils/HierarchicalMapping.py/HierarchicalDict._new_section--crossover with--dataset/ETHPy150Open sassoftware/conary/conary/callbacks.py/UpdateCallback.committingTransaction