docs: def dict(self):
          """A dict that holds key/values for all of the properties in the
          object.
  
          :return:
  
          """
          from collections import OrderedDict
          SKIP_KEYS = ()
          return OrderedDict(
              (p.key, getattr(self, p.key)) for p in self.__mapper__.attrs if p.key not in SKIP_KEYS)