Add/Store an object to this region at the given offset.

        :param start:
        :param obj:
        :param int object_size: Size of the object
        :return:

def add_object(self, start, obj, object_size):
        """
        Add/Store an object to this region at the given offset.

        :param start:
        :param obj:
        :param int object_size: Size of the object
        :return:
        """

        self._store(start, obj, object_size, overwrite=False)