Schema or a list of schemas describing particular elements of the object.

        A single schema applies to all the elements. Each element of the object
        must match that schema. A list of schemas describes particular elements
        of the object.

def items(self):
        """
        Schema or a list of schemas describing particular elements of the object.

        A single schema applies to all the elements. Each element of the object
        must match that schema. A list of schemas describes particular elements
        of the object.
        """
        value = self._schema.get("items", {})
        if not isinstance(value, (list, dict)):
            raise SchemaError(
                "items value {0!r} is neither a list nor an object".
                format(value))
        return value