def for_element(self, e: int | str) -> AbstractSetIntStr | MappingIntStrAny | None:
        """:param e: key or index of element on value
        :return: raw values for element if self._items is dict and contain needed element
        """
        item = self._items.get(e)  # type: ignore
        return item if not self.is_true(item) else None
:param e: key or index of element on value
        :return: raw values for element if self._items is dict and contain needed element
        
pydantic/_internal/_utils.py