def load_from_stream(self, stream, container, **kwargs):
        """
        Load config from given file like object 'stream`.

        :param stream:  Config file or file like object
        :param container: callble to make a container object later
        :param kwargs: optional keyword parameters to be sanitized :: dict

        :return: Dict-like object holding config parameters
        """
        _not_implemented(self, stream, container, **kwargs)