@classmethod<EOL><INDENT>def export(cls, revision, path):<DEDENT>
raise NotImplementedError<EOL>
Export the repository to the given path at the given revision.

        Note:
            The directory at `path` must not exist, but the parent directory
            must exist.

        Args:
            revision (object): Revision to export; current revision if None.
            path (str): Directory to export the repository to.