`<http://www.elastic.co/guide/en/migration/current/migration-api-deprecation.html>`_

        :arg index: Index pattern

def info(self, index=None, params=None):
        """
        `<http://www.elastic.co/guide/en/migration/current/migration-api-deprecation.html>`_

        :arg index: Index pattern
        """
        return self.transport.perform_request(
            "GET",
            _make_path(index, "_xpack", "migration", "deprecations"),
            params=params,
        )