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#
# 	http://www.apache.org/licenses/LICENSE-2.0
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from .utils import NamespacedClient, _make_path, query_params


class MigrationClient(NamespacedClient):
    @query_params()
    def deprecations(self, index=None, params=None, headers=None):
        """
        Retrieves information about different cluster, node, and index level settings
        that use deprecated features that will be removed or changed in the next major
        version.

        `<https://www.elastic.co/guide/en/elasticsearch/reference/7.13/migration-api-deprecation.html>`_

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