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#  the Apache License, Version 2.0 (the "License"); you may
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#  You may obtain a copy of the License at
#
# 	http://www.apache.org/licenses/LICENSE-2.0
#
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#  specific language governing permissions and limitations
#  under the License.

from .utils import NamespacedClient, query_params, _make_path


class MigrationClient(NamespacedClient):
    @query_params()
    async 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/7.9/migration-api-deprecation.html>`_

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