}

        @Override
        public Object getUserData(String key) {
            return null;
        }

        @Override
        public void setNodeValue(String nodeValue) {
            this.nodeValue = nodeValue;
        }

        @Override
        public short getNodeType() {
            return 0;
        }
    }

    private static class MockNamedNodeMap implements NamedNodeMap {

                    }
                    if (pair.length == 2) {
                        String sortValue = pair[1].trim();
                        if (StringUtil.isBlank(sortValue) || "score".equals(sortValue)) {
                            sortValue = "score.desc";
                        }
                        return new Pair<>(pair[0].trim(), sortValue);
                    }
                    return null;

		assert.ElementsMatch(t, expected, indexes)
	}

	uniqueIndex := &migrator.Index{TableName: table, NameValue: DB.Config.NamingStrategy.IndexName(table, "name"), ColumnList: []string{"name"}, PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true}, UniqueValue: sql.NullBool{Bool: true, Valid: true}}

import org.opensearch.common.document.DocumentField;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.settings.Settings.Builder;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.core.action.ActionListener;
import org.opensearch.core.action.ActionResponse;
import org.opensearch.core.rest.RestStatus;