import org.opensearch.action.admin.indices.alias.Alias;
import org.opensearch.action.admin.indices.alias.IndicesAliasesRequestBuilder;
import org.opensearch.action.admin.indices.alias.get.GetAliasesResponse;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.get.GetIndexResponse;

import org.codelibs.fess.suggest.util.SuggestUtil;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction.AnalyzeToken;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.settings.get.GetSettingsResponse;
import org.opensearch.action.search.SearchResponse;

            try {
                empty = client.admin().indices().prepareGetMappings(actualIndex).execute().actionGet(settings.getIndicesTimeout())
                        .getMappings().isEmpty();
            } catch (final IndexNotFoundException e) {
                empty = true;
                final CreateIndexResponse response = client.admin().indices().prepareCreate(actualIndex)

            final String docIndex = fessConfig.getIndexDocumentUpdateIndex();
            searchEngineClient.admin().indices().prepareClose(docIndex).execute(ActionListener.wrap(res -> {
                logger.info("Close {}", docIndex);
                searchEngineClient.admin().indices().prepareOpen(docIndex).execute(

import org.opensearch.action.ActionRequest;
import org.opensearch.action.ActionType;
import org.opensearch.action.admin.cluster.health.ClusterHealthResponse;
import org.opensearch.action.admin.indices.segments.IndicesSegmentResponse;
import org.opensearch.action.admin.indices.segments.PitSegmentsRequest;
import org.opensearch.action.bulk.BulkRequest;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;

import org.opensearch.action.DocWriteResponse.Result;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.mapping.get.GetMappingsResponse;
import org.opensearch.action.admin.indices.refresh.RefreshResponse;
import org.opensearch.action.bulk.BulkItemResponse;

      input_nodes->insert({node, {idx}});
    } else {
      auto& indices = iter->second;
      if (std::find(indices.begin(), indices.end(), idx) != indices.end()) {
        return InvalidArgument("TF_Output ", node->name(), ":", idx,
                               " appears more than once in the input list");
      }
      indices.push_back(idx);
    }
  }
  return absl::OkStatus();
}

	res, err := c.Indices.ResolveIndex([]string{args.Index})
	if err != nil {
		return err
	}
	defer res.Body.Close()

	var v map[string]interface{}
	found := false
	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
		return fmt.Errorf("Error parsing response body: %v", err)
	}

	indices, ok := v["indices"].([]interface{})
	if ok {

            doIndexCreate = true;
            doCreate = true;
        }

        if (doCreate) {
            if (doIndexCreate) {
                try {
                    client.admin().indices().prepareCreate(settingsIndexName).setSettings(loadIndexSettings(), XContentType.JSON).execute()
                            .actionGet(getIndicesTimeout());
                } catch (final IOException e) {

    /**
     * Method merge.
     *
     * @param target
     * @param indices
     * @param source
     * @return InputLocation
     */
    public static InputLocation merge(
            InputLocation target, InputLocation source, java.util.Collection<Integer> indices) {
        if (source == null) {
            return target;
        } else if (target == null) {