}

    @Override
    public ActionFuture<FieldCapabilitiesResponse> fieldCaps(final FieldCapabilitiesRequest request) {
        return client.fieldCaps(request);
    }

    @Override
    public void fieldCaps(final FieldCapabilitiesRequest request, final ActionListener<FieldCapabilitiesResponse> listener) {
        client.fieldCaps(request, listener);
    }

    @Override

import org.opensearch.action.explain.ExplainRequestBuilder;
import org.opensearch.action.explain.ExplainResponse;
import org.opensearch.action.fieldcaps.FieldCapabilitiesRequest;
import org.opensearch.action.fieldcaps.FieldCapabilitiesRequestBuilder;
import org.opensearch.action.fieldcaps.FieldCapabilitiesResponse;
import org.opensearch.action.get.GetRequest;
import org.opensearch.action.get.GetRequestBuilder;

                    facetField = facetResponse.getFieldList().stream().map(field -> {
                        final Map<String, Object> fieldMap = new HashMap<>(2, 1f);
                        fieldMap.put("name", field.getName());
                        fieldMap.put("result", field.getValueCountMap().entrySet().stream().map(e -> {
                            final Map<String, Object> valueCount = new HashMap<>(2, 1f);