assertEquals("5", pnList.get(4));
        assertEquals("6", pnList.get(5));
        assertEquals("7", pnList.get(6));

    }

    public void test_calculatePageInfo_collapse() {
        QueryResponseList qrList;

        qrList = new QueryResponseList(null, 0, 20, 0) {
            @Override
            public int size() {
                return 0;
            }
        };

    public static final String VIRTUAL_HOST_VALUE_PROPERTY = "virtual.host.value";

    public static final String LOGIN_REQUIRED_PROPERTY = "login.required";

    public static final String RESULT_COLLAPSED_PROPERTY = "result.collapsed";

    public static final String LOGIN_LINK_ENALBED_PROPERTY = "login.link.enabled";

    public static final String THUMBNAIL_ENALBED_PROPERTY = "thumbnail.enabled";

        setSystemPropertyAsBoolean(Constants.RESULT_COLLAPSED_PROPERTY, value);
    }

    default boolean isResultCollapsed() {
        return switch (getFesenType()) {
        case Constants.FESEN_TYPE_CLOUD, Constants.FESEN_TYPE_AWS -> false;
        default -> getSystemPropertyAsBoolean(Constants.RESULT_COLLAPSED_PROPERTY, false);
        };
    }

    String QUERY_COLLAPSE_MAX_CONCURRENT_GROUP_RESULTS = "query.collapse.max.concurrent.group.results";

    /** The key of the configuration. e.g. similar_docs */
    String QUERY_COLLAPSE_INNER_HITS_NAME = "query.collapse.inner.hits.name";

    /** The key of the configuration. e.g. 0 */
    String QUERY_COLLAPSE_INNER_HITS_SIZE = "query.collapse.inner.hits.size";

    /** The key of the message: Login Required */
    public static final String LABELS_login_required = "{labels.login_required}";

    /** The key of the message: Similar Result Collapsed */
    public static final String LABELS_result_collapsed = "{labels.result_collapsed}";

    /** The key of the message: Login Link */
    public static final String LABELS_login_link = "{labels.login_link}";

import org.opensearch.search.aggregations.bucket.filter.FilterAggregationBuilder;
import org.opensearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.opensearch.search.collapse.CollapseBuilder;
import org.opensearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.opensearch.threadpool.ThreadPool;

import com.fasterxml.jackson.core.type.TypeReference;