public long getCurrentTimeAsLong() {
            return System.currentTimeMillis();
        }

        @Override
        public String getSearchRoleByRole(String role) {
            return "search_" + role;
        }
    }

    static class MockPermissionHelper extends PermissionHelper {
        public MockPermissionHelper() {
            this.systemHelper = new MockSystemHelper();
        }
    }

    }

    /**
     * Performs a search using only the main searcher without rank fusion.
     * This method is used when only one searcher is available or configured.
     *
     * @param searcher the main searcher to use for the search operation
     * @param query the search query string
     * @param params search request parameters including pagination and filters

                        processor.search("*", new TestSearchRequestParams(0, 10, 0), OptionalThing.empty());
                assertNotNull(results);

            } finally {
                executor.shutdown();
                executor.awaitTermination(5, TimeUnit.SECONDS);
            }
        }
    }

    /**
     * Test multiple concurrent search operations.

     */
    @Size(max = 1000)
    public String notificationTo;

    /**
     * Enable or disable search suggestions based on search logs.
     * When enabled, suggestions are generated from previous searches.
     */
    @Size(max = 10)
    public String suggestSearchLog;

    /**
     * Enable or disable search suggestions based on document content.
     * When enabled, suggestions are generated from indexed documents.

            final TestSearcher searcher = new TestSearcher(50);
            processor.register(searcher);
            processor.register(searcher); // Register same instance again
            processor.init();

            // Should still work without errors
            final List<Map<String, Object>> results = processor.search("*", new TestSearchRequestParams(0, 10, 0), OptionalThing.empty());

    public void test_getSearchFields() {
        String[] fields = { "search1", "search2", "search3" };
        queryFieldConfig.setSearchFields(fields);

        String[] result = queryFieldConfig.getSearchFields();
        assertSame(fields, result);
    }

    @Test
    public void test_setSearchFields() {
        String[] fields = { "search1", "search2", "search3" };
        queryFieldConfig.setSearchFields(fields);

    /**
     * Searcher that throws an exception during search.
     */
    static class ExceptionThrowingSearcher extends RankFusionSearcher {
        private final RuntimeException exception;

        ExceptionThrowingSearcher(RuntimeException exception) {
            this.exception = exception;
        }

        @Override

import org.lastaflute.web.util.LaRequestUtil;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.document.DocumentField;
import org.opensearch.search.SearchHit;
import org.opensearch.search.SearchHits;
import org.opensearch.search.aggregations.Aggregations;
import org.opensearch.search.fetch.subphase.highlight.HighlightField;

/**

    /** Array of fields to be included in standard search response */
    protected String[] responseFields;

    /** Array of fields to be included in scroll search response */
    protected String[] scrollResponseFields;

    /** Array of fields to be included in cache search response */
    protected String[] cacheResponseFields;

    /** Array of fields that can be highlighted in search results */
    protected String[] highlightedFields;

import org.opensearch.search.rescore.RescorerBuilder;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.search.sort.SortBuilders;
import org.opensearch.search.sort.SortOrder;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * QueryHelper is responsible for building and managing OpenSearch queries for Fess search functionality.