*/
    @Nullable Executor delegate;

    /**
     * Set before calling delegate.execute(); set to null once run, so that it can be GCed; this
     * object may live on after, if submitAsync returns an incomplete future.
     */
    @Nullable Runnable task;

    /** Thread that called execute(). Set in execute, cleared when delegate.execute() returns. */
    @LazyInit @Nullable Thread submitting;

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the group list page.
     *
     * @return HTML response for the list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the related query management index page.
     *
     * @return HTML response for the related query list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the general error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the system error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the system error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {

package org.codelibs.fess.app.web.help;

import org.codelibs.fess.app.web.base.FessSearchAction;
import org.codelibs.fess.app.web.base.SearchForm;
import org.codelibs.fess.util.RenderDataUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * Action class for handling help page requests in the Fess search application.
 * This class extends FessSearchAction to provide help functionality including

 * control over lock behavior to individual components.
 *
 * <p>Applications are encouraged to use a {@code CycleDetectingLockFactory} to create any locks for
 * which external/unmanaged code is executed while the lock is held. (See caveats under
 * <strong>Performance</strong>).
 *
 * <p><strong>Cycle Detection</strong>
 *
 * <p>Deadlocks can arise when locks are acquired in an order that forms a cycle. In a simple

    protected final long allRecordCount;

    /** The relation type indicating how the record count should be interpreted (e.g., "eq", "gte"). */
    protected final String allRecordCountRelation;

    /** The time taken to execute the search query in milliseconds. */
    protected final long queryTime;

    /** Flag indicating whether the search results are partial due to timeout or other constraints. */
    protected final boolean partialResults;

        }

        assertEquals(State.OPEN, circuitBreaker.getState(), "Circuit should be OPEN");

        // Try to execute - should be blocked with CIFSException
        CIFSException exception = assertThrows(CIFSException.class, () -> {
            circuitBreaker.executeWithCircuitBreaker(() -> "should not execute");
        }, "Circuit breaker should throw CIFSException when open");

        // Execute - should not throw any exception even with null
        processor.process(null);
    }

    public void test_processWithEmptyResponseData() {
        // Test process method with empty ResponseData
        NullResponseProcessor processor = new NullResponseProcessor();
        ResponseData responseData = new ResponseData();

        // Execute - should not throw any exception