GenerateThumbnailJob result = thumbnailJob.cleanup();

        assertSame(thumbnailJob, result);
        assertTrue(thumbnailJob.cleanup);
    }

    // Test execute method with successful execution
    public void test_execute_success() {
        // Create necessary directories in temp dir
        new File(tempDir, "WEB-INF/lib").mkdirs();
        new File(tempDir, "WEB-INF/env/thumbnail/lib").mkdirs();

    Preconditions.checkNotNull(unit, "unit must not be null!");
    return delegate.invokeAny(tasks, timeout, unit);
  }

  @Override
  public void execute(Runnable command) {
    Preconditions.checkNotNull(command, "command must not be null!");
    delegate.execute(command);
  }

  @Override
  public ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {

    Preconditions.checkNotNull(unit, "unit must not be null!");
    return delegate.invokeAny(tasks, timeout, unit);
  }

  @Override
  public void execute(Runnable command) {
    Preconditions.checkNotNull(command, "command must not be null!");
    delegate.execute(command);
  }

  @Override
  public ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {

        echo "### NOT starting on installation, please execute the following statements to configure fess service to start automatically using chkconfig"
        echo " sudo chkconfig --add fess"
        echo "### You can start fess service by executing"
        echo " sudo service fess start"

    elif command -v update-rc.d >/dev/null; then

 * This class serves as the entry point for crawling web content, file systems, and data stores.
 * It manages the crawling lifecycle, including initialization, execution coordination,
 * monitoring, and cleanup operations.
 *
 * <p>The crawler can operate in different modes based on command-line options:
 * <ul>
 * <li>Web crawling - crawls web sites and web content</li>

      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };

  private static final IteratorOperation NEXT_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          return iterator.next();
        }
      };

    call.enqueue(callback)
    assertFailsWith<IllegalStateException> {
      call.execute()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Already Executed")
    }
    assertFailsWith<IllegalStateException> {
      call.enqueue(callback)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Already Executed")
    }

     */
    public FuzzyQueryCommand() {
        super();
    }

    @Override
    protected String getQueryClassName() {
        return FuzzyQuery.class.getSimpleName();
    }

    /**
     * Executes the fuzzy query command to convert a Lucene FuzzyQuery into an OpenSearch QueryBuilder.
     *
     * @param context the query context containing search configuration

import org.codelibs.fess.util.ResourceUtil;
import org.codelibs.fess.util.SystemUtil;

import jakarta.servlet.ServletContext;

/**
 * Job class for generating thumbnails for documents in the search engine.
 * This job executes the ThumbnailGenerator process as a separate JVM process
 * to create thumbnail images for supported document types.
 */
public class GenerateThumbnailJob extends ExecJob {
    /** Logger for this class. */

      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };

  private static final IteratorOperation NEXT_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          return iterator.next();
        }
      };