* hash code unspecified, unlike the Java 8+ equivalent.
   */
  @Override
  public abstract int hashCode();

  /**
   * Returns a string representation for this instance.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> this class leaves the specific string
   * representation unspecified, unlike the Java 8+ equivalent.
   */
  @Override

import jakarta.annotation.Resource;

/**
 * API action for admin file configuration management.
 * Provides RESTful API endpoints for managing file crawling configuration settings in the Fess search engine.
 * File configurations define settings for crawling file systems, FTP servers, and other file-based data sources.
 *
 */
public class ApiAdminFileconfigAction extends FessApiAdminAction {

      out.append(charSequence);
    }
  }

  /**
   * Writes the given lines of text to this sink with each line (including the last) terminated with
   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */

    Iterables.addAll(multiset, elements);
    return multiset;
  }

  /**
   * Returns a new {@code EnumMultiset} instance containing the given elements. Unlike {@link
   * EnumMultiset#create(Iterable)}, this method does not produce an exception on an empty iterable.
   *
   * @since 14.0
   */

                repositories {
                    mavenCentral()
                }

                dependencies {
                    "testImplementation"("org.junit.jupiter:junit-jupiter-engine:5.8.1")
                    "testRuntimeOnly"("org.junit.platform:junit-platform-launcher")
                }

                tasks.named<Test>("test").configure {

    /**
     * DFS storage state indicating offline status
     */
    public static final int DFS_STORAGE_STATE_OFFLINE = 0x0001;
    /**
     * DFS storage state indicating online status
     */
    public static final int DFS_STORAGE_STATE_ONLINE = 0x0002;
    /**
     * DFS storage state indicating active status
     */
    public static final int DFS_STORAGE_STATE_ACTIVE = 0x0004;

import jakarta.annotation.Resource;

/**
 * API action for admin Synonym dictionary management.
 * Provides REST endpoints for managing synonym dictionary items in the Fess search engine.
 */
public class ApiAdminDictSynonymAction extends FessApiAdminAction {

    /**
     * Default constructor.
     */
    public ApiAdminDictSynonymAction() {
        super();
    }

    }

    /**
     * Adds a single command-line argument to pass to the Python script.
     *
     * @param value the argument value to add
     * @return this PythonJob instance for method chaining
     */
    public PythonJob arg(final String value) {
        argList.add(value);
        return this;
    }

    /**
     * Adds multiple command-line arguments to pass to the Python script.
     *

Main operations: `suggest()`, `popularWords()`, `indexer()`, `createIndexIfNothing()`, `createNextIndex()`, `switchIndex()`, `removeDisableIndices()`

### SuggestIndexer (Indexing Engine)
Location: `src/main/java/org/codelibs/fess/suggest/index/SuggestIndexer.java`

Handles all indexing operations, content parsing, and word management (bad words, elevate words).

### SuggestSettings (Configuration)

            if (MojoExecution.Source.CLI.equals(mojoExecution.getSource())) {
                Throwable cause = new IllegalStateException(
                        "Goal requires online mode for execution" + " but Maven is currently offline.");
                throw new LifecycleExecutionException(
                        messageBuilderFactory, mojoExecution, session.getCurrentProject(), cause);