return null;
        }

        /**
         * Gets a system property value with a default fallback.
         *
         * @param key The property key to look up
         * @param defaultValue The default value to return if the property is not set
         * @return The property value or the default value
         */
        protected String getProperty(final String key, final String defaultValue) {

### Resource Files

- `src/main/resources/suggest_indices/suggest.json` - Index settings
- `src/main/resources/suggest_indices/suggest/mappings-default.json` - Field mappings
- `src/main/resources/suggest_settings/` - Default configurations

---

## Testing

### Test Framework

JUnit 4 with opensearch-runner (embedded instance)

### Standard Test Setup

```java

    /**
     * Creates a Type-2 message using default values from the current
     * environment.
     *
     * @param tc
     *            context to use
     */
    public Type2Message(final CIFSContext tc) {
        this(tc, getDefaultFlags(tc), null, null);
    }

    /**
     * Creates a Type-2 message in response to the given Type-1 message
     * using default values from the current environment.
     *

Clients might rely on the platform certificates and servers might use a private
organization-specific certificate authority.

By default `HeldCertificate` instances expire after 24 hours. Use `duration()` to adjust.

By default server certificates need to identify which hostnames they're trusted for. You may add as
many as necessary with `addSubjectAlternativeName()`. This mechanism also supports a very limited

 *   <li>Adjustable interval between retries</li>
 *   <li>Exception tracking and aggregation</li>
 *   <li>Request lifecycle monitoring through listener</li>
 * </ul>
 *
 * <p>By default, it will:</p>
 * <ul>
 *   <li>Retry up to 5 times</li>
 *   <li>Wait 500ms between retries</li>
 * </ul>
 *
 */
public class FaultTolerantClient implements CrawlerClient {

        textExtractor = container.getComponent("textExtractor");
    }

    /**
     * Test successful text extraction with default encoding (UTF-8).
     */
    public void test_getText_withDefaultEncoding() {
        final String testContent = "Test content テスト 日本語";
        final InputStream in = new ByteArrayInputStream(testContent.getBytes());

    extends AbstractListMultimap<K, V> {
  // Default from ArrayList
  private static final int DEFAULT_VALUES_PER_KEY = 3;

  @VisibleForTesting transient int expectedValuesPerKey;

  /**
   * Creates a new, empty {@code ArrayListMultimap} with the default initial capacities.
   *
   * <p>You may also consider the equivalent {@code

import jakarta.annotation.Resource;

/**
 * Admin action for Stopwords management.
 *
 */
public class AdminDictStopwordsAction extends FessAdminAction {

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

    /** The role for this action. */
    public static final String ROLE = "admin-dict";

    client = new OkHttpClient.Builder()
        .connectionSpecs(Collections.singletonList(spec))
        .sslSocketFactory(customSslSocketFactory, trustManager)
        .build();
  }

  /**
   * Returns the VM's default SSL socket factory, using {@code trustManager} for trusted root
   * certificates.
   */
  private SSLSocketFactory defaultSslSocketFactory(X509TrustManager trustManager)

  /**
   * Stop the service. This method is invoked on the execution thread.
   *
   * <p>By default this method does nothing.
   */
  // TODO: consider supporting a TearDownTestCase-like API
  protected void shutDown() throws Exception {}

  /**
   * Invoked to request the service to stop.
   *
   * <p>By default this method does nothing.
   *