* response will not read a batched command and therefore
         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.
         */

        if (andx == null || !USE_BATCHING || batchLevel >= getBatchLimit(andx.command)) {

    }

    // Test addRewriter method
    public void test_addRewriter() {
        SearchHelper.SearchRequestParamsRewriter rewriter = p -> p;

        searchHelper.addRewriter(rewriter);

        assertNotNull(searchHelper.searchRequestParamsRewriters);
        assertTrue(searchHelper.searchRequestParamsRewriters.length > 0);
    }

    // Test getLanguages method
    public void test_getLanguages_fromParams() {

        // Using reflection to test protected method
        try {
            java.lang.reflect.Method method =
                    QueryHelper.class.getDeclaredMethod("createFieldSortBuilder", String.class, org.opensearch.search.sort.SortOrder.class);
            method.setAccessible(true);

            org.opensearch.search.sort.SortBuilder<?> result = (org.opensearch.search.sort.SortBuilder<?>) method.invoke(queryHelper,

            return field.getLong(null);
        } catch (Exception e) {
            fail("Failed to get serialVersionUID: " + e.getMessage());
            return -1;
        }
    }

    // Test error message methods without parameters
    public void test_addErrorsFrontHeader() {
        String property = "testProperty";
        FessMessages result = messages.addErrorsFrontHeader(property);
        assertNotNull(result);

        String[] results = relatedQueryHelper.getRelatedQueries("test");
        assertEquals(0, results.length);
    }

    public void test_toLowerCase_nullInput() {
        // Test private method indirectly through public methods
        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery(null, new String[] { "query" }, ""));
        mockBhv.setTestData(testData);

   * Hashing} class is loaded. <b>Do not use this method</b> if hash codes may escape the current
   * process in any way, for example being sent over RPC, or saved to disk. For a general-purpose,
   * non-cryptographic hash function that will never change behavior, we suggest {@link
   * #murmur3_128}.
   *
   * <p>Repeated calls to this method on the same loaded {@code Hashing} class, using the same value

 * doEquivalent and doHash methods to indicate that the parameter cannot be null.
 */
@SuppressWarnings("UngroupedOverloads")
public abstract class Equivalence<T> {
  /** Constructor for use by subclasses. */
  protected Equivalence() {}

  /**
   * Returns {@code true} if the given objects are considered equivalent.
   *

    }

    ///// CycleDetectingLock methods. /////

    @Override
    public LockGraphNode getLockGraphNode() {
      return lockGraphNode;
    }

    @Override
    public boolean isAcquiredByCurrentThread() {
      return isHeldByCurrentThread();
    }

    ///// Overridden ReentrantLock methods. /////

    @Override
    public void lock() {

    }

    public void test_getId() {
        // Test getId method from parent class
        CharMappingItem item = new CharMappingItem(42L, new String[] { "input" }, "output");
        assertEquals(42L, item.getId());
    }

    public void test_getCreatedBy_getCreatedTime() {
        // Test inherited methods from DictionaryItem

         * response will not read a batched command and therefore
         * the 'received' member of the response object will not
         * be set to true indicating the send and sendTransaction
         * methods that the next part should be sent. This is a
         * very indirect and simple batching control mechanism.
         */

        if (this.andx == null || !getConfig().isUseBatching()