public class DuplicateHostPagerTest extends UnitFessTestCase {

    public void test_DuplicateHostPager() {
        DuplicateHostPager duplicatehostpager = new DuplicateHostPager();

        duplicatehostpager.clear();
        assertEquals(0, duplicatehostpager.getAllRecordCount());
        assertEquals(0, duplicatehostpager.getAllPageCount());
        assertEquals(false, duplicatehostpager.isExistPrePage());

///

FastAPI will now:

* **Validate** the data making sure that the max length is 50 characters
* Show a **clear error** for the client when the data is not valid
* **Document** the parameter in the OpenAPI schema *path operation* (so it will show up in the **automatic docs UI**)

    public RelatedQueryPager() {
        // Default constructor - fields will be initialized to default values
    }

    /**
     * Clears all pager data and resets to default values.
     * Resets pagination state and clears all related query fields.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;

        try {
            // Force release the handle with null checks
            if (this.usageCount != null) {
                this.usageCount.set(0);
            }

            // Clear references to prevent memory leaks
            try {
                if (this.treeConnection != null) {
                    // Release the tree connection if possible

            String decKeyId = sessionId + "-dec";
            keyManager.storeSessionKey(encKeyId, encryptionKey, "AES");
            keyManager.storeSessionKey(decKeyId, decryptionKey, "AES");

            // Clear local key copies for security
            this.encryptionKey = null;
            this.decryptionKey = null;

            log.debug("Keys stored in SecureKeyManager for session: {}", sessionId);
        } else {

        parent.putAll(m);
    }

    /**
     * Removes all of the mappings from this map.
     */
    @Override
    public void clear() {
        parent.clear();
    }

    /**
     * Returns a Set view of the keys contained in this map.
     *
     * @return a set view of the keys contained in this map
     */
    @Override

          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

  List<Multiset<Integer>> multisets = new ArrayList<>(0x10000);
  int[] queries = new int[ARRAY_SIZE];

  @BeforeExperiment
  void setUp() {
    Random random = new Random();
    multisets.clear();
    for (int i = 0; i < ARRAY_SIZE; i++) {
      HashMultiset<Integer> multiset = HashMultiset.<Integer>create();
      multisets.add(multiset);
      queries[i] = random.nextInt();
      multiset.add(queries[i]);
    }

    /** The created time of the key match. */
    public String createdTime;

    /** The version number of the key match. */
    public String versionNo;

    /**
     * Clears the pager fields.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();

  }

  @Override
  public void clear() {
    if (!range.hasLowerBound() && !range.hasUpperBound()) {
      // We can do this in O(n) rather than removing one by one, which could force rebalancing.
      for (AvlNode<E> current = header.succ(); current != header; ) {
        AvlNode<E> next = current.succ();

        current.elemCount = 0;