}

    /**
     * Checks if a previous page exists.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets whether a previous page exists.
     *
     * @param existPrePage true if a previous page exists, false otherwise
     */

    assertThat(filesystem.exists(getCleanFile("g1", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g1", 1))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 1))).isFalse()
    assertThat(filesystem.exists(cacheDir / "otherFile0")).isFalse()
    assertThat(filesystem.exists(cacheDir / "dir1")).isFalse()
  }

    }

    /**
     * Checks if a previous page exists for pagination.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets the flag indicating whether a previous page exists.
     *
     * @param existPrePage true if a previous page exists, false otherwise
     */

    }

    /**
     * Checks if a previous page exists.
     *
     * @return true if a previous page exists, false otherwise.
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**
     * Sets the flag for the existence of a previous page.
     *
     * @param existPrePage true if a previous page exists.
     */

		// Test Case 1: if-none-match (create only if doesn't exist)
		// With if-none-match: *, this should only succeed if object doesn't exist.
		// Since read quorum fails, we can't determine if object exists.
		opts := ObjectOptions{
			UserDefined: map[string]string{
				xhttp.IfNoneMatch: "*",
			},
			CheckPrecondFn: func(oi ObjectInfo) bool {
				// Precondition fails if object exists (ETag is not empty)
				return oi.ETag != ""
			},

    private int allRecordCount;

    /** Total number of pages. */
    private int allPageCount;

    /** Indicates if a previous page exists. */
    private boolean existPrePage;

    /** Indicates if a next page exists. */
    private boolean existNextPage;

    /** List of page numbers for pagination navigation. */
    private List<Integer> pageNumberList;

    /** Page size for pagination. */

	lc.Add("key1", nil)

	value, exists := lc.Get("key1")
	if value != nil || !exists {
		t.Fatalf("unexpected value or existence flag for key1: value=%v, exists=%v", value, exists)
	}

	// Adding an entry with the same key but different value
	newVal := "val1"
	lc.Add("key1", &newVal)

	value, exists = lc.Get("key1")
	if value != &newVal || !exists {

     * @param url The URL to check.
     * @return true if the URL exists in the queue, false otherwise.
     */
    @Override
    protected boolean exists(final String sessionId, final String url) {
        final boolean ret = super.exists(sessionId, url);
        if (!ret) {
            final QueueHolder queueHolder = getQueueHolder(sessionId);
            final Queue<OpenSearchUrlQueue> waitingQueue = queueHolder.waitingQueue;

    /** There are currently no logon servers available to service the logon request */
    int NT_STATUS_NO_LOGON_SERVERS = 0xC000005e;
    /** The specified user already exists */
    int NT_STATUS_USER_EXISTS = 0xC0000063;
    /** The specified user does not exist */
    int NT_STATUS_NO_SUCH_USER = 0xC0000064;
    /** The specified network password is not correct */
    int NT_STATUS_WRONG_PASSWORD = 0xC000006a;

  }

  public void testTouch() throws IOException {
    File temp = createTempFile();
    assertTrue(temp.exists());
    assertTrue(temp.delete());
    assertFalse(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());

    assertThrows(
        IOException.class,
        () ->
            Files.touch(