*
     * @param crudMode the actual CRUD mode provided
     * @param expectedMode the expected CRUD mode
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));

        // Calculate buffer size
        int serverNameSize = 16; // Fixed field size
        int versionSize = 2;
        int typeSize = 4;
        int offsetSize = 4;
        int commentSize = comment.length() + 1;
        int totalSize = serverNameSize + versionSize + typeSize + offsetSize + commentSize;

        byte[] buffer = new byte[totalSize + 100];
        int bufferIndex = 0;
        int start = 0;

    public synchronized PagingList<CharMappingItem> selectList(final int offset, final int size) {
        if (mappingItemList == null) {
            reload(null);
        }

        if (offset >= mappingItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<CharMappingItem> emptyList(), offset, size, mappingItemList.size());
        }

        int toIndex = offset + size;

  @get:JvmName("size")
  val size: Int
    get() = namesAndValues.size / 2

  @JvmName("-deprecated_size")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "size"),
    level = DeprecationLevel.ERROR,
  )
  fun size(): Int = size

  /** Returns the field at `position`. */
  fun name(index: Int): String = commonName(index)

   * @param hc the hash code holder
   * @param wasUncontended false if CAS failed before call
   */
  final void retryUpdate(long x, int @Nullable [] hc, boolean wasUncontended) {
    int h;
    if (hc == null) {
      threadHashCode.set(hc = new int[1]); // Initialize randomly
      int r = rng.nextInt(); // Avoid zero to allow xorShift rehash
      h = hc[0] = (r == 0) ? 1 : r;
    } else h = hc[0];

   */
  // Note: 90% of the time we don't add type parameters or wildcards that serve only to "tweak" the
  // desired return type. However, *nested* generics introduce a special class of problems that we
  // think tip it over into being worthwhile.
  public static <T extends @Nullable Object, S extends T> Comparator<Iterable<S>> lexicographical(
      Comparator<T> comparator) {
    return new LexicographicalOrdering<S>(checkNotNull(comparator));
  }

    }

    @ParameterizedTest
    @ValueSource(ints = { FileSystemInformation.SMB_INFO_ALLOCATION, FileSystemInformation.FS_SIZE_INFO,
            FileSystemInformation.FS_FULL_SIZE_INFO })
    void testConstructorWithDifferentInformationLevels(int informationLevel) {
        // Test constructor with different information levels

            verify(mockMd5, times(1)).digest(buffer, 0, expectedOutput.length); // Final digest into buffer
        }
    }

    @Test
    void testEngineDigestWithBufferException() throws NoSuchAlgorithmException, DigestException {
        // Test engineDigest(byte[] buf, int offset, int len) throws exception
        try (MockedStatic<Crypto> mockedCrypto = mockStatic(Crypto.class)) {

If the passwords don't match, we return the same error.

#### Password hashing { #password-hashing }

"Hashing" means: converting some content (a password in this case) into a sequence of bytes (just a string) that looks like gibberish.

Whenever you pass exactly the same content (exactly the same password) you get exactly the same gibberish.

	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()
		defer mutex.Unlock()

		m, ok := printOnce[endpoint]
		if !ok {
			m = make(map[string]int)
			printOnce[endpoint] = m
			if once {
				m[err.Error()]++