* support concurrent multisets whose content may change while the method is running.
   *
   * <p>The serialized output consists of the number of distinct elements, the first element, its
   * count, the second element, its count, and so on.
   */
  static <E extends @Nullable Object> void writeMultiset(
      Multiset<E> multiset, ObjectOutputStream stream) throws IOException {
    int entryCount = multiset.entrySet().size();

      ensureRoomFor(values.length());
      System.arraycopy(values.array, values.start, array, count, values.length());
      count += values.length();
      return this;
    }

    private void ensureRoomFor(int numberToAdd) {
      int newCount = count + numberToAdd; // TODO(kevinb): check overflow now?
      if (newCount > array.length) {

      ensureRoomFor(values.length());
      System.arraycopy(values.array, values.start, array, count, values.length());
      count += values.length();
      return this;
    }

    private void ensureRoomFor(int numberToAdd) {
      int newCount = count + numberToAdd; // TODO(kevinb): check overflow now?
      if (newCount > array.length) {

    }

    /**
     * Gets the total number of records.
     * @return The total record count.
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**
     * Sets the total number of records.
     * @param allRecordCount The total record count.
     */
    public void setAllRecordCount(final int allRecordCount) {
        this.allRecordCount = allRecordCount;

    /**
     * Gets the total number of records across all pages.
     *
     * @return The total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**
     * Sets the total number of records across all pages.
     *
     * @param allRecordCount The total record count to set
     */
    public void setAllRecordCount(final int allRecordCount) {

    }

    /**
     * Gets the total number of records.
     *
     * @return The total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**
     * Sets the total number of records.
     *
     * @param allRecordCount The total record count
     */
    public void setAllRecordCount(final int allRecordCount) {

@ExtendWith(MockitoExtension.class)
class SrvCopychunkCopyTest {

    private static final int SOURCE_KEY_SIZE = 24;
    private static final int HEADER_SIZE = 32; // 24 bytes source key + 4 bytes chunk count + 4 bytes reserved
    private static final int CHUNK_SIZE = 24;

    @Mock
    private SrvCopychunk mockChunk;

    @BeforeEach
    void setUp() {
    }

    @Nested

        buffer[30] = 0x04;
        buffer[31] = 0x00;

        // Word count
        buffer[32] = 10; // 10 words = 20 bytes

        // Parameter words for transaction response
        // Total parameter count (2 bytes)
        buffer[33] = 0x00;
        buffer[34] = 0x00;

        // Total data count (2 bytes)
        buffer[35] = 0x00;
        buffer[36] = 0x00;

        assertEquals(8, next.maxParameterCount, "Max parameter count should be 8");
        assertEquals(Trans2FindFirst2.LIST_SIZE, next.maxDataCount, "Max data count should use LIST_SIZE");
        assertEquals((byte) 0x00, next.maxSetupCount, "Max setup count must be 0");

        // Information level defaults to BOTH_DIRECTORY_INFO (0x104) — check via parameters encoding

    return new EnumMultiset<>(new EnumMap<E, Count>(type));
  }

  public static <E extends Enum<E>> EnumMultiset<E> create(Iterable<E> elements) {
    Iterator<E> iterator = elements.iterator();
    checkArgument(iterator.hasNext(), "EnumMultiset constructor passed empty Iterable");
    EnumMap<E, Count> map = new EnumMap<>(getDeclaringClassOrObjectForJ2cl(iterator.next()));