this.releases = new LinkedList<>();
        } else {
            this.acquires = null;
            this.releases = null;
        }
    }

    boolean matches(final String shr, final String servc) {
        return this.share.equalsIgnoreCase(shr) && (servc == null || servc.startsWith("??") || this.service.equalsIgnoreCase(servc));
    }

    @Override

            if (netname != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(netname);

            }
            if (remark != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(remark);

            }
            if (path != null) {
                _dst = _dst.deferred;

   *     for the keys
   */
  @CanIgnoreReturnValue
  public @Nullable V erase(@Nullable Object rowKey, @Nullable Object columnKey) {
    Integer rowIndex = rowKeyToIndex.get(rowKey);
    Integer columnIndex = columnKeyToIndex.get(columnKey);
    if (rowIndex == null || columnIndex == null) {
      return null;
    }

        final int prime = 31;
        int result = 1;
        result = prime * result + ((value1 == null) ? 0 : value1.hashCode());
        result = prime * result + ((value2 == null) ? 0 : value2.hashCode());
        result = prime * result + ((value3 == null) ? 0 : value3.hashCode());
        result = prime * result + ((value4 == null) ? 0 : value4.hashCode());
        return result;
    }

    @Override

     * Note: Current implementation throws NullPointerException for null strings.
     */
    @Test
    void testCheck_withNullStringAndZeroPointer() {
        // A zero pointer indicates a null string
        PacUnicodeString pacString = new PacUnicodeString((short) 0, (short) 0, 0);
        String testString = null;

    }

    @Test
    @DisplayName("Constructor should handle null tree handle")
    void testConstructor_NullTreeHandle_ThrowsNPE() throws Exception {
        // Given: Valid parent but null tree handle
        when(locator.getType()).thenReturn(SmbConstants.TYPE_WORKGROUP);
        when(locator.getURL()).thenReturn(createSmbURL("smb://"));

            if (responseData == null) {
                return null;
            }

            for (Rule rule : rules) {
                if (rule != null && rule.match(responseData)) {
                    return rule;
                }
            }
            return null;
        }

        @Override
        public void addRule(Rule rule) {
            if (rule != null) {
                rules.add(rule);

    if (expectedSequenceNumber != ANY_SEQUENCE_NUMBER &&
      (entry == null || entry.sequenceNumber != expectedSequenceNumber)
    ) {
      return null // Snapshot is stale.
    }

    if (entry?.currentEditor != null) {
      return null // Another edit is in progress.
    }

    if (entry != null && entry.lockingSourceCount != 0) {
      return null // We can't write this file because a reader is still reading it.
    }

        this.isEstablished = false;
        this.sealClientHandle = null;
        this.sealServerHandle = null;
        this.sealClientKey = null;
        this.sealServerKey = null;
        this.masterKey = null;
        this.signKey = null;
        this.verifyKey = null;
        this.type1Bytes = null;
    }

        };

    results.add(serializer.submit(Callables.returning(null), manualExecutor));
    Future<?>[] thingToCancel = new Future<?>[1];
    results.add(
        serializer.submit(
            new Callable<@Nullable Void>() {
              @Override
              public @Nullable Void call() {
                thingToCancel[0].cancel(false);
                return null;
              }
            },