* find it when available. When this is null, use the slow way.
   */
  @J2ktIncompatible @GwtIncompatible // java.lang.reflect
  private static final @Nullable Method getStackTraceElementMethod =
      (jla == null) ? null : getGetMethod();

  /**
   * The "getStackTraceDepth" method, only available on some JDKs so we use reflection to find it
   * when available. When this is null, use the slow way.
   */

        qrList.allRecordCountRelation = null;
        qrList.queryTime = 0;
        qrList.partialResults = false;
        qrList.facetResponse = null;

        String toStringResult = qrList.toString();
        assertTrue(toStringResult.contains("QueryResponseList"));
        assertTrue(toStringResult.contains("allRecordCountRelation=null"));
        assertTrue(toStringResult.contains("facetResponse=null"));

    if (predecessors != null) {
      checkState(predecessors.remove(node));
    }
    return node;
  }

  @Override
  public N removeOutEdge(E edge) {
    N node = super.removeOutEdge(edge);
    Multiset<N> successors = getReference(successorsReference);
    if (successors != null) {
      checkState(successors.remove(node));
    }
    return node;
  }

        // Simulate decode_out with null info and totalentries
        netdfs.NetrDfsEnumEx decodedEnumEx = new netdfs.NetrDfsEnumEx(null, 0, 0, null, null);

        // Manually encode the expected output for decode_out
        byte[] encodeBufferOut2 = new byte[1024];
        NdrBuffer dstOut = new NdrBuffer(encodeBufferOut2, 0);

        // Simulate info pointer (null)
        dstOut.enc_ndr_long(0); // Null pointer for info

      if (entry.getKey() == null) {
        tryDrainReferenceQueues();
        return null;
      }
      V value = entry.getValue();
      if (value == null) {
        tryDrainReferenceQueues();
        return null;
      }

      return value;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes, or from

        final LogNotificationAppender result = LogNotificationAppender.createAppender("testAppender", "ERROR", null, null);
        assertNotNull(result);
    }

    @Test
    public void test_createAppender_nullName() {
        final LogNotificationAppender result = LogNotificationAppender.createAppender(null, "ERROR", null, null);
        assertNull(result);
    }

    @Test
    public void test_createAppender_defaultLevel() {

        if (path == null || path.isEmpty()) {
            throw new SmbException("Path cannot be null or empty");
        }

        // Check length
        if (path.length() > maxPathLength) {
            throw new SmbException("Path exceeds maximum length: " + path.length() + " > " + maxPathLength);
        }

        // Check for null bytes
        if (NULL_BYTE.matcher(path).find()) {

        @Override
        public org.lastaflute.job.subsidiary.LaunchedProcess launchNow() {
            return null;
        }

        @Override
        public org.lastaflute.job.subsidiary.LaunchedProcess launchNow(final org.lastaflute.job.subsidiary.LaunchNowOpCall opLambda) {
            return null;
        }

        @Override
        public void stopNow() {
        }

        @Override

   * control this will return null. If there is more than a single task ready to execute immediately
   * this will start another thread to handle that work.
   */
  fun awaitTaskToRun(): Task? {
    assertLockHeld()

    while (true) {
      if (readyQueues.isEmpty()) {
        return null // Nothing to do.
      }

      val now = backend.nanoTime()

   *
   * @return the replacement characters, or {@code null} if no escaping was required
   */
  @Override
  protected final char @Nullable [] escape(int cp) {
    if (cp < replacementsLength) {
      char[] chars = replacements[cp];
      if (chars != null) {
        return chars;
      }
    }
    if (cp >= safeMin && cp <= safeMax) {
      return null;
    }
    return escapeUnsafe(cp);
  }