*     {@code lock}, or {@code null} if no path was found.
     */
    private @Nullable ExampleStackTrace findPathTo(LockGraphNode node, Set<LockGraphNode> seen) {
      if (!seen.add(this)) {
        return null; // Already traversed this node.
      }
      ExampleStackTrace found = allowedPriorLocks.get(node);
      if (found != null) {
        return found; // Found a path ending at the node!

    @Test
    @DisplayName("Test with null pipe name")
    void testWithNullPipeName() {
        // Given
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, null, TEST_DATA, 0, TEST_DATA.length);

        // When
        String result = transCallNamedPipe.toString();

        // Then
        assertNotNull(result);
        assertTrue(result.contains("pipeName=null"));
    }

    @Test

            Cut.belowValue(key),
            KeyPresentBehavior.ANY_PRESENT,
            KeyAbsentBehavior.NEXT_LOWER);
    if (index == -1) {
      return null;
    } else {
      Range<K> range = ranges.get(index);
      return range.contains(key) ? values.get(index) : null;
    }
  }

  @Override
  public @Nullable Entry<Range<K>, V> getEntry(K key) {
    int index =
        SortedLists.binarySearch(

        flags |= flag;
    }

    /**
     * Get the result of the DCERPC call.
     * @return result exception if the call failed, null otherwise
     */
    public DcerpcException getResult() {
        if (result != 0) {
            return new DcerpcException(result);
        }
        return null;
    }

    void encode_header(final NdrBuffer buf) {
        buf.enc_ndr_small(5); /* RPC version */

  private const val SKEW = 38
  private const val DAMP = 700
  private const val INITIAL_BIAS = 72
  private const val INITIAL_N = 0x80

  /**
   * Returns null if any label is oversized so much that the encoder cannot encode it without
   * integer overflow. This will not return null for labels that fit within the DNS size
   * limits.
   */
  fun encode(string: String): String? {
    var pos = 0
    val limit = string.length

   * wish to override {@link #lower} to forward to this implementation.
   */
  protected @Nullable E standardLower(@ParametricNullness E e) {
    return Iterators.getNext(headSet(e, false).descendingIterator(), null);
  }

  @Override
  public @Nullable E floor(@ParametricNullness E e) {
    return delegate().floor(e);
  }

  /**

    @Override
    public ApiResponse handleValidationError(final ApiFailureResource resource) {
        return asJson(createFailureBean(Status.BAD_REQUEST, createMessage(resource, null))).httpStatus(HTTP_BAD_REQUEST);
    }

    @Override
    public ApiResponse handleApplicationException(final ApiFailureResource resource, final RuntimeException cause) {

        smbComOpenAndX.useUnicode = true;
        // For Unicode: 1 byte (initial null in writeBytesWireFormat)
        // + potential 1 byte alignment (in writeString) + fileName.length() * 2 + 2 bytes (terminating nulls)
        // Since headerStart is 0 and dstIndex starts at 1 (after initial null), (1-0)%2=1, so alignment byte added
        // Total: 1 + 1 + 12*2 + 2 = 28 bytes

        clientFactory.addClient("test:.*", new CrawlerClient() {
            @Override
            public ResponseData execute(final RequestData request) {
                return null;
            }

            @Override
            public void setInitParameterMap(final Map<String, Object> params) {
                buf.append("value=").append(params.get("hoge"));
            }

      new Function<@Nullable Integer, @Nullable Integer>() {
        @Override
        public @Nullable Integer apply(@Nullable Integer input) {
          return (input == null) ? null : input / 2;
        }
      };

  abstract static class ColumnTests extends MapTests {
    ColumnTests(
        boolean allowsNullValues,
        boolean supportsPut,
        boolean supportsRemove,