public boolean addNode(N node) {
    return backingValueGraph.addNode(node);
  }

  @Override
  public boolean putEdge(N nodeU, N nodeV) {
    return backingValueGraph.putEdgeValue(nodeU, nodeV, Presence.EDGE_EXISTS) == null;
  }

  @Override
  public boolean putEdge(EndpointPair<N> endpoints) {
    validateEndpoints(endpoints);
    return putEdge(endpoints.nodeU(), endpoints.nodeV());
  }

  @Override

        String enc;

        enc = null;
        assertNull(encodingHelper.normalize(enc));

        enc = "";
        assertNull(encodingHelper.normalize(enc));

        enc = " ";
        assertNull(encodingHelper.normalize(enc));
    }

    public void test_normalize_default() {
        String enc;

        encodingHelper.defaultEncoding = "UTF-8";

        enc = null;

                    final Long primaryTerm = (Long) entity.remove(fessConfig.getIndexFieldPrimaryTerm());
                    if (seqNo != null && primaryTerm != null && oldId != null) {
                        searchEngineClient.delete(index, oldId, seqNo, primaryTerm);
                    }
                }

                searchEngineClient.store(index, entity);

   * generated by applying the specified functions.
   *
   * <p>The returned {@code Collector} will throw a {@code NullPointerException} at collection time
   * if the row, column, or value functions return null on any input.
   *
   * @since 21.0
   */
  public static <T extends @Nullable Object, R, C, V>
      Collector<T, ?, ImmutableTable<R, C, V>> toImmutableTable(
          Function<? super T, ? extends R> rowFunction,

   * forward to this implementation.
   */
  protected @Nullable Entry<E> standardFirstEntry() {
    Iterator<Entry<E>> entryIterator = entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();
    return Multisets.immutableEntry(entry.getElement(), entry.getCount());
  }

  @Override
  public @Nullable Entry<E> lastEntry() {

      return null;
    }
    long accum = -digit;

    long cap = Long.MIN_VALUE / radix;

    while (index < string.length()) {
      digit = AsciiDigits.digit(string.charAt(index++));
      if (digit < 0 || digit >= radix || accum < cap) {
        return null;
      }
      accum *= radix;
      if (accum < Long.MIN_VALUE + digit) {
        return null;
      }
      accum -= digit;

        try {
            final Method method = CustomSize.class.getMethod("message");
            final Object defaultValue = method.getDefaultValue();
            return defaultValue != null ? defaultValue.toString() : null;
        } catch (final Exception e) {
            return "{jakarta.validation.constraints.Size.message}";
        }
    }

    private Class<?>[] getDefaultGroups() {
        try {

    public static byte[] getNTLMv2Response(final byte[] responseKeyNT, final byte[] serverChallenge, final byte[] clientChallenge,
            final long nanos1601, final byte[] avPairs) {
        final int avPairsLength = avPairs != null ? avPairs.length : 0;
        final byte[] temp = new byte[28 + avPairsLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved

            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
            return null;
        })).status(Status.OK).result());
    }

    /**
     * Creates a new label type setting.
     *
     * @param body the label type data to create

                        if (file != null) {
                            return file;
                        }
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to load {}", fileMap, e);
                }
                return null;
            }).filter(file -> file != null).toArray(n -> new DictionaryFile<?>[n]);