assertThrows(
        IllegalArgumentException.class, () -> TypeToken.of(Object.class).constructor(constructor));
  }

  public void testConstructor_declaredBySuperclass() throws NoSuchMethodException {
    Constructor<Object> constructor = Object.class.getConstructor();
    assertThrows(
        IllegalArgumentException.class, () -> TypeToken.of(String.class).constructor(constructor));
  }

        assertEquals(2.5f, item2.getUserBoost(), 0.001f); // Should keep the value
    }

    @Test(expected = IllegalArgumentException.class)
    public void testMergeDifferentIds() {
        // Test that merge throws exception for different IDs
        String[] text1 = { "item1" };
        String[][] readings1 = { { "read1" } };

    return create(16);
  }

  /**
   * Constructs a new, empty bimap with the specified expected size.
   *
   * @param expectedSize the expected number of entries
   * @throws IllegalArgumentException if the specified expected size is negative
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> HashBiMap<K, V> create(
      int expectedSize) {
    return new HashBiMap<>(expectedSize);

      return this;
    }

    /**
     * Returns a new immutable type-to-instance map containing the entries provided to this builder.
     *
     * @throws IllegalArgumentException if duplicate keys were added
     */
    public ImmutableTypeToInstanceMap<B> build() {
      return new ImmutableTypeToInstanceMap<>(mapBuilder.buildOrThrow());
    }
  }

  private final GraphConnections<N, V> checkedConnections(N node) {
    GraphConnections<N, V> connections = nodeConnections.get(node);
    if (connections == null) {
      checkNotNull(node);
      throw new IllegalArgumentException("Node " + node + " is not an element of this graph.");
    }
    return connections;
  }

  final boolean containsNode(@Nullable N node) {
    return nodeConnections.containsKey(node);
  }

            case 'c':
            case 'd':
            case 'e':
            case 'f':
                value += 10 + arr[ai] - 'a';
                break;
            default:
                throw new IllegalArgumentException(new String(arr, offset, length));
            }
            count++;
        }

        return value;
    }

        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message but valid cause
        Exception cause = new IllegalArgumentException("Invalid argument");
        DictionaryException exception = new DictionaryException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());

     * @param bytes the 16-byte GUID data in little-endian format (SMB wire format)
     */
    public HandleGuid(byte[] bytes) {
        if (bytes.length != 16) {
            throw new IllegalArgumentException("GUID must be 16 bytes");
        }

        // MS-SMB2 specifies little-endian byte ordering for GUID components
        // Convert from little-endian wire format to Java UUID

   * @return a new, empty {@code ArrayList} which is guaranteed not to resize itself unless its size
   *     reaches {@code initialArraySize + 1}
   * @throws IllegalArgumentException if {@code initialArraySize} is negative
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> ArrayList<E> newArrayListWithCapacity(

    public static MavenOptions layerMavenOptions(Collection<MavenOptions> options) {
        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }