return Primitives.wrap(type).cast(value);
    }

    /**
     * Returns a new immutable class-to-instance map containing the entries provided to this
     * builder.
     *
     * @throws IllegalArgumentException if duplicate keys were added
     */
    public ImmutableClassToInstanceMap<B> build() {
      ImmutableMap<Class<? extends B>, B> map = mapBuilder.buildOrThrow();
      if (map.isEmpty()) {
        return of();

      if (Helpers.equal(i.next().getKey(), newEntry.getKey())) {
        i.set(newEntry);
        return;
      }
    }

    throw new IllegalArgumentException(
        Platform.format("key %s not found in entries %s", newEntry.getKey(), expected));
  }

  /**
   * Wrapper for {@link Map#get(Object)} that forces the caller to pass in a key of the same type as

            return new Iterator<Integer>() {
              @Override
              public void remove() {
                // Wrong exception type.
                throw new IllegalArgumentException();
              }

              @Override
              public Integer next() {
                // Wrong exception type.
                throw new UnsupportedOperationException();
              }

    /**
     * Exceptions should be {@link NullPointerException}, {@link IllegalArgumentException}, or
     * {@link UnsupportedOperationException}.
     */
    NPE_IAE_OR_UOE() {
      @Override
      public boolean isExpectedType(Throwable cause) {
        return cause instanceof NullPointerException
            || cause instanceof IllegalArgumentException
            || cause instanceof UnsupportedOperationException;
      }

    } catch (ioe: IOException) {
      // https://github.com/square/okhttp/issues/5840
      when (ioe.cause) {
        is IllegalArgumentException -> {
          assertEquals("Android internal error", ioe.message)
        }
        is CertificateException -> {
          assertTrue(ioe.cause?.cause is IllegalArgumentException)
          assertEquals(true, ioe.cause?.cause?.message?.startsWith("Invalid input to toASCII"))
        }

    ImmutableList.Builder<String> builder = ImmutableList.builder();
    for (int i = 0; i < 100; i++) {
      builder.add("a");
    }
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> builder.addAll(nCopies(Integer.MAX_VALUE - 50, "a")));
    assertThat(expected).hasMessageThat().contains("cannot store more than MAX_VALUE elements");
  }

  }

  /**
   * Returns a {@code UnsignedInteger} representing the same value as the specified {@link
   * BigInteger}. This is the inverse operation of {@link #bigIntegerValue()}.
   *
   * @throws IllegalArgumentException if {@code value} is negative or {@code value >= 2^32}
   */
  public static UnsignedInteger valueOf(BigInteger value) {
    checkNotNull(value);
    checkArgument(

  }

  /**
   * Returns a {@code UnsignedInteger} representing the same value as the specified {@link
   * BigInteger}. This is the inverse operation of {@link #bigIntegerValue()}.
   *
   * @throws IllegalArgumentException if {@code value} is negative or {@code value >= 2^32}
   */
  public static UnsignedInteger valueOf(BigInteger value) {
    checkNotNull(value);
    checkArgument(

   * generated builder is equivalent to that returned by {@link #builder}, but may perform better if
   * {@code expectedKeys} is a good estimate.
   *
   * @throws IllegalArgumentException if {@code expectedKeys} is negative
   * @since 33.3.0
   */
  public static <K, V> Builder<K, V> builderWithExpectedKeys(int expectedKeys) {
    checkNonnegative(expectedKeys, "expectedKeys");

    return new LinkedBlockingDeque<>();
  }

  /**
   * Creates an empty {@code LinkedBlockingDeque} with the given (fixed) capacity.
   *
   * @throws IllegalArgumentException if {@code capacity} is less than 1
   * @since 12.0
   */
  @J2ktIncompatible
  @GwtIncompatible // LinkedBlockingDeque
  public static <E> LinkedBlockingDeque<E> newLinkedBlockingDeque(int capacity) {