} catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPut_unsupportedPresentDifferentValue() {
    assertThrows(UnsupportedOperationException.class, () -> getMap().put(k0(), v3()));
    expectUnchanged();
  }

   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  @CheckForNull
  public <T extends B> T putInstance(Class<T> type, T value) {
    throw new UnsupportedOperationException();
  }

  Object readResolve() {

    }

    override fun priority(
      streamId: Int,
      streamDependency: Int,
      weight: Int,
      exclusive: Boolean,
    ) {
      throw UnsupportedOperationException()
    }

    override fun pushPromise(
      streamId: Int,
      associatedStreamId: Int,
      headerBlock: List<Header>,
    ) {
      this.type = Http2.TYPE_PUSH_PROMISE

   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  @CheckForNull
  public final V forcePut(K key, V value) {
    throw new UnsupportedOperationException();
  }

  /**

  public void testSet_unsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getList().set(aValidIndex(), e3()));
    expectUnchanged();
  }

  @CollectionSize.Require(ZERO)
  @ListFeature.Require(absent = SUPPORTS_SET)
  public void testSet_unsupportedByEmptyList() {
    try {
      getList().set(0, e3());
      fail("set() should throw UnsupportedOperationException or IndexOutOfBoundsException");

                    }));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testComputeIfAbsent_unsupportedAbsent() {
    assertThrows(
        UnsupportedOperationException.class,
        () ->
            getMap()
                .computeIfAbsent(
                    k3(),
                    k -> {
                      // allowed to be called

    try {
      assertNull(
          "remove(notPresent) should return null or throw UnsupportedOperationException",
          getMap().remove(k3()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
    expectMissing(e3());
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)

    assertThrows(UnsupportedOperationException.class, () -> getMap().replace(k0(), v0(), v3()));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_unsupportedWrongValue() {
    try {
      getMap().replace(k0(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {

    assertThrows(UnsupportedOperationException.class, () -> getMap().replace(k0(), v0(), v3()));
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_unsupportedWrongValue() {
    try {
      getMap().replace(k0(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {

    return string || null;
  }-*/;

  static CommonPattern compilePattern(String pattern) {
    throw new UnsupportedOperationException();
  }

  static boolean patternCompilerIsPcreLike() {
    throw new UnsupportedOperationException();
  }

  private Platform() {}