assertThrows(
        SomeUncheckedException.class,
        () ->
            getMap()
                .merge(
                    k0(),
                    v3(),
                    (oldV, newV) -> {
                      assertEquals(v0(), oldV);
                      assertEquals(v3(), newV);
                      throw new SomeUncheckedException();
                    }));
    expectUnchanged();

          .put(SomeError.class, e -> e instanceof SomeError)
          .put(SomeOtherCheckedException.class, e -> e instanceof SomeOtherCheckedException)
          .put(SomeUncheckedException.class, e -> e instanceof SomeUncheckedException)
          .put(TimeoutException.class, e -> e instanceof TimeoutException)
          .put(UnsupportedCharsetException.class, e -> e instanceof UnsupportedCharsetException)

          .put(SomeError.class, e -> e instanceof SomeError)
          .put(SomeOtherCheckedException.class, e -> e instanceof SomeOtherCheckedException)
          .put(SomeUncheckedException.class, e -> e instanceof SomeUncheckedException)
          .put(TimeoutException.class, e -> e instanceof TimeoutException)
          .put(UnsupportedCharsetException.class, e -> e instanceof UnsupportedCharsetException)

          .put(SomeError.class, e -> e instanceof SomeError)
          .put(SomeOtherCheckedException.class, e -> e instanceof SomeOtherCheckedException)
          .put(SomeUncheckedException.class, e -> e instanceof SomeUncheckedException)
          .put(TimeoutException.class, e -> e instanceof TimeoutException)
          .put(UnsupportedCharsetException.class, e -> e instanceof UnsupportedCharsetException)

          .put(SomeError.class, e -> e instanceof SomeError)
          .put(SomeOtherCheckedException.class, e -> e instanceof SomeOtherCheckedException)
          .put(SomeUncheckedException.class, e -> e instanceof SomeUncheckedException)
          .put(TimeoutException.class, e -> e instanceof TimeoutException)
          .put(UncheckedExecutionException.class, e -> e instanceof UncheckedExecutionException)

  static final class SomeOtherCheckedException extends Exception {}

  static final class YetAnotherCheckedException extends Exception {}

  static final class SomeUncheckedException extends RuntimeException {}

  static final class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  static class SomeCheckedException extends Exception {}

  static class SomeOtherCheckedException extends Exception {}

  static class YetAnotherCheckedException extends Exception {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}

  static class SomeCheckedException extends Exception {}

  static class SomeOtherCheckedException extends Exception {}

  static class YetAnotherCheckedException extends Exception {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}

  static final class SomeOtherCheckedException extends Exception {}

  static final class YetAnotherCheckedException extends Exception {}

  static final class SomeUncheckedException extends RuntimeException {}

  static final class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  static class SomeCheckedException extends Exception {}

  static class SomeOtherCheckedException extends Exception {}

  static class YetAnotherCheckedException extends Exception {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}