* serializable if {@code e} is.
   *
   * @param e the element to be associated with the returned entry
   * @param n the count to be associated with the returned entry
   * @throws IllegalArgumentException if {@code n} is negative
   */
  public static <E extends @Nullable Object> Multiset.Entry<E> immutableEntry(
      @ParametricNullness E e, int n) {
    return new ImmutableEntry<>(e, n);
  }

   * serializable if {@code e} is.
   *
   * @param e the element to be associated with the returned entry
   * @param n the count to be associated with the returned entry
   * @throws IllegalArgumentException if {@code n} is negative
   */
  public static <E extends @Nullable Object> Multiset.Entry<E> immutableEntry(
      @ParametricNullness E e, int n) {
    return new ImmutableEntry<>(e, n);
  }

   *
   * @throws IllegalAccessException if this {@code Constructor} object enforces Java language access
   *     control and the underlying method or constructor is inaccessible.
   * @throws IllegalArgumentException if the number of actual and formal parameters differ; if an
   *     unwrapping conversion for primitive arguments fails; or if, after possible unwrapping, a

  }

  /**
   * Unregisters all subscriber methods on a registered {@code object}.
   *
   * @param object object whose subscriber methods should be unregistered.
   * @throws IllegalArgumentException if the object was not previously registered.
   */
  public void unregister(Object object) {
    subscribers.unregister(object);
  }

  /**

        // consistent state by removing the bad entry.
        itr.remove();
      }
    }
    if (broken != null) {
      throw new IllegalArgumentException("value already present: " + broken.getValue());
    }
  }

  @Override
  public void clear() {
    delegate.clear();
    inverse.delegate.clear();
  }

  // Views

  @Override

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getMethod(Class<?> clazz, String name) {
    try {
      return clazz.getMethod(name);
    } catch (Exception e) {
      throw new IllegalArgumentException(e);
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *
   * @deprecated Do not instantiate this utility class.
   */
  @Deprecated

  private class Inner {
    @Keep
    public Inner(String s) {
      checkNotNull(s);
    }
  }

  public void testNonStaticInnerClass() {
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> new NullPointerTester().testAllPublicConstructors(Inner.class));
    assertThat(expected).hasMessageThat().contains("inner class");
  }

      if (classToTest.getSimpleName().equals("ReflectionFreeAssertThrows")) {
        /*
         * These classes handle null properly but throw IllegalArgumentException for the default
         * Class argument that this test uses. Normally we'd fix that by declaring a
         * ReflectionFreeAssertThrowsTest with a testNulls method, but that's annoying to have to do

    builder.add(5L);
    ImmutableLongArray array = builder.build();
    assertThat(array.asList()).containsExactly(5L);
  }

  public void testBuilder_presize_negative() {
    assertThrows(IllegalArgumentException.class, () -> ImmutableLongArray.builder(-1));
  }

  /**
   * If there's a bug in builder growth, we wouldn't know how to expose it. So, brute force the hell
   * out of it for a while and see what happens.

                  }
                  try {
                    peeker.getDone(nonInput);
                    fail("Peeker should not be able to peek into non-input ClosingFuture.");
                  } catch (IllegalArgumentException expected) {
                  }
                  capturedPeeker.set(peeker);
                  return closeable2;
                },
                executor);