assertSame(CharMatcher.any(), CharMatcher.none().negate());
    assertSame(CharMatcher.none(), CharMatcher.any().negate());

    assertSame(WHATEVER, CharMatcher.any().and(WHATEVER));
    assertSame(CharMatcher.any(), CharMatcher.any().or(WHATEVER));

    assertSame(CharMatcher.none(), CharMatcher.none().and(WHATEVER));
    assertSame(WHATEVER, CharMatcher.none().or(WHATEVER));
  }

    assertSame(CharMatcher.any(), CharMatcher.none().negate());
    assertSame(CharMatcher.none(), CharMatcher.any().negate());

    assertSame(WHATEVER, CharMatcher.any().and(WHATEVER));
    assertSame(CharMatcher.any(), CharMatcher.any().or(WHATEVER));

    assertSame(CharMatcher.none(), CharMatcher.none().and(WHATEVER));
    assertSame(WHATEVER, CharMatcher.none().or(WHATEVER));
  }

    assertEquals(0, ms.count(Color.BLUE));
    assertEquals(1, ms.count(Color.YELLOW));
    assertEquals(2, ms.count(Color.RED));
  }

  public void testIllegalCreate() {
    Collection<Color> empty = EnumSet.noneOf(Color.class);
    assertThrows(IllegalArgumentException.class, () -> EnumMultiset.create(empty));
  }

  public void testCreateEmptyWithClass() {

    private List<ModelProblem> problems;

    private String source;

    private Model sourceModel;

    private Model rootModel;

    private Set<ModelProblem.Severity> severities = EnumSet.noneOf(ModelProblem.Severity.class);

    DefaultModelProblemCollector(ModelBuildingResult result) {
        this.result = result;
        this.problems = result.getProblems();

    EnumSet<SomeEnum> noUnits = Sets.complementOf(allUnits, SomeEnum.class);
    verifySetContents(noUnits, EnumSet.noneOf(SomeEnum.class));
  }

  @J2ktIncompatible
  @GwtIncompatible // complementOf
  public void testComplementOfEmptyEnumSetWithoutType() {
    Set<SomeEnum> noUnits = EnumSet.noneOf(SomeEnum.class);
    EnumSet<SomeEnum> allUnits = Sets.complementOf(noUnits);

            new TestEnumSetGenerator() {
              @Override
              public Set<AnEnum> create(AnEnum[] elements) {
                return (elements.length == 0)
                    ? EnumSet.noneOf(AnEnum.class)
                    : EnumSet.copyOf(MinimalCollection.of(elements));
              }
            })
        .named("EnumSet")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,

            new TestEnumSetGenerator() {
              @Override
              public Set<AnEnum> create(AnEnum[] elements) {
                return (elements.length == 0)
                    ? EnumSet.noneOf(AnEnum.class)
                    : EnumSet.copyOf(MinimalCollection.of(elements));
              }
            })
        .named("EnumSet")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,

      ascii()
          .and(javaIsoControl().negate())
          .and(CharMatcher.isNot(' '))
          .and(CharMatcher.noneOf("()<>@,;:\\\"/[]?="));

  private static final CharMatcher QUOTED_TEXT_MATCHER = ascii().and(CharMatcher.noneOf("\"\\\r"));

  /*
   * This matches the same characters as linear-white-space from RFC 822, but we make no effort to

        return send(
            (CommonServerMessageBlockRequest) request,
            request.getResponse(),
            ( params != null && params.length > 0 ) ? EnumSet.copyOf(Arrays.asList(params)) : EnumSet.noneOf(RequestParam.class));
    }


    <T extends CommonServerMessageBlockResponse> T send ( CommonServerMessageBlockRequest request, T response ) throws CIFSException {

    private final Class<V> clazz;

    EnumSetSupplier(Class<V> clazz) {
      this.clazz = checkNotNull(clazz);
    }

    @Override
    public Set<V> get() {
      return EnumSet.noneOf(clazz);
    }
  }

  /**
   * An intermediate stage in a {@link MultimapBuilder} in which the key-value collection map
   * implementation has been specified, but the value collection implementation has not.