flag.BoolVar(&force, "force", force, "build even if the port is marked as broken")
	flag.BoolVar(&noBanner, "no-banner", noBanner, "do not print banner")
	flag.BoolVar(&noClean, "no-clean", noClean, "print deprecation warning")

	xflagparse(0)

	if noClean {
		xprintf("warning: --no-clean is deprecated and has no effect; use 'go install std cmd' instead\n")
	}

	// Don't build broken ports by default.

    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);

    EnumSet<E> set = EnumSet.noneOf(elementType);
    Iterables.addAll(set, iterable);
    return set;
  }

  // HashSet

  /**
   * Creates a <i>mutable</i>, initially empty {@code HashSet} instance.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableSet#of()} instead. If {@code
   * E} is an {@link Enum} type, use {@link EnumSet#noneOf} instead. Otherwise, strongly consider

    EnumSet<E> set = EnumSet.noneOf(elementType);
    Iterables.addAll(set, iterable);
    return set;
  }

  // HashSet

  /**
   * Creates a <i>mutable</i>, initially empty {@code HashSet} instance.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableSet#of()} instead. If {@code
   * E} is an {@link Enum} type, use {@link EnumSet#noneOf} instead. Otherwise, strongly consider

   * Returns a {@code char} matcher that matches any BMP character not present in the given
   * character sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher noneOf(CharSequence sequence) {
    return anyOf(sequence).negate();
  }

  /**
   * Returns a {@code char} matcher that matches any character in a given BMP range (both endpoints

   * Returns a {@code char} matcher that matches any BMP character not present in the given
   * character sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher noneOf(CharSequence sequence) {
    return anyOf(sequence).negate();
  }

  /**
   * Returns a {@code char} matcher that matches any character in a given BMP range (both endpoints