*     contains no elements
   */
  @J2ktIncompatible
  @GwtIncompatible // EnumSet.complementOf
  public static <E extends Enum<E>> EnumSet<E> complementOf(Collection<E> collection) {
    if (collection instanceof EnumSet) {
      return EnumSet.complementOf((EnumSet<E>) collection);
    }
    checkArgument(

   *     contains no elements
   */
  @J2ktIncompatible
  @GwtIncompatible // EnumSet.complementOf
  public static <E extends Enum<E>> EnumSet<E> complementOf(Collection<E> collection) {
    if (collection instanceof EnumSet) {
      return EnumSet.complementOf((EnumSet<E>) collection);
    }
    checkArgument(

      assertThrows(IllegalArgumentException.class, () -> BigIntegerMath.binomial(n, n + 1));
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // EnumSet.complementOf
  private static final class RoundToDoubleTester {
    private final BigInteger input;
    private final Map<RoundingMode, Double> expectedValues = new EnumMap<>(RoundingMode.class);

      unnecessaryShouldThrow = true;
      return this;
    }

    void test() {
      assertThat(expectedValues.keySet())
          .containsAtLeastElementsIn(EnumSet.complementOf(EnumSet.of(UNNECESSARY)));
      for (Map.Entry<RoundingMode, Double> entry : expectedValues.entrySet()) {
        RoundingMode mode = entry.getKey();
        Double expectation = entry.getValue();

      unnecessaryShouldThrow = true;
      return this;
    }

    void test() {
      assertThat(expectedValues.keySet())
          .containsAtLeastElementsIn(EnumSet.complementOf(EnumSet.of(UNNECESSARY)));
      for (Map.Entry<RoundingMode, Double> entry : expectedValues.entrySet()) {
        RoundingMode mode = entry.getKey();
        Double expectation = entry.getValue();

    -(1L << 54) - 4,
    Long.MIN_VALUE + 2,
    Long.MIN_VALUE + 1,
    Long.MIN_VALUE
  };

  @J2ktIncompatible // EnumSet.complementOf
  @GwtIncompatible
  public void testRoundToDoubleAgainstBigInteger() {
    for (RoundingMode roundingMode : EnumSet.complementOf(EnumSet.of(UNNECESSARY))) {
      for (long candidate : roundToDoubleTestCandidates) {
        assertThat(LongMath.roundToDouble(candidate, roundingMode))

* cross origin: cross origin (do not translate to "origen cruzado")
* plugin: plugin (do not translate to "complemento" or "extensión")
* plug-in: plug-in (do not translate to "complemento" or "extensión")
* plug-ins: plug-ins (do not translate to "complementos" or "extensiones")
* full stack: full stack (do not translate to "pila completa")
* full-stack: full-stack (do not translate to "de pila completa")

      rangeSet.add(range);

      TreeRangeSet<Integer> complement = TreeRangeSet.create();
      complement.add(Range.<Integer>all());
      complement.remove(range);

      assertEquals(complement, rangeSet.complement());
      assertThat(rangeSet.complement().asRanges())
          .containsExactlyElementsIn(complement.asRanges())
          .inOrder();
    }
  }

    this(ranges, /* complement= */ null);
  }

  private ImmutableRangeSet(
      ImmutableList<Range<C>> ranges, @Nullable ImmutableRangeSet<C> complement) {
    this.ranges = ranges;
    this.complement = complement;
  }

  private final transient ImmutableList<Range<C>> ranges;
  private final transient @Nullable ImmutableRangeSet<C> complement;

  @Override

    } else {
      rangesByLowerBound.put(range.lowerBound, range);
    }
  }

  @LazyInit private transient @Nullable RangeSet<C> complement;

  @Override
  public RangeSet<C> complement() {
    RangeSet<C> result = complement;
    return (result == null) ? complement = new Complement() : result;
  }

  @VisibleForTesting
  static final class RangesByUpperBound<C extends Comparable<?>>