}

  /**
   * Returns an immutable range set containing the specified single range. If {@link Range#isEmpty()
   * range.isEmpty()}, this is equivalent to {@link ImmutableRangeSet#of()}.
   */
  public static <C extends Comparable> ImmutableRangeSet<C> of(Range<C> range) {
    checkNotNull(range);
    if (range.isEmpty()) {
      return of();
    } else if (range.equals(Range.all())) {
      return all();
    } else {

      return null;
    } else {
      Range<K> range = ranges.get(index);
      return range.contains(key) ? immutableEntry(range, values.get(index)) : null;
    }
  }

  @Override
  public Range<K> span() {
    if (ranges.isEmpty()) {
      throw new NoSuchElementException();
    }
    Range<K> firstRange = ranges.get(0);
    Range<K> lastRange = ranges.get(ranges.size() - 1);

    assertEquals(
        ImmutableMap.of(Range.open(3, 7), 1, Range.closed(7, 10), 2, Range.closed(12, 16), 3),
        rangeMap.asMapOfRanges());

    sub.putCoalescing(Range.singleton(7), 1);
    assertEquals(
        ImmutableMap.of(Range.closed(5, 7), 1, Range.openClosed(7, 10), 2), sub.asMapOfRanges());
    assertEquals(
        ImmutableMap.of(

    assertTrue(rangeSet.intersects(Range.closed(3, 4)));
    assertTrue(rangeSet.intersects(Range.closedOpen(0, 2)));
    assertTrue(rangeSet.intersects(Range.closedOpen(3, 7)));
    assertTrue(rangeSet.intersects(Range.greaterThan(2)));
    assertFalse(rangeSet.intersects(Range.greaterThan(7)));

    assertTrue(rangeSet.encloses(Range.closed(3, 4)));

        new ImmutableRangeMap.Builder<Integer, Integer>()
            .put(Range.closed(2, 4), 5)
            .put(Range.open(6, 7), 3)
            .put(Range.closedOpen(8, 10), 4)
            .put(Range.openClosed(15, 17), 2)
            .build();

    ImmutableMap<Range<Integer>, Integer> test = nonEmptyRangeMap.asMapOfRanges();

    for (Range<Integer> range : test.keySet()) {
      SerializableTester.reserializeAndAssert(range);

  }

  @Override
  public void addAll(Iterable<Range<C>> ranges) {
    for (Range<C> range : ranges) {
      add(range);
    }
  }

  @Override
  public void removeAll(RangeSet<C> other) {
    removeAll(other.asRanges());
  }

  @Override
  public void removeAll(Iterable<Range<C>> ranges) {
    for (Range<C> range : ranges) {
      remove(range);
    }
  }

  @Override

        new ImmutableRangeMap.Builder<Integer, Integer>()
            .put(Range.closed(2, 4), 5)
            .put(Range.open(6, 7), 3)
            .put(Range.closedOpen(8, 10), 4)
            .put(Range.openClosed(15, 17), 2)
            .build();

    ImmutableMap<Range<Integer>, Integer> test = nonEmptyRangeMap.asMapOfRanges();

    for (Range<Integer> range : test.keySet()) {
      SerializableTester.reserializeAndAssert(range);

        assertNull(range.getRecommendedVersion(), CHECK_VERSION_RECOMMENDATION);
        assertFalse(range.isSelectedVersionKnown(artifact), CHECK_SELECTED_VERSION_KNOWN);
        assertNull(range.getSelectedVersion(artifact), CHECK_SELECTED_VERSION);

        range = VersionRange.createFromVersionSpec("1.0");
        assertEquals("1.0", range.getRecommendedVersion().toString(), CHECK_VERSION_RECOMMENDATION);

      // The safe range is empty or the all safe code points lie in or above the
      // surrogate range. Either way the character range is empty.
      this.safeMinChar = Character.MAX_VALUE;
      this.safeMaxChar = 0;
    } else {
      // The safe range is non-empty and contains values below the surrogate
      // range but may extend above it. We may need to clip the maximum value.
      this.safeMinChar = (char) safeMin;

        VersionRange range = parseValid("(1,3)");
        assertNotContains(range, "1");
        assertContains(range, "2-SNAPSHOT");
        assertNotContains(range, "3");
        assertEquals(range, parseValid(range.toString()));
    }

    @Test
    void testSingleVersion() {
        VersionRange range = parseValid("[1]");
        assertContains(range, "1");
        assertEquals(range, parseValid(range.toString()));