assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.closedOpen(1, 4), integers()).range(CLOSED, OPEN));
    assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.open(0, 4), integers()).range(CLOSED, OPEN));
    assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.openClosed(0, 3), integers()).range(CLOSED, OPEN));
  }

    assertEquals(Range.closedOpen(1, 5), Range.closed(1, 4).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.open(0, 5).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.closedOpen(1, 5).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.openClosed(0, 4).canonical(integers()));

    assertEquals(
        Range.closedOpen(Integer.MIN_VALUE, 0),

    assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.closedOpen(1, 4), integers()).range(CLOSED, OPEN));
    assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.open(0, 4), integers()).range(CLOSED, OPEN));
    assertEquals(
        Range.closedOpen(1, 4),
        ContiguousSet.create(Range.openClosed(0, 3), integers()).range(CLOSED, OPEN));
  }

    assertEquals(Range.closedOpen(1, 5), Range.closed(1, 4).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.open(0, 5).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.closedOpen(1, 5).canonical(integers()));
    assertEquals(Range.closedOpen(1, 5), Range.openClosed(0, 4).canonical(integers()));

    assertEquals(
        Range.closedOpen(Integer.MIN_VALUE, 0),

    rangeMap.put(Range.closedOpen(7, 10), 2);
    rangeMap.put(Range.closedOpen(12, 15), 2);
    rangeMap.put(Range.closedOpen(18, 19), 3);

    rangeMap.putCoalescing(Range.closedOpen(-5, -4), 0); // disconnected
    rangeMap.putCoalescing(Range.closedOpen(-6, -5), 0); // lower than minimum

    rangeMap.putCoalescing(Range.closedOpen(2, 4), 1); // between

    ImmutableRangeSet<Integer> rangeSet = ImmutableRangeSet.of(Range.closedOpen(1, 5));

    assertThat(rangeSet.asRanges()).contains(Range.closedOpen(1, 5));

    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)));

    assertEquals(set, Sets.subSet(set, Range.closedOpen(0, 12)));
    assertEquals(ImmutableSortedSet.of(2), Sets.subSet(set, Range.closedOpen(0, 4)));
    assertEquals(ImmutableSortedSet.of(2, 4), Sets.subSet(set, Range.closedOpen(2, 6)));
    assertEquals(ImmutableSortedSet.of(4, 6), Sets.subSet(set, Range.closedOpen(3, 7)));
    assertEquals(empty, Sets.subSet(set, Range.closedOpen(20, 30)));
  }

       */
      for (int i = 0; i < elements.size() - 1; i++) {
        assertEquals(elements.get(i) + 1, (int) elements.get(i + 1));
      }
      Range<Integer> range =
          elements.isEmpty() ? Range.closedOpen(0, 0) : Range.encloseAll(elements);
      return ContiguousSet.create(range, DiscreteDomain.integers());
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *

       */
      for (int i = 0; i < elements.size() - 1; i++) {
        assertEquals(elements.get(i) + 1, (int) elements.get(i + 1));
      }
      Range<Integer> range =
          elements.isEmpty() ? Range.closedOpen(0, 0) : Range.encloseAll(elements);
      return ContiguousSet.create(range, DiscreteDomain.integers());
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *

  }

  /** Returns a {@link Set} with a {@link Set#size()} of {@code size}. */
  private static ContiguousSet<Integer> setSize(int size) {
    checkArgument(size >= 0);
    ContiguousSet<Integer> set = ContiguousSet.closedOpen(0, size);
    checkState(set.size() == size);
    return set;
  }

  /**
   * Returns a {@link SetView} with a {@link SetView#minSize()} of {@code min} and a {@link
   * SetView#maxSize()} of {@code max}.