coalescedRange = coalesce(coalescedRange, value, lowerEntry);

    Entry<Cut<K>, RangeMapEntry<K, V>> higherEntry =
        entriesByLowerBound.floorEntry(range.upperBound);
    coalescedRange = coalesce(coalescedRange, value, higherEntry);

    return coalescedRange;
  }

  /** Returns the range that spans the given range and entry, if the entry can be coalesced. */

    coalescedRange = coalesce(coalescedRange, value, lowerEntry);

    Entry<Cut<K>, RangeMapEntry<K, V>> higherEntry =
        entriesByLowerBound.floorEntry(range.upperBound);
    coalescedRange = coalesce(coalescedRange, value, higherEntry);

    return coalescedRange;
  }

  /** Returns the range that spans the given range and entry, if the entry can be coalesced. */

   *
   * <p>This is the smallest {@code RangeSet} which encloses each of the specified ranges. Duplicate
   * or connected ranges are permitted, and will be coalesced in the result.
   *
   * @since 21.0
   */
  public static <C extends Comparable<?>> ImmutableRangeSet<C> unionOf(Iterable<Range<C>> ranges) {
    return copyOf(TreeRangeSet.create(ranges));
  }