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. */