return kvMap;
      }
    }

    SortedMap<K, V> delegate = newModifiableDelegate(comparator);
    for (Entry<? extends K, ? extends V> entry : map.entrySet()) {
      putEntryWithChecks(delegate, entry);
    }
    return newView(unmodifiableSortedMap(delegate), comparator);
  }

  private static <K, V> void putEntryWithChecks(
      SortedMap<K, V> map, Entry<? extends K, ? extends V> entry) {

      Map<? extends K, ? extends V> map, Comparator<? super K> comparator) {
    boolean sameComparator = false;
    if (map instanceof SortedMap) {
      SortedMap<?, ?> sortedMap = (SortedMap<?, ?>) map;
      Comparator<?> comparator2 = sortedMap.comparator();
      sameComparator =
          (comparator2 == null) ? comparator == NATURAL_ORDER : comparator.equals(comparator2);
    }

      Map<? extends K, ? extends V> map, Comparator<? super K> comparator) {
    boolean sameComparator = false;
    if (map instanceof SortedMap) {
      SortedMap<?, ?> sortedMap = (SortedMap<?, ?>) map;
      Comparator<?> comparator2 = sortedMap.comparator();
      sameComparator =
          (comparator2 == null) ? comparator == NATURAL_ORDER : comparator.equals(comparator2);
    }