int negatedCharacters = DISTINCT_CHARS - totalCharacters;
      String suffix = ".negate()";
      final String description = toString();
      String negatedDescription =
          description.endsWith(suffix)
              ? description.substring(0, description.length() - suffix.length())
              : description + suffix;
      return new NegatedFastMatcher(
          precomputedPositive(negatedCharacters, table, negatedDescription)) {

      int negatedCharacters = DISTINCT_CHARS - totalCharacters;
      String suffix = ".negate()";
      final String description = toString();
      String negatedDescription =
          description.endsWith(suffix)
              ? description.substring(0, description.length() - suffix.length())
              : description + suffix;
      return new NegatedFastMatcher(
          precomputedPositive(negatedCharacters, table, negatedDescription)) {

   * NavigableSet#tailSet(Object, boolean) tailSet()}, and {@link NavigableSet#headSet(Object,
   * boolean) headSet()}) to actually construct the view. Consult these methods for a full
   * description of the returned view's behavior.
   *
   * <p><b>Warning:</b> {@code Range}s always represent a range of values using the values' natural

  //
  // A consequence of these requirements is that the delegate futures cannot be stored in
  // final fields.
  //
  // For simplicity the rest of this description will discuss Futures.catching since it is the
  // simplest instance, though very similar descriptions apply to many other classes in this file.
  //
  // In the constructor of AbstractCatchingFuture, the delegate future is assigned to a field