checkArgument(rangeEnds[i] < rangeStarts[i + 1]);
        }
      }
    }

    @Override
    public boolean matches(char c) {
      int index = Arrays.binarySearch(rangeStarts, c);
      if (index >= 0) {
        return true;
      } else {
        index = ~index - 1;
        return index >= 0 && c <= rangeEnds[index];
      }
    }

    @Override

            }
            // requireNonNull is safe because the first `size` elements have been filled in.
            // We're careful to put only K instances in.
            int index =
                Arrays.binarySearch((K[]) sortedKeys, (K) requireNonNull(keys[i]), comparator);
            sortedValues[index] = requireNonNull(values[i]);
          }
          return new ImmutableSortedMap<K, V>(