code: @Override
    protected int nextEscapeIndex(CharSequence csq, int index, int end) {
      for (; index < end; index++) {
        char c = csq.charAt(index);
        if (c >= safeOctets.length || !safeOctets[c]) {
          break;
        }
      }
      return index;
    }
docs: /*
  Overridden for performance. For unescaped strings this improved the performance of the uri
  escaper from ~760ns to ~400ns as measured by {@link CharEscapersBenchmark}.