code: private static BitSet validCookieNameOctets() {
          BitSet bits = new BitSet();
          for (int i = 32; i < 127; i++) {
              bits.set(i);
          }
          int[] separators = new int[]
                  { '(', ')', '<', '>', '@', ',', ';', ':', '\\', '"', '/', '[', ']', '?', '=', '{', '}', ' ', '\t' };
          for (int separator : separators) {
              bits.set(separator, false);
          }
          return bits;
      }
docs: | "{" | "}" | SP | HT