code: @Override
      public UnicodeSet getTailoredSet() {
          UnicodeSet tailored = new UnicodeSet();
          if(data.base != null) {
              new TailoredSet(tailored).forData(data);
          }
          return tailored;
      }
docs: Get a UnicodeSet that contains all the characters and sequences tailored in this collator.
  
  @return a pointer to a UnicodeSet object containing all the code points and sequences that may sort differently
  than in the root collator.