code: @Override
      public VersionInfo getUCAVersion() {
          VersionInfo v = getVersion();
          // Note: This is tied to how the current implementation encodes the UCA version
          // in the overall getVersion().
          // Alternatively, we could load the root collator and get at lower-level data from there.
          // Either way, it will reflect the input collator's UCA version only
          // if it is a known implementation.
          // (C++ comment) It would be cleaner to make this a virtual Collator method.
          // (In Java, it is virtual.)
          return VersionInfo.getInstance(v.getMinor() >> 3, v.getMinor() & 7, v.getMilli() >> 6, 0);
      }
docs: Get the UCA version of this collator object.
  
  @return the version object associated with this collator