code: @Deprecated
      public int last() {
          text.setToLimit();
          currentIndex=nextIndex=text.getIndex();
          clearBuffer();
          return previous();
      }
docs: Return the last character in the normalized text.  This resets
  the <tt>Normalizer's</tt> position to be just before the
  the input text corresponding to that normalized character.
  @return The codepoint as an int
  @deprecated ICU 56
  @hide original deprecated declaration