code: public LdiStringBuilder reverse() {
          int j = count - 1;
          for (int i = 0; i < j; ++i, --j) {
              final char temp = value[i];
              value[i] = value[j];
              value[j] = temp;
          }
          return this;
      }
docs: @return
  
  @see java.lang.StringBuilder#reverse()