docs: public static String transformClassName(String className) {
          int lastDot = className.lastIndexOf('.');
          if (lastDot >= 0) {
              String pkg = className.substring(0, lastDot);
              if (!isUnlikelyToBeRenamed(pkg)) {
                  className = className.substring(lastDot + 1);
              }
          }
          return className;
      }