docs: private int compareClassesAllowingNull(ClassAnnotation lhs, ClassAnnotation rhs) {
          if (lhs == null || rhs == null) {
              return compareNullElements(lhs, rhs);
          }
  
          String lhsClassName = classNameRewriter.rewriteClassName(lhs.getClassName());
          String rhsClassName = classNameRewriter.rewriteClassName(rhs.getClassName());
  
          if (DEBUG) {
              System.err.println("Comparing " + lhsClassName + " and " + rhsClassName);
          }
  
          int cmp = lhsClassName.compareTo(rhsClassName);
          if (DEBUG) {
              System.err.println("\t==> " + cmp);
          }
          return cmp;
      }