code: private void reportMissingConst(NodeTraversal t) {
      for (Node n : candidates) {
        String propName = n.getLastChild().getString();
        if (!modified.contains(propName)) {
          t.report(n, MISSING_CONST_PROPERTY, propName);
        }
      }
      candidates.clear();
      modified.clear();
    }
docs: Reports the property definitions that should use the @const annotation.