docs: private boolean wellKnownTypeArgument(NewClassTree tree, VisitorState state) {
      Type type = getType(tree);
      if (type == null) {
        return false;
      }
      type = state.getTypes().asSuper(type, state.getSymbolFromString("java.lang.ThreadLocal"));
      if (type == null) {
        return false;
      }
      if (type.getTypeArguments().isEmpty()) {
        return false;
      }
      Type argType = getOnlyElement(type.getTypeArguments());
      if (WELL_KNOWN_TYPES.contains(argType.asElement().getQualifiedName().toString())) {
        return true;
      }
      if (isSubtype(argType, state.getTypeFromString("java.text.DateFormat"), state)) {
        return true;
      }
      return false;
    }