docs: @Override
      public void putConst(String name, Scriptable start, Object value)
      {
          if (putConstImpl(name, 0, start, value, READONLY))
              return;
  
          if (start == this) throw Kit.codeBug();
          if (start instanceof ConstProperties)
              ((ConstProperties)start).putConst(name, start, value);
          else
              start.put(name, start, value);
      }