if (isCaseInsensitive)
if (! isStrict() && isCaseInsensitive)
  public Value addConstant(String name,                           Value value,                           boolean isCaseInsensitive)  {    Value oldValue = _constMap.get(name);    if (oldValue != null)      return oldValue;    _constMap.put(name, value);    if (isCaseInsensitive)      _lowerConstMap.put(name.toLowerCase(), value);    return value;  }