public RealLiteralExp(double value, Types.Classifier type) : base(type) { Value = value; }
protected NumericLiteralExp(Types.Classifier type) : base(type) { }
public IntegerLiteralExp(long value, Types.Classifier type) : base(type) { Value = value; }
public InvalidLiteralExp(Types.Classifier type) : base(type) { }
protected PrimitiveLiteralExp(Types.Classifier type) : base(type) { }