1. @Decorator()
2. class A {-

3.     public a?: string;
4.     public b?: A;
5.     public func =  (): string => {-

6.         return this.a;
7.     
}
8. 
}
9. 
10. // comment  
11. const x = "hello" + " " + "world" + 1;
12. 
13. {-

14.     const b = 3;
15. 
}