file.tsx(12,2): error TS2564: Property 'props' has no initializer and is not definitely assigned in the constructor.


==== file.tsx (1 errors) ====
    declare namespace JSX {
    	interface Element { }
    	interface ElementAttributesProperty { props: {} }
    	interface IntrinsicElements { 
    		div: any;
    		h2: any;
    		h1: any;
    	}
    }
    
    class Button {
    	props: {}
    	~~~~~
!!! error TS2564: Property 'props' has no initializer and is not definitely assigned in the constructor.
        render() {
            return (<div>My Button</div>)
        }
    }
    
    // OK
    let k1 = <div> <h2> Hello </h2> <h1> world </h1></div>;
    let k2 = <div> <h2> Hello </h2> {(user: any) => <h2>{user.name}</h2>}</div>;
    let k3 = <div> {1} {"That is a number"} </div>;
    let k4 = <Button> <h2> Hello </h2> </Button>;