import java.util.Vector;

class UsecaseOne_pl<A> {

	A x;
	
	foo(bar){
		bar = true;
		return 1;
	}
/*
	foo1(a) {
	   c;
	   c = new Vector<A>();
	   b;
	   b = new UsecaseOne_pl<A>();  
	   return c.addElement(a);
	}
*/
}