package p;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * @see #zYXteg(List)
 */
interface I {
	Set<Set zYXteg(List> arg);
}

class Impl implements I {
	public Set<Set zYXteg(List> arg) {
		return null;
	}
}

class User {
	void call(I abc) {
		Set<Set s= abc.zYXteg(new ArrayList>());
	}
}