openide/java/java-tests/testData/codeInsight/overrideImplement/afterWildcard.java

interface Function<S, R> {
  R fun(S s);
}

class Bar extends Function<String, ?>{
    public Object fun(String s) {
        <selection>return null;  //To change body of implemented methods use File | Settings | File Templates.</selection>
    }
}