// "Fix all 'Loop can be collapsed with Stream API' problems in file" "true" import java.util.List; import java.util.ArrayList; import java.util.stream.Collectors; class X { void test(List list) { List result = list.stream().filter(o -> getObject(o) instanceof String s && !s.isEmpty()).collect(Collectors.toList()); } native Object getObject(Object obj); }