import com.google.common.collect.Iterables; import java.lang.String; import java.util.List; import java.util.ArrayList; class c { void m() { List<String> l = new ArrayList<>(); Iterable<Boolean> transform = Iterables.tr<caret>ansform(l, new Function<String, Boolean>() { @Override public Boolean apply(String input) { return input.isEmpty(); } }); } }