import java.util.Collections;
import java.util.Comparator;
import java.util.List;
+import java.util.Set;
import com.google.common.base.Function;
import com.google.common.base.Optional;
public void like(Sone localSone);
public void unlike(Sone localSone);
+ Set<Sone> getLikes();
+
List<PostReply> getReplies();
}