| 1 | import java.util.Collections; |
| 2 | import java.util.TreeSet; |
| 3 | import java.util.function.BiConsumer; |
| 4 | import java.util.function.Supplier; |
| 5 | |
| 6 | class MethodReference { |
| 7 | |
| 8 | BiConsumer<TreeSet<Integer>, Integer> biConsumer = TreeSet::add; |
| 9 | |
| 10 | Supplier<?> supplier = Collections::emptyList; |
| 11 | |
| 12 | } |