assertEquals(ImmutableSortedMap.of(2, 0), Maps.subMap(map, Range.open(0, 4)));
    assertEquals(ImmutableSortedMap.of(4, 0), Maps.subMap(map, Range.open(2, 6)));
    assertEquals(ImmutableSortedMap.of(4, 0, 6, 0), Maps.subMap(map, Range.open(3, 7)));
    assertEquals(empty, Maps.subMap(map, Range.open(20, 30)));

    assertEquals(map, Maps.subMap(map, Range.openClosed(0, 12)));

    assertEquals(ImmutableSortedMap.of(2, 0), Maps.subMap(map, Range.open(0, 4)));
    assertEquals(ImmutableSortedMap.of(4, 0), Maps.subMap(map, Range.open(2, 6)));
    assertEquals(ImmutableSortedMap.of(4, 0, 6, 0), Maps.subMap(map, Range.open(3, 7)));
    assertEquals(empty, Maps.subMap(map, Range.open(20, 30)));

    assertEquals(map, Maps.subMap(map, Range.openClosed(0, 12)));

    public void clear() {
      standardClear();
    }

    @Override
    public boolean isEmpty() {
      return standardIsEmpty();
    }

    @Override
    public SortedMap<K, V> subMap(K fromKey, K toKey) {
      return standardSubMap(fromKey, toKey);
    }

    @Override
    public @Nullable Entry<K, V> lowerEntry(K key) {
      return standardLowerEntry(key);
    }

    @Override

ah????ok!.&a&dusay?kadih?mayotom?r&ah&im?usuy??umakan??sot!ihsin??wa&g&atik?odoyin??k&as?o????i&esieg?hco!k??jamu?k&a!sus??usto??ma&gak?k??rahan??o&mukus?n&i?ust!ihsagih???torum?yot!o???u&koknan?zimihsasot????ugamay!.&a&m&ayukot?ihso??toyot??e&bu?subat??i&gah?kesonomihs?nukawi?rakih??nanuhs?otagan?u&ba?foh?otim?stamaduk?uy?????s&anamay!.&a&dihsoyijuf?mayabat?r&ahoneu?ustakihsin??w&a&k&ayah?ijuf??suran??ohs???egusok?i&ak?h&cimakan?s&anamay?od???k&asarin?u&feuf?sto????o&k&akanamay?ihcugawakijuf??n...