}
          RangeMap<Integer, Integer> subRangeMap = rangeMap.subRangeMap(subRange);
          assertEquals(expected, subRangeMap);
          assertEquals(expected.asMapOfRanges(), subRangeMap.asMapOfRanges());
          assertEquals(expected.asDescendingMapOfRanges(), subRangeMap.asDescendingMapOfRanges());
          assertEquals(
              ImmutableList.copyOf(subRangeMap.asMapOfRanges().entrySet()).reverse(),

        }

        @Override
        public RangeMap<Comparable<?>, Object> subRangeMap(Range<Comparable<?>> range) {
          checkNotNull(range);
          return this;
        }
      };

  private class SubRangeMap implements RangeMap<K, V> {

    private final Range<K> subRange;

    SubRangeMap(Range<K> subRange) {
      this.subRange = subRange;
    }

    @Override

        }

        @Override
        public RangeMap<Comparable<?>, Object> subRangeMap(Range<Comparable<?>> range) {
          checkNotNull(range);
          return this;
        }
      };

  private class SubRangeMap implements RangeMap<K, V> {

    private final Range<K> subRange;

    SubRangeMap(Range<K> subRange) {
      this.subRange = subRange;
    }

    @Override

   *
   * <p>For example, if {@code rangeMap} had the entries {@code [1, 5] => "foo", (6, 8) => "bar",
   * (10, ∞) => "baz"} then {@code rangeMap.subRangeMap(Range.open(3, 12))} would return a range map
   * with the entries {@code (3, 5] => "foo", (6, 8) => "bar", (10, 12) => "baz"}.
   *

    return new ImmutableRangeMap<K, V>(subRanges, values.subList(lowerIndex, upperIndex)) {
      @Override
      public ImmutableRangeMap<K, V> subRangeMap(Range<K> subRange) {
        if (range.isConnected(subRange)) {
          return outer.subRangeMap(subRange.intersection(range));
        } else {
          return ImmutableRangeMap.of();
        }
      }

   *
   * <p>For example, if {@code rangeMap} had the entries {@code [1, 5] => "foo", (6, 8) => "bar",
   * (10, ∞) => "baz"} then {@code rangeMap.subRangeMap(Range.open(3, 12))} would return a range map
   * with the entries {@code (3, 5] => "foo", (6, 8) => "bar", (10, 12) => "baz"}.
   *

              }
            }

            ImmutableRangeMap<Integer, Integer> expected = expectedBuilder.build();
            assertEquals(expected, rangeMap.subRangeMap(subRange));
          }
        }
      }
    }
  }

  public void testSerialization() {
    ImmutableRangeMap<Integer, Integer> emptyRangeMap = ImmutableRangeMap.of();

              }
            }

            ImmutableRangeMap<Integer, Integer> expected = expectedBuilder.build();
            assertEquals(expected, rangeMap.subRangeMap(subRange));
          }
        }
      }
    }
  }

  public void testSerialization() {
    ImmutableRangeMap<Integer, Integer> emptyRangeMap = ImmutableRangeMap.of();