}
                    return table.cellSet();
                  }

                  @Override
                  Table<String, Integer, Character> createTable() {
                    throw new UnsupportedOperationException();
                  }
                })
            .named("ArrayTable.cellSet")
            .withFeatures(
                CollectionSize.ONE,

                    }
                    return table.cellSet();
                  }

                  @Override
                  Table<String, Integer, Character> createTable() {
                    throw new UnsupportedOperationException();
                  }
                })
            .named("ArrayTable.cellSet")
            .withFeatures(
                CollectionSize.ONE,

    BiPredicate<ImmutableTable<String, String, Integer>, ImmutableTable<String, String, Integer>>
        equivalence = pairwiseOnResultOf(ImmutableTable::cellSet);
    CollectorTester.of(collector, equivalence)
        .expectCollects(
            new ImmutableTable.Builder<String, String, Integer>()
                .put("one", "uno", 1)
                .put("two", "dos", 2)

      /*
       * This sorting logic leads to a cellSet() ordering that may not be expected and that isn't
       * documented in the Javadoc. If a row Comparator is provided, cellSet() iterates across the
       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first

      }
    }
  }

  ImmutableTable() {}

  @Override
  public ImmutableSet<Cell<R, C, V>> cellSet() {
    return (ImmutableSet<Cell<R, C, V>>) super.cellSet();
  }

  @Override
  abstract ImmutableSet<Cell<R, C, V>> createCellSet();

  @Override
  final UnmodifiableIterator<Cell<R, C, V>> cellIterator() {

      /* TODO: verify that the Collection is also synchronized? */
      return delegate.values();
    }

    @Override
    public Set<Cell<R, C, V>> cellSet() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.cellSet();
    }

    @Override
    public Map<R, V> column(C columnKey) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.column(columnKey);
    }

      }
    }
  }

  ImmutableTable() {}

  @Override
  public ImmutableSet<Cell<R, C, V>> cellSet() {
    return (ImmutableSet<Cell<R, C, V>>) super.cellSet();
  }

  @Override
  abstract ImmutableSet<Cell<R, C, V>> createCellSet();

  @Override
  final UnmodifiableIterator<Cell<R, C, V>> cellIterator() {

      /* TODO: verify that the Collection is also synchronized? */
      return delegate.values();
    }

    @Override
    public Set<Cell<R, C, V>> cellSet() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.cellSet();
    }

    @Override
    public Map<R, V> column(C columnKey) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.column(columnKey);
    }

    validateViewOrdering(original, built);
  }

  private static <R, C, V> void validateViewOrdering(Table<R, C, V> original, Table<R, C, V> copy) {
    assertThat(copy.cellSet()).containsExactlyElementsIn(original.cellSet()).inOrder();
    assertThat(copy.rowKeySet()).containsExactlyElementsIn(original.rowKeySet()).inOrder();
    assertThat(copy.values()).containsExactlyElementsIn(original.values()).inOrder();
  }

    @Override
    protected Table<R, C, V> delegate() {
      return (Table<R, C, V>) delegate;
    }

    @Override
    public Set<Cell<R, C, V>> cellSet() {
      return Collections.unmodifiableSet(super.cellSet());
    }

    @Override
    public void clear() {
      throw new UnsupportedOperationException();
    }

    @Override