*/
  @SuppressWarnings("unchecked") // TODO(cpovirk): Make constructor accept wildcard types?
  public static <R, C, V> ArrayTable<R, C, V> create(Table<R, C, ? extends @Nullable V> table) {
    return (table instanceof ArrayTable)
        ? new ArrayTable<R, C, V>((ArrayTable<R, C, V>) table)
        : new ArrayTable<R, C, V>(table);
  }

  private final ImmutableList<R> rowList;
  private final ImmutableList<C> columnList;

                    Table<String, Integer, Character> table =
                        ArrayTable.create(ImmutableList.copyOf(elements), ImmutableList.of(1, 2));
                    populateForRowKeySet(table, elements);
                    return table.rowKeySet();
                  }
                })
            .named("ArrayTable.rowKeySet")
            .withFeatures(
                CollectionSize.ONE,

                    Table<String, Integer, Character> table =
                        ArrayTable.create(ImmutableList.copyOf(elements), ImmutableList.of(1, 2));
                    populateForRowKeySet(table, elements);
                    return table.rowKeySet();
                  }
                })
            .named("ArrayTable.rowKeySet")
            .withFeatures(
                CollectionSize.ONE,

          Table<R, C, V> contents) {
        if (contents.isEmpty()) {
          return ImmutableTable.of();
        } else {
          return ArrayTable.create(contents);
        }
      }
    },
    ImmutableTableImpl {
      @Override
      <R extends Comparable<R>, C extends Comparable<C>, V> Table<R, C, V> create(
          Table<R, C, V> contents) {

          Table<R, C, V> contents) {
        if (contents.isEmpty()) {
          return ImmutableTable.of();
        } else {
          return ArrayTable.create(contents);
        }
      }
    },
    ImmutableTableImpl {
      @Override
      <R extends Comparable<R>, C extends Comparable<C>, V> Table<R, C, V> create(
          Table<R, C, V> contents) {