@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class ArrayTable<R, C, V> extends AbstractTable<R, C, @Nullable V>
    implements Serializable {

  /**
   * Creates an {@code ArrayTable} filled with {@code null}.
   *
   * @param rowKeys row keys that may be stored in the generated table
   * @param columnKeys column keys that may be stored in the generated table