public SerializableConcurrentContainer([NotNull][ItemNotNull] IEnumerable <TValue> values) : base(
         ContainerUtils.GetKeySelector <TValue, TKey>(), values,
         ContainerUtils.GetKeyEqualityComparer <TValue, TKey>())
 {
 }
 public SerializableConcurrentContainer() : base(ContainerUtils.GetKeySelector <TValue, TKey>(),
                                                 Array.Empty <TValue>(), ContainerUtils.GetKeyEqualityComparer <TValue, TKey>())
 {
 }