byte[] fuck = new byte[100]; // from server
Span<char> chars = stackalloc char[fuck.Length * 2];
if (Utf8.ToUtf16(fuck, chars, out int read, out int written) == OperationStatus.Done)
{
    int number = int.Parse(chars, System.Globalization.NumberStyles.HexNumber);
}

 var notIncludedChildren = element.Where(w =>TypesToSkip.Contains(w.Name));

            foreach (var child in notIncludedChildren)
            {
                var cleanChild = child.DoSomeWork();
                ExecuteInnerMethod(child, cleanChild);
                yield return cleanChild;
            }