public static int GenerateNewId(VisualTreeAsset vta, VisualElementAsset vea)
        {
            int parentHash;

            if (!vea.HasParent())
            {
                parentHash = vta.GetHashCode();
            }
            else
            {
                parentHash = vea.parentId;
            }

            var guid = System.Guid.NewGuid().GetHashCode();

            return((vta.GetNextChildSerialNumber() + 585386304) * -1521134295 + parentHash + guid);
        }