internal UnionWriteContract(Type type, ContractCollection contractCollection)
{
if (!CanProcess(type))
{
throw new ArgumentException($"Type {type} must be a union.", nameof(type));
}
Members = Union.GetTypes(type)
.Select(t => new Member(UnionEncoding.GetTypeName(t), contractCollection.GetOrAddWriteContract(t)))
.OrderBy(m => m.Id, StringComparer.OrdinalIgnoreCase)
.ToArray();
}