public TransactionNode <TInput, TNewOutput, TOutput, TNewErrorInfo> Then <TNewOutput, TNewErrorInfo>(Operation <TOutput, TNewOutput, TNewErrorInfo> operation)
where TNewErrorInfo : ErrorInfo, new()
{
var tn = new TransactionNode <TInput, TNewOutput, TOutput, TNewErrorInfo>(operation);
tn.SetParent(this);
return(tn);
}
protected void SetParent <TAny, TAny2>(TransactionNode <TInput, TParentOutput, TAny, TAny2> parent)
where TAny2 : ErrorInfo, new()
{
this.Parent = parent;
}