std::string to_string() const {
std::stringstream ss;
ss << tpl.alias << "[" << tpl.alias << "] = "
<< "{tpl: " << tpl.to_string();
if (!user.empty()) {
ss << ", user: "******", domain: " << domain
<< ", password: "******"}";
return ss.str();
}
std::string to_string() const {
std::stringstream ss;
ss << tpl.to_string() << "{counter: " << counter << ", " << collection_strategy << ", " << type << "}";
return ss.str();
}