copy method
Implementation
TopicSubscription copy() {
return TopicSubscription(
user: user,
updated: updated,
touched: touched,
deleted: deleted,
created: created,
acs: acs,
read: read,
recv: recv,
clear: clear,
public: public,
private: private,
online: online,
topic: topic,
seq: seq,
seen: seen,
noForwarding: noForwarding,
mode: mode,
);
}