int transaction_activate(Transaction *tr, Manager *m, JobMode mode, DBusError *e);
int transaction_add_isolate_jobs(Transaction *tr, Manager *m);
void transaction_abort(Transaction *tr);
int transaction_activate(Transaction *tr, Manager *m, JobMode mode, DBusError *e);
int transaction_add_isolate_jobs(Transaction *tr, Manager *m);
void transaction_abort(Transaction *tr);