org.freedesktop.Problems2— The Problems Service manages all the crashes.
org.freedesktop.Problems2.Entry— The Entry represents single problem.
org.freedesktop.Problems2.Session— Session objects hold information about identity of clients. A session object is created automatically when a new client makes connection. Clients are treated as an anonymous users until they are authorized in 'Authorize' method.
org.freedesktop.Problems2.Task— Represents an long running task