virtual bool updateIdentity(UserId user, const CoreIdentity &identity) = 0;
virtual void removeIdentity(UserId user, IdentityId identityId) = 0;
virtual QList<CoreIdentity> identities(UserId user) = 0;
virtual bool updateIdentity(UserId user, const CoreIdentity &identity) = 0;
virtual void removeIdentity(UserId user, IdentityId identityId) = 0;
virtual QList<CoreIdentity> identities(UserId user) = 0;