Adds a conversion to session and permanent conversions if possible.

Assigns an A/B variant to current user so that it can be used on next visit. From now on, permanent conversions can be also saved to user's state.

Excludes visitor from A/B test.

Gets permanent conversions that are done by current user.

Gets session conversions that are done by current user.

Gets identifier of the A/B variant assigned to the current user. Returns null, if the user hasn't got any variant assigned yet.

Returns true when A/B test cookie is defined.

Returns true if user has visited A/B test page and has visit session.

Sets a A/B test visit for current user so that from now on, conversions can be logged also as A/B test session conversions.

Sets current A/B test visit to the session store.