Get a list of URIs of subjects which frequently occur together with events matching event_templates. Possibly restricting to time_range or to URIs that occur as subject of events matching result_event_templates.
| time_range | 
                 TimeRange A time range in which the events should be considered in  | 
            
| event_templates | 
                 An GLib.GenericArray of Event describing the events to relate to  | 
            
| result_event_templates | 
                 An GLib.GenericArray of Event desrcibing the result to be returned  | 
            
| storage_state | 
                 StorageState storage state  | 
            
| num_events | 
                 int represteing the number of events that should be returned  | 
            
| result_type | 
                 ResultType how the events should be grouped and sorted  | 
            
| cancellable | 
                 a GLib.Cancellable to cancel the operation or %NULL  |