source.Kind (value of type func(cache "sigs.k8s.io/controller-runtime/pkg/cache".Cache, object client.Object) source.SyncingSource) is not a type

cannot use &EnqueueForHelmTrigger{…} (value of type *EnqueueForHelmTrigger) as handler.EventHandler value in argument to ctrl.NewControllerManagedBy(mgr).For(&konfirm.TestSuite{}).Owns(&konfirm.TestRun{}).Watches: *EnqueueForHelmTrigger does not implement handler.EventHandler (wrong type for method Create)