cannot use handles (variable of type map[string]"k8s.io/client-go/tools/cache".ResourceEventHandlerRegistration) as "k8s.io/client-go/tools/cache".ResourceEventHandlerRegistration value in return statement: map[string]"k8s.io/client-go/tools/cache".ResourceEventHandlerRegistration does not implement "k8s.io/client-go/tools/cache".ResourceEventHandlerRegistration (missing method HasSynced)