GetManifestworkApplied return only True status if there all clusters have manifests applied as expected.

GetPlacementDecisionVerified return only True status if there are clusters selected.

GetPlacementRollout return only True status if there are clusters selected.

ManifestWorkReplicaSetControllerNameLabelKey is the label key on manifestwork to ref to the ManifestWorkReplicaSet that owns this manifestwork TODO move this to the api repo.

ManifestWorkReplicaSetFinalizer is the name of the finalizer added to ManifestWorkReplicaSet.

ManifestWorkReplicaSetPlacementNameLabelKey is the label key on manifestwork to ref to the Placement that select the managedCluster on the manifestWorkReplicaSet's PlacementRef.

ManifestWorkReplicaSetReconcile is a interface for reconcile logic.