kubernetes/staging/src/k8s.io/kubectl/pkg/cmd/wait/delete.go

// IsDeleted is a condition func for waiting for something to be deleted
func IsDeleted(ctx context.Context, info *resource.Info, o *WaitOptions) (runtime.Object, bool, error) { … }

type Wait …

// IsDeleted returns true if the object is deleted. It prints any errors it encounters.
func (w Wait) IsDeleted(event watch.Event) (bool, error) { … }