func (i *informer[I]) GetKey(k Key[I]) *I {
	// ns, n := splitKeyFunc(string(k))
	// Internal optimization: we know kclient will eventually lookup "ns/name"
	// We also have a key in this format.
	// Rather than split and rejoin it later, just pass it as the name
	// This is depending on "unstable" implementation details, but we own both libraries and tests would catch any issues.
	if got := i.inf.Get(string(k), ""); !controllers.IsNil(got) {
		return &got