kubernetes/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/cel/maplist.go

// makeMapList returns a queryable interface over the provided x-kubernetes-list-type=map
// keyedItems. If the provided schema is _not_ an array with x-kubernetes-list-type=map, returns an
// empty mapList.
func makeMapList(sts *schema.Structural, items []interface{ … }