message: revert nodelists to using numeric keys
diff: }
  ]
  },
  - "NodeList": {
  - "name": "NodeList",
  - "iterator": {
  - "kind": "iterable",
  - "type": [{
  - "override-type": "Node"
  - }]
  - }
  - },
  "ServiceWorkerContainer": {
  "name": "ServiceWorkerContainer",
  "methods": {
  