rules:
- define.html: [autonomous-custom-elements]
- per-document.html: [autonomous-custom-elements]
- upgrade.html: [autonomous-custom-elements]
- valid-custom-element-names.html: [autonomous-custom-elements]
- define-customized-builtins.html: [customized-built-in-elements]
- "*": [scoped-custom-element-registries]
