chromium/chrome/test/data/extensions/api_test/mdns/too_many_listeners/manifest.json

 {
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8xv6iO+j4kzj1HiBL93+XVJH/CRyAQMUHS/Z0l8nCAzaAFkW/JsNwxJqQhrZspnxLqbQxNncXs6g6bsXAwKHiEs+LSs+bIv0Gc/2ycZdhXJ8GhEsSMakog5dpQd1681c2gLK/8CrAoewE/0GIKhaFcp7a2iZlGh4Am6fgMKy0iQIDAQAB",
  "manifest_version": 3,
  "name": "MDNS too many listeners",
  "version": "1.0",
  "description": "Tests adding listeners above the limit.",
  "permissions": ["mdns"],
  "background": {
    "service_worker": "register_too_many_listeners.js"
  }
}