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manifest.json

{
  "manifest_version": 3,
  "name": "Undo Tabs",
  "version": "1.0",
  "description": "Quickly restore recently closed tabs with a modern design",
  "permissions": [
    "tabs",
    "sessions"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.png"
    }
  },
  "icons": {
    "16": "icon.png"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}