Examine source code of Advanced Browser History

{
  "short_name": "Advanced Browser History",
  "name": "Advanced Browser History",
  "description": "View history as a tree, skip URLs from history, bulk-delete visits, search by URL or title, filter by domain or day, and group sites",
  "version": "2.0.1",
  "manifest_version": 3,
  "icons": {
    "16": "assets/icon_16.png",
    "24": "assets/icon_24.png",
    "32": "assets/icon_32.png",
    "48": "assets/icon_48.png",
    "64": "assets/icon_64.png",
    "128": "assets/icon_128.png",
    "256": "assets/icon_256.png",
    "512": "assets/icon_512.png"
  },
  "permissions": [
    "storage",
    "history"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_title": "Open Advanced Browser History"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3efd69e-29c9-4eb3-8802-7dd56d6eec61}"
    }
  }
}