Examine source code of Pinned Tab Sets

{
  "manifest_version": 3,
  "name": "Pinned Tab Sets",
  "short_name": "PinnedTabSets",
  "version": "1.3.5",
  "description": "Save your pinned tabs as named sets and reload them in one click.",
  "icons": {
    "16": "img/icon-16.png",
    "32": "img/icon-32.png",
    "64": "img/icon-64.png",
    "128": "img/icon-128.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "action": {
    "default_icon": {
      "16": "img/icon-16.png",
      "32": "img/icon-32.png",
      "64": "img/icon-64.png",
      "128": "img/icon-128.png"
    },
    "default_popup": "popup.html",
    "default_title": "Pinned Tab Sets"
  },
  "background": {
    "scripts": [
      "js/service_worker.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e2ba580-db22-4f4b-9ae0-4cd0b418f42e}",
      "strict_min_version": "112.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}