Examine source code of Tab Sync Lite

{
  "manifest_version": 3,
  "name": "Tab Sync Lite",
  "version": "1.2",
  "description": "Simple extension to sync tabs between computers using firefox account",
  "permissions": [
    "tabs",
    "storage"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-syncer-lite@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collectsTelemetry": false,
        "collectsAccountInfo": false,
        "collectsSearchInfo": false,
        "collectsCookies": false,
        "collectsBrowsingHistory": false
      }
    }
  }
}