Examine source code of Translate Selection(FA)

{
  "manifest_version": 3,
  "name": "Translate Selection",
  "version": "1.0.1",
  "description": "Adds a context menu item to quickly translate selected text using Google Translate.",
  "icons": {
    "48": "g_translate-48.png"
  },
  "permissions": [
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@quick-translator.hmdgdrz",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}