Examine source code of Save Image as Format

{
  "manifest_version": 3,
  "name": "Save Image as Format",
  "version": "1.0.0",
  "description": "Convert an image locally in Firefox and download it as PNG, JPEG, WebP, GIF, AVIF, or BMP.",
  "permissions": [
    "menus",
    "contextMenus",
    "downloads",
    "notifications",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "save-image-as-format@example.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "109.0"
    }
  }
}