Examine source code of Refresh All Tabs

{
  "name": "Refresh All Tabs",
  "version": "1.0.0.3",
  "manifest_version": 3,
  "description": "Refresh all tabs, bypassing locally stored cache (aka hard-refresh). That is all.",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "background": {
    "scripts": [
      "service_worker.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "host_permissions": [
    "https://*.amazonaws.com/*"
  ],
  "action": {
    "default_icon": "img/icon128.png",
    "default_title": "Refresh All Tabs"
  },
  "content_security_policy": {},
  "browser_specific_settings": {
    "gecko": {
      "id": "{5a696334-520c-45ee-b0f6-2c110f805e53}",
      "strict_min_version": "109.0"
    }
  }
}