Examine source code of Startpage Bypass Redirector

{
  "manifest_version": 3,
  "name": "Startpage Bypass Redirector",
  "version": "2.1.1",
  "description": "Create custom URL redirect rules, including rules that apply only when Firefox starts.",
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "declarativeNetRequestWithHostAccess"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/active-16.png",
    "32": "icons/active-32.png",
    "48": "icons/active-48.png",
    "96": "icons/active-96.png",
    "128": "icons/active-128.png"
  },
  "action": {
    "default_title": "Startpage Bypass Redirector",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/inactive-16.png",
      "32": "icons/inactive-32.png",
      "48": "icons/inactive-48.png",
      "64": "icons/inactive-64.png",
      "96": "icons/inactive-96.png",
      "128": "icons/inactive-128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "keepalive",
        "enabled": true,
        "path": "rules/keepalive.json"
      }
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "startpage-bypass-redirector@local.invalid",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}