Examine source code of Secure Search

{
  "manifest_version": 3,
  "name": "Secure Search",
  "description": "Prevents access to unnecessary or harmful websites to improve browsing safety.",
  "version": "1.0",
  "action": {
    "default_icon": "image.png",
    "default_popup": "popup.html",
    "default_title": "Secure Search"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "declarativeNetRequest",
    "declarativeNetRequestFeedback",
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "securesearch@local",
      "strict_min_version": "113.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}