Examine source code of Remove Google AI-Overview

{
  "manifest_version": 2,
  "name": "Remove Ai-Overview",
  "version": "1.1",
  "description": "appends the -ai string to every search query to remove ai overview",
  "icons": {
    "48": "icons/-ai_extension_icon_v3_48x48.png",
    "96": "icons/-ai_extension_icon_v3_96x96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.google.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@Remove-AI-Overview",
      "data_collection_permissions": {
        "required": [
          "searchTerms"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "AppendString.js"
    ]
  }
}