Examine source code of Smart Tab Hibernator

{
  "manifest_version": 3,
  "name": "Smart Tab Hibernator",
  "version": "1.0",
  "description": "An automated utility designed to reduce browser memory usage by unloading background processes and stale web infrastructure.",
  "permissions": [
    "tabs",
    "browsingData",
    "storage",
    "alarms",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-tab-hibernator@local-extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  }
}