Examine source code of AdBlockers

{
  "manifest_version": 2,
  "name": "AdBlocker",
  "version": "1.0",
  "description": "A lightweight ad blocker that enhances your browsing experience by removing annoying ads.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "popup.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bcb7e84a-e0a8-4399-823b-07df46bc20c0}"
    }
  }
}