Examine source code of SimpleCookie

{
  "description": "A minimalist yet efficient cookie manager for Firefox",
  "host_permissions": [
    "<all_urls>"
  ],
  "version": "3.4.2",
  "author": "micka",
  "permissions": [
    "browsingData",
    "contextualIdentities",
    "cookies",
    "storage",
    "tabs"
  ],
  "homepage_url": "https://github.com/mickaphd/SimpleCookie",
  "options_ui": {
    "page": "settings.html"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "manifest_version": 3,
  "name": "SimpleCookie",
  "icons": {
    "48": "resources/48.png",
    "96": "resources/96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{52eda0cb-74ba-4cdc-93cf-6454e8ca6fa4}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}