Examine source code of AEM Environment Switcher

{
  "manifest_version": 2,
  "name": "AEM Environment Switcher",
  "version": "2.0.0",
  "description": "Quickly switch between AEM environments (Author, Publish, Preview).",
  "browser_specific_settings": {
    "gecko": {
      "id": "aem-env-switcher@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon-light-16.png",
      "48": "icon-light-48.png",
      "128": "icon-light-128.png"
    },
    "theme_icons": [
      {
        "light": "icon-dark-16.png",
        "dark": "icon-light-16.png",
        "size": 16
      },
      {
        "light": "icon-dark-48.png",
        "dark": "icon-light-48.png",
        "size": 48
      },
      {
        "light": "icon-dark-128.png",
        "dark": "icon-light-128.png",
        "size": 128
      }
    ]
  },
  "icons": {
    "16": "icon-light-16.png",
    "48": "icon-light-48.png",
    "128": "icon-light-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "sidepanel.html",
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "AEM Env Switcher Settings"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "content_security_policy": "script-src 'self'; style-src 'self' 'unsafe-inline'; object-src 'self'"
}