Examine source code of Atlassian Sites Manager

{
  "description": "View and manage the products and editions of all of your Cloud instances in one central place",
  "manifest_version": 2,
  "name": "Atlassian Sites Manager for Developers",
  "version": "1.3.2",
  "homepage_url": "https://bitbucket.org/atlassian/sites-manager-ext",
  "permissions": [
    "storage",
    "cookies",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "*://*.atlassian.net/*",
    "*://*.jira-dev.com/*",
    "*://*.atlassian.com/*",
    "*://*.atl-paas.net/*",
    "*://app.launchdarkly.com/api/*"
  ],
  "browser_action": {
    "default_popup": "index.html#popup"
  },
  "icons": {
    "16": "images/medal_icon16.png",
    "32": "images/medal_icon32.png",
    "48": "images/medal_icon48.png",
    "128": "images/medal_icon128.png"
  }
}