Examine source code of Reject Service Worker

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "0.9.0",
  "default_locale": "en",
  "author": "toshi",
  "homepage_url": "https://www.bugbugnow.net/",
  "developer": {
    "name": "toshi",
    "url": "https://github.com/k08045kk"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "RejectServiceWorker@bugbugnow.net",
      "strict_min_version": "115.0"
    },
    "gecko_android": {
      "strict_min_version": "121.0"
    }
  },
  "background": {
    "scripts": [
      "/common.js",
      "/background.js"
    ]
  },
  "browser_action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "/popup/popup.html"
  },
  "options_ui": {
    "page": "/options/options.html"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "https://*/*"
      ],
      "match_about_blank": true,
      "run_at": "document_start",
      "js": [
        "/content_scripts/firefox.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}