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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_shortDesc__",
  "version": "1.5.3",
  "default_locale": "en",
  "icons": {
    "16": "logo/lg-16_x_16.png",
    "48": "logo/lg-48_x_48.png",
    "64": "logo/lg-64_x_64.png",
    "96": "logo/lg-96_x_96.png",
    "128": "logo/lg-128_x_128.png"
  },
  "options_page": "options/options.html",
  "action": {
    "default_title": "Change Tab Shortcut",
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "hotkeysPopup": {
      "suggested_key": {
        "default": "Alt+Q",
        "mac": "MacCtrl+Q"
      },
      "description": "Show Hotkeys Popup"
    },
    "flipTabs": {
      "suggested_key": {
        "default": "Ctrl+Q",
        "mac": "MacCtrl+R"
      },
      "description": "Flip between the two most Recent Tabs"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/utils.js",
        "lib/ratepop/ratepop.js",
        "cs/cs.js"
      ],
      "css": [
        "cs/cs.css"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "permissions": [
    "tabs",
    "activeTab",
    "contextMenus",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "service-worker.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/img/br-action.png",
        "lib/ratepop/*.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ]
}