Examine source code of Default Account for Google™ products

{
  "name": "Default Account for Google™ products",
  "description": "Select and manage your default account for 🎥 Google Meet™, 📩 Gmail™, or any other product.",
  "version": "1.14",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "roman.furman@uptech.team",
      "strict_min_version": "42.0"
    }
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "utils.js",
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "commands": {
    "switch_to_ga_1": {
      "suggested_key": {
        "default": "Alt+1",
        "mac": "Alt+1"
      },
      "description": "Switch to Google™ Account #1"
    },
    "switch_to_ga_2": {
      "suggested_key": {
        "default": "Alt+2",
        "mac": "Alt+2"
      },
      "description": "Switch to Google™ Account #2"
    },
    "switch_to_ga_3": {
      "suggested_key": {
        "default": "Alt+3",
        "mac": "Alt+3"
      },
      "description": "Switch to Google™ Account #3"
    },
    "switch_to_ga_4": {
      "suggested_key": {
        "default": "Alt+4",
        "mac": "Alt+4"
      },
      "description": "Switch to Google™ Account #4"
    },
    "switch_to_ga_5": {
      "description": "Switch to Google™ Account #5"
    },
    "switch_to_ga_6": {
      "description": "Switch to Google™ Account #6"
    },
    "switch_to_ga_7": {
      "description": "Switch to Google™ Account #7"
    },
    "switch_to_ga_8": {
      "description": "Switch to Google™ Account #8"
    },
    "switch_to_ga_9": {
      "description": "Switch to Google™ Account #9"
    }
  },
  "icons": {
    "16": "/images/16.png",
    "32": "/images/32.png",
    "48": "/images/48.png",
    "128": "/images/128.png"
  }
}