Examine source code of TabsPack: Cross Browser Tab Export & Restore

{
  "manifest_version" : 3 ,
  "default_locale" : "en" ,
  "name" : "__MSG_extName__" ,
  "version" : "1.1.0",
  "description" : "__MSG_extDescription__" ,
  "browser_specific_settings": {
    "gecko": {
      "id": "tabspack@palworks.ai",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "personalCommunications",
          "personallyIdentifyingInfo",
          "technicalAndInteraction"
        ]
      }
    }
  },
  "icons" : {
    "16" : "icons/icon-16.png",
    "32" : "icons/icon-32.png",
    "48" : "icons/icon-48.png",
    "128" : "icons/icon-128.png"
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_title" : "__MSG_brandName__" ,
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png",
      "48" : "icons/icon-48.png"
    }
  },
  "background" : {
    "scripts" : [
      "sw.js" 
    ]
  },
  "permissions" : [
    "tabs" ,
    "storage" ,
    "downloads" ,
    "alarms" 
  ],
  "optional_permissions" : [
    "tabGroups" ,
    "sessions" 
  ],
  "optional_host_permissions" : [
    "https://tabspack-support.palworks.ai/*" 
  ],
  "content_security_policy" : {
    "extension_pages": "script-src 'self'; object-src 'none'"
  },
  "commands" : {
    "export-all-windows": {
      "suggested_key": {
        "default": "Alt+Shift+E"
      },
      "description" : "__MSG_cmdExportAll__" 
    },
    "export-current-window": {
      "suggested_key": {
        "default": "Alt+Shift+D"
      },
      "description" : "__MSG_cmdExportCurrent__" 
    },
    "save-snapshot": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description" : "__MSG_cmdSaveSnapshot__" 
    }
  },
  "options_ui" : {
    "page": "manager.html#settings" ,
    "open_in_tab": true
  }
}