Examine source code of Tab Group Shortcut

{
  "manifest_version": 2,
  "name": "Tab Group Shortcut",
  "version": "1.0.0",
  "description": "Adds keyboard shortcuts to group the current tab (or selection) and rename its tab group.",
  "permissions": [
    "tabs",
    "tabGroups"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "create-active-tab-group": {
      "suggested_key": {
        "default": "Alt+G",
        "mac": "Alt+G"
      },
      "description": "Create a new tab group with the active tab or current selection"
    },
    "rename-current-tab-group": {
      "suggested_key": {
        "default": "Alt+B",
        "mac": "Alt+B"
      },
      "description": "Rename the tab group that contains the active tab"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-group-shortcut@luascfl"
    }
  }
}