{
  "commands": [
    {
      "command": "lindex",
      "args": [
        {
          "value": "$foo",
          "hasVariable": true,
          "hasSubExpr": true,
          "stopBackslash": false
        },
        {
          "value": "2",
          "hasVariable": false,
          "hasSubExpr": false,
          "stopBackslash": false
        }
      ],
      "source": "lindex $foo 2",
      "sourceLocation": 0
    }
  ]
}