[{
  "text": "Root",
  "icon": "fa fa-hdd text-warning",
  "state": {"opened": true},
  "children": [{
    "text": "Directory",
    "icon": "fa fa-folder text-warning"
  }, {
    "text": "File unread",
    "icon": "far fa-file"
  }, {
    "text": "Another directory",
    "icon": "fa fa-folder text-warning",
    "state": {"opened": true},
    "children": [{
      "text": "File text",
      "icon": "far fa-file-alt"
    }, {
      "text": "File word",
      "icon": "far fa-file-alt"
    }, {
      "text": "File excel",
      "icon": "far fa-file-excel"
    }, {
      "text": "File powerpoint",
      "icon": "far fa-file-powerpoint",
      "state": {"disabled": true}
    }, {
      "text": "File pdf",
      "icon": "far fa-file-pdf"
    }, {
      "text": "File archive",
      "icon": "far fa-file-archive"
    }, {
      "text": "File image",
      "icon": "far fa-file-image"
    }, {
      "text": "File audio",
      "icon": "far fa-file-audio"
    }, {
      "text": "File video",
      "icon": "far fa-file-video"
    }]
  }, {
    "text": "Something else",
    "icon": "fa fa-folder text-warning"
  }, {
    "text": "File unread",
    "icon": "far fa-file"
  }]
}]
