{
  "schema": "IFC4",
  "counts": {
    "IfcWindow": 15,
    "IfcDoor": 7,
    "IfcWall": 7,
    "IfcSpace": 3,
    "IfcSlab": 2
  },
  "storeys": [
    {
      "name": "Ground Floor",
      "elevation": 0.0,
      "counts": {
        "IfcDoor": 7,
        "IfcSlab": 1,
        "IfcWall": 7,
        "IfcWindow": 15,
        "IfcSpace": 3
      }
    },
    {
      "name": "Roof",
      "elevation": 7.0,
      "counts": {
        "IfcSlab": 1
      }
    }
  ],
  "floorAreaM2": 567.7,
  "warnings": []
}