{
  "schema": "IFC4",
  "counts": {
    "IfcWall": 14,
    "IfcWindow": 14,
    "IfcSpace": 8,
    "IfcDoor": 6,
    "IfcSlab": 3
  },
  "storeys": [
    {
      "name": "Ground Floor",
      "elevation": 0.0,
      "counts": {
        "IfcDoor": 4,
        "IfcSlab": 1,
        "IfcWall": 7,
        "IfcWindow": 6,
        "IfcSpace": 4
      }
    },
    {
      "name": "First Floor",
      "elevation": 2.9,
      "counts": {
        "IfcDoor": 2,
        "IfcSlab": 1,
        "IfcWall": 7,
        "IfcWindow": 8,
        "IfcSpace": 4
      }
    },
    {
      "name": "Roof",
      "elevation": 5.8,
      "counts": {
        "IfcSlab": 1
      }
    }
  ],
  "floorAreaM2": 225.5,
  "warnings": []
}