{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rig.works/schemas/rig.bim.spec.schema.json",
  "title": "rig.bim.spec",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "ifcVersion": {
      "type": "string",
      "enum": [
        "ifc2x3",
        "ifc4",
        "ifc4x3"
      ]
    },
    "description": {
      "$ref": "./_defs.schema.json#/$defs/string"
    },
    "instructions": {
      "$ref": "./_defs.schema.json#/$defs/string"
    },
    "applicability": {
      "type": "array",
      "items": {
        "$ref": "./_defs.schema.json#/$defs/entity"
      }
    },
    "requirements": {
      "type": "array",
      "items": {
        "$ref": "./_defs.schema.json#/$defs/entity"
      }
    }
  }
}