{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Ordered classification hierarchy (e.g. clearance levels).",
  "properties": {
    "compartments": {
      "anyOf": [
        {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Compartments"
    },
    "levels": {
      "items": {
        "type": "string"
      },
      "title": "Levels",
      "type": "array"
    },
    "name": {
      "title": "Name",
      "type": "string"
    }
  },
  "required": [
    "name",
    "levels"
  ],
  "title": "HierarchyDefinition",
  "type": "object"
}