{
  "type": "object",
  "patternProperties": {
    ".*": {
      "type": "object",
      "required": ["path", "type"],
      "properties": {
        "path": { "type": "array" },
        "type": { "type": "string" },
        "label": { "type": ["string", "null"] }
      },
      "additionalProperties": false
    }
  }
}