{
  "entity": "Order",
  "id": { "name": "id", "type": "Long", "generated": true },
  "fields": [
    { "name": "orderNumber", "type": "String" },
    { "name": "total", "type": "BigDecimal" }
  ],
  "relationships": [
    { "type": "ONE_TO_MANY", "name": "items", "target": "OrderItem", "mappedBy": "order" }
  ]
}