{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:SizeSystemEnumeration",
  "title": "SizeSystemEnumeration",
  "description": "Enumerates common size systems for different categories of products, for example \"EN-13402\" or \"UK\" for wearables or \"Imperial\" for screws.",
  "type": "string",
  "oneOf": [
    { "description": "Imperial size system.", "const": "SizeSystemImperial" },
    { "description": "Metric size system.", "const": "SizeSystemMetric" }
  ]
}