{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Pair of categorical values used to specify a range in an ordinal reference system (specified by the code space)",
  "type": "object",
  "allOf": [
    {
      "$ref": "./AbstractSimpleComponent.json"
    },
    {
      "properties": {
        "type": {
          "const": "CategoryRange"
        },
        "codeSpace": {
          "description": "Name of the dictionary defining an ordered set of values with respect to which the range is expressed (ordinal reference system)",
          "type": "string",
          "format": "uri"
        },
        "constraint": {
          "$ref": "basicTypes.json#/definitions/AllowedTokens"
        },
        "nilValues": {
          "$ref": "basicTypes.json#/definitions/NilValuesText"
        },
        "value": {
          "type": "array",
          "minItems": 2,
          "maxItems": 2,
          "items": {
            "type": "string"
          }
        }
      },
      "required": [
        "type",
        "definition",
        "label"
      ]
    }
  ]
}