hl7

{
  "schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://hl7.erp.uno/schema/Duration.schema.json",
  "$ref": "#/definitions/Duration",
  "description": "see https://hl7.org/fhir/R5/json.html for information about the FHIR Json Schemas",
  "definitions": {
    "Duration": {
      "allOf": [
        {
          "description": "A length of time.",
          "properties": {}
        }
      ]
    }
  }
}