{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ValidityResponse",
  "title": "Validity",
  "required": [
    "begin"
  ],
  "type": "object",
  "properties": {
    "begin": {
      "type": "string",
      "format": "date-time"
    },
    "end": {
      "type": "string",
      "format": "date-time",
      "nullable": true
    }
  },
  "additionalProperties": false
}