{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "AgreementPlanHeader",
  "definitions": {
    "BaseHeader": {
      "type": "object",
      "description": "Podstawowe właściwości nagłówków",
      "x-abstract": true,
      "additionalProperties": false,
      "properties": {
        "year": {
          "type": "integer",
          "description": "Rok",
          "format": "int32"
        },
        "branch": {
          "type": [
            "null",
            "string"
          ],
          "description": "Oddział wojewódzki"
        },
        "provider-code": {
          "type": [
            "null",
            "string"
          ],
          "description": "Kod świadczeniodawcy"
        },
        "provider-name": {
          "type": [
            "null",
            "string"
          ],
          "description": "Nazwa świadczeniodawcy"
        }
      }
    }
  },
  "allOf": [
    {
      "$ref": "#/definitions/BaseHeader"
    },
    {
      "type": "object",
      "description": "Nagłówek planu umowy\nSchema: https://api.nfz.gov.pl/app-umw-api/schemas/#agreement-plan-header",
      "additionalProperties": false,
      "properties": {
        "agreement-code": {
          "type": [
            "null",
            "string"
          ],
          "description": "Kod umowy"
        },
        "service-type-name": {
          "type": [
            "null",
            "string"
          ],
          "description": "Nazwa rodzaju świadczenia"
        }
      }
    }
  ]
}