nifi-registry-web-api/src/main/resources/swagger/security-definitions.json

{
  "BasicAuth": {
    "type": "basic",
    "description": "HTTP Basic Auth"
  },
  "Authorization": {
    "type": "apiKey",
    "name": "Authorization",
    "in": "header",
    "description": "NiFi Registry Auth Token (JWT)"
  }
}