nullable-integration

record nullable-integration {
  client-id: option​<string>,
  client-secret: option​<string>,
  created-at: string,
  description: string,
  events: list​<string>,
  external-url: string,
  html-url: string,
  id: s32,
  installations-count: option​<s32>,
  name: string,
  node-id: string,
  owner: nullable-simple-user,
  pem: option​<string>,
  permissions: nullable-integration-permissions,
  slug: option​<string>,
  updated-at: string,
  webhook-secret: option​<string>,
}