repository-invitation

record repository-invitation {
  created-at: string,
  expired: option​<bool>,
  html-url: string,
  id: s32,
  invitee: nullable-simple-user,
  inviter: nullable-simple-user,
  node-id: string,
  permissions: repository-invitation-permissions-enum,
  repository: minimal-repository,
  url: string,
}