function createAddProxy (api: ApiPromise, account: AccountId, type: KitchensinkRuntimeProxyType, delay = 0): SubmittableExtrinsic<'promise'> {
  return api.tx.proxy.addProxy.meta.args.length === 2
    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
    // @ts-ignore old version
    ? api.tx.proxy.addProxy(account, type)