updateMultiOwnerLightAccountOwners

const updateMultiOwnerLightAccountOwners: <
  TTransport,
  TChain,
  TSigner,
  TAccount,
>(
  client,
  args,
) => Promise<Hex>;

import {
  updateOwners,
  createLightAccountClient,
} from "@account-kit/smart-contracts";
 
const lightAccountClient = createLightAccountClient({
  signer,
  transport,
  chain,
});
 
const txHash = await updateOwners(lightAccountClient, {
  ownerstoAdd: [newOwnerAddress], // or empty if you just want to remove owners
  ownersToRemove: [oldOwnerAddress], // or empty if you just want to add owners
  waitForTxn: true, // set to false to return a uoHash instead
});