import { ethers } from 'ethers';
/**
 * Batch transfers pod memberships. If a signer is provided, it will execute the transaction. Otherwise it will return the unsigned tx.
 *
 * @param fromAddress - Address that is giving up membership
 * @param toAddress - Address that will receive membership
 * @param podIds - Array of pod IDs for which the toAddress will receive membership
 * @param signer - If a signer is provided, then the tx will execute. Otherwise, an unsigned transaction will be returned.
 * @throws If toAddress is already a member
 * @throws if fromAddress is not a member
 * @throws If provided signer is not the fromAddress
 */
export default function batchTransferMembership(fromAddress: string, toAddress: string, podIds: number[], signer?: ethers.Signer): Promise<ethers.providers.TransactionResponse | {
    to: string;
    data: string;
}>;