import { Provider } from 'ethers';
import { GatewayToken } from '@civic/gateway-client-core';
import { EvmGatekeeperNetwork } from '../types';
type ChainListenerProps = {
    provider: Provider;
    owner: string;
    evmGatekeeperNetwork: EvmGatekeeperNetwork;
    callback: (gatewayToken: GatewayToken) => void;
    chainPollingIntervalMs?: number;
};
export declare const onGatewayTokenChange: ({ provider, owner, evmGatekeeperNetwork, callback, chainPollingIntervalMs, }: ChainListenerProps) => ReturnType<typeof setInterval>;
export declare const removeGatewayTokenChangeListener: (listenerId: ReturnType<typeof setInterval>) => void;
export {};