import { Address } from 'abitype';
export declare type FetchEnsNameArgs = {
    /** Address to lookup */
    address: Address;
    /** Chain id to use for provider */
    chainId?: number;
};
export declare type FetchEnsNameResult = string | null;
export declare function fetchEnsName({ address, chainId, }: FetchEnsNameArgs): Promise<FetchEnsNameResult>;