import { Signer } from '../../types';
import { FetchSignerArgs, FetchSignerResult } from './fetchSigner';
export declare type WatchSignerArgs = FetchSignerArgs;
export declare type WatchSignerCallback<TSigner extends Signer = Signer> = (data: FetchSignerResult<TSigner>) => void;
export declare function watchSigner<TSigner extends Signer = Signer>({ chainId }: WatchSignerArgs, callback: WatchSignerCallback<TSigner>): () => void;