import { Signer } from '../../types';
export declare type FetchSignerArgs = {
    /** Chain ID to use for signer */
    chainId?: number;
};
export declare type FetchSignerResult<TSigner extends Signer = Signer> = TSigner | null;
export declare function fetchSigner<TSigner extends Signer = Signer>({ chainId, }?: FetchSignerArgs): Promise<FetchSignerResult<TSigner>>;