import { AuthenticationResponseJSON, PublicKeyCredentialRequestOptionsJSON } from '@simplewebauthn/types';
export type StartAuthenticationOpts = {
    optionsJSON: PublicKeyCredentialRequestOptionsJSON;
    useBrowserAutofill?: boolean;
    verifyBrowserAutofillInput?: boolean;
};
export declare function startAuthentication(options: StartAuthenticationOpts): Promise<AuthenticationResponseJSON>;