import { CardScanApi, CardScanError } from "../types/types";
export declare const webSocketHandler: (cardScanApi: React.MutableRefObject<CardScanApi | null>, cardIdRef: any, onError: any, stateMachineState: any, stateMachineSend: any, backSideSupport: boolean | undefined, eligibilitySupport: boolean, onEligibilityError: ((error: CardScanError) => void) | undefined) => void;