export type AllowedMessageType = 'slBetPackReady' | 'slOpenGameCenter' | 'slHardRefresh' | 'slBetPackChangeCard' | 'slVoted';
declare global {
    interface Window {
        webkit?: {
            messageHandlers: {
                [x: string]: {
                    postMessage: (args: unknown) => void;
                };
            };
        };
        slBetPackCb?: {
            postMessage: (data: string) => void;
        };
    }
}
export declare const defaultEventHandler: (event: {
    type: AllowedMessageType;
    payload?: unknown;
}) => void;