/**
 * 处理成可以传递的postMessage消息
 * @param obj
 * @param seen
 * @returns
 */
declare function sanitizeForPostMessage(obj: any, seen?: WeakSet<object>): any;
declare const _default: {
    parseWebComponentURLParams: (urlParam?: string | Record<string, any> | undefined) => {
        is: boolean;
        url: string | null;
        key?: string | undefined;
        preventDefault?: boolean | undefined;
    };
    sanitizeForPostMessage: typeof sanitizeForPostMessage;
};
export default _default;