export declare const isReactObject: (obj: any) => boolean;
export declare const url: {
    parse: (url: string) => Record<string, any>;
};
/**
 * 解析 webComponent URL参数
 */
export declare const parseWebComponentURLParams: (urlParam?: Record<string, any> | string) => {
    is: boolean;
    url: string | null;
    key?: string;
    preventDefault?: boolean;
};
/**
 * 处理成可以传递的postMessage消息
 * @param obj
 * @param seen
 * @returns
 */
export 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;