export declare const isNumericString: (message: string) => boolean;
export declare const parseStringifiedDate: (value: any) => Date | null;
export declare const isStringifiedObject: (value: string) => boolean;
export declare const parseStringifiedObject: (data: string) => any;
export declare const parseStringifiedValue: (value: string) => any;
export declare const parseMessageEvent: (event: MessageEvent) => any;