import { ReactNode } from 'react'; interface FunArg { content: string | ReactNode; duration?: number; } interface messageProps { dom: HTMLDivElement | null; success(arg: FunArg | string): void; error(arg: FunArg | string): void; warning(arg: FunArg | string): void; info(arg: FunArg | string): void; } declare const message: messageProps; export default message;