import React from 'react';
interface MessageHubProps {
    config?: {
        tension: number;
        friction: number;
        precision: number;
    };
    className?: string;
    timeout?: number;
    limit?: number;
    forwardAPI?: (add: AddFunction) => void;
}
interface Item {
    key?: number | string;
    title: React.ReactNode;
    description?: React.ReactNode;
    btn?: React.ReactNode;
}
declare type AddFunction = (msg: Item) => void;
declare type CancelFunction = (key: string) => void;
export declare const info: AddFunction;
export declare const cancel: CancelFunction;
export declare function Notification({ config, timeout, ...props }: MessageHubProps): React.ReactPortal | null;
export {};