import React from 'react';
import type { CSSProperties } from 'react';
export interface NowButtonProps {
    orientation: 'horizontal' | 'vertical';
    onClick: () => void;
    style?: CSSProperties;
    className?: string;
    renderCustom?: () => React.ReactNode;
}
/**
 * Now 按钮：固定入口，点击跳回当前时间并进入 Realtime
 * 横向：右侧，左箭头；竖向：底部，上箭头
 */
export declare function NowButton({ orientation, onClick, style, className, renderCustom, }: NowButtonProps): React.JSX.Element;
