import { JSX } from "react";
import type { TransitionType } from "./transitions";
export type TransitionDuration = number | {
    appear?: number;
    enter?: number;
    exit?: number;
};
export interface TransitionProps {
    /** 进入过渡 */
    in?: boolean;
    /**
     * 过渡名称
     * @default "fade"
     */
    transition?: TransitionType;
    /**
     * Transition duration in ms
     * @default 250
     */
    duration?: TransitionDuration;
    /**
     * 过渡缓动函数
     * @default "ease"
     */
    timingFunction?: string;
    /** 是否in为true时挂载时执行过渡 */
    appear?: boolean;
    /** 退场过渡完成后是否卸载组件, 初始时不挂载组件
     * @default true
     */
    unmountOnExit?: boolean;
    children: (ref: React.RefObject<any>, styles: React.CSSProperties) => JSX.Element;
}
export declare function Transition(props: TransitionProps): JSX.Element;