/**
 * 淡入动画
 */
export declare function fadeIn(element: HTMLElement, duration?: number): Promise<void>;
/**
 * 淡出动画
 */
export declare function fadeOut(element: HTMLElement, duration?: number): Promise<void>;
/**
 * 滑入动画
 */
export declare function slideIn(element: HTMLElement, direction?: "left" | "right" | "up" | "down", duration?: number): Promise<void>;
/**
 * 抖动动画（用于错误提示）
 */
export declare function shake(element: HTMLElement): Promise<void>;