export declare const oneOf: (value: string | boolean, validList: Array<string | boolean>) => boolean;
export declare const getStyle: (element: any, styleName: any) => string;
export declare function hasClass(el: HTMLElement, cls: string): boolean;
export declare function removeClass(el: HTMLElement, cls: string): void;
export declare function addClass(el: HTMLElement, cls: string): void;
/**
 * 滚动到顶部
 * @param el 元素
 * @param from 开始的位置
 * @param to 结束的位置
 * @param duration 滚动动画持续时间，单位 毫秒
 * @param endCallback 结束后的回调
 */
export declare function scrollTop(el: any, from: number, to: number, duration?: number, endCallback?: any): void;
export declare const deepCopy: (data: any) => any;