/** 滚动状态数据 */
export interface ScrollState {
    scrollTop: number;
    scrollLeft: number;
    scrollWidth: number;
    scrollHeight: number;
    clientWidth: number;
    clientHeight: number;
}
/** 拖拽状态数据 */
export interface DragState {
    isDragging: boolean;
    startX: number;
    startY: number;
    startTop: number;
    startLeft: number;
    direction: 'vertical' | 'horizontal';
}
export interface ScrollbarInstance {
    /** 触发滚动事件 */
    handleScroll: () => void;
    /** 滚动到一组特定坐标 */
    scrollTo: (options: ScrollToOptions | number, y?: number) => void;
    /** 设置滚动条到顶部的距离 */
    setScrollTop: (scrollTop: number) => void;
    /** 设置滚动条到左边的距离 */
    setScrollLeft: (scrollLeft: number) => void;
    /** 手动更新滚动条状态 */
    update: () => void;
    /** 滚动条包裹的 ref 对象 */
    wrapRef: HTMLElement;
    /** 保存当前滚动位置到缓存 */
    savePosition: () => void;
    /** 从缓存恢复滚动位置 */
    restorePosition: () => void;
    /** 清除位置缓存 */
    clearPosition: () => void;
    /** 滚动状态数据*/
    scrollState: ScrollState;
    /** 拖拽状态数据*/
    dragState: DragState | null;
}
export type ScrollbarDirection = 'horizontal' | 'vertical' | 'both';
export type { ScrollbarProps, ScrollbarEmits } from './index.vue';