export interface AutoScrollOptions {
    /** 滚动容器，默认为 document.documentElement */
    container?: HTMLElement;
}
export declare function getScrollableParent(element: HTMLElement, iframe?: HTMLElement): HTMLElement;
export declare class AutoScroll {
    options: AutoScrollOptions;
    time: number;
    constructor(options?: AutoScrollOptions);
    checkScroll(e: MouseEvent | DragEvent): void;
}