import * as React from 'react';
/**
 * Registers pragmatic-drag-and-drop autoscroll on the timeline scroller, with the
 * left-edge hitbox shifted to start at the right of the pinned title column.
 *
 * The scroller spans the entire content width — the title column is overlaid via
 * `position: absolute` — so the autoscroller's default left-edge hitbox sits over
 * the title column instead of the visual edge of the events area. We work around
 * this by overriding the scroller's `getBoundingClientRect` to report the events
 * subrect (`left += pinnedLeftWidth`, `width -= pinnedLeftWidth`). The library
 * reads this each frame to derive its edge hitboxes; `scrollLeft`, `clientWidth`,
 * etc. are read separately and stay intact, so scroll math is unaffected.
 */
export declare function useTimelineDragAutoScroll(params: {
  scrollerRef: React.RefObject<HTMLElement | null>;
  pinnedLeftWidth: number;
}): void;