/**
 * Index of the offset nearest to a scroll position.
 *
 * Used to derive the "current" slide from the gallery's real scroll offset
 * rather than from whichever item last crossed an IntersectionObserver
 * threshold — which, when several items are visible at once, is
 * direction-dependent and causes the focused index to drift.
 *
 * Ties resolve to the lower index. Returns 0 for an empty list.
 */
export declare const nearestIndex: (offsets: number[], scrollStart: number) => number;
/**
 * Whether a horizontal scroll container sits at its start / end edge, computed
 * from real scroll geometry.
 *
 * Index-based edge detection is wrong when several items are visible at once:
 * at the true end the left-most (focused) item is not the last item, so a
 * `focusedIndex === itemCount - 1` check never becomes true and a "next"
 * control never disables on its own.
 */
export declare const scrollEdges: (scrollLeft: number, scrollWidth: number, clientWidth: number, tolerance?: number) => {
    atStart: boolean;
    atEnd: boolean;
};
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