import { type RefObject } from 'react';
type ScrollMode = 'container' | 'window';
type ScrollEdge = 'start' | 'end';
interface UseScrollEdgeOptions {
    edge: ScrollEdge;
    mode: ScrollMode;
    /** Scroll element ref — required for `container` mode */
    scrollRef?: RefObject<HTMLElement | null>;
    onReached?: () => void;
    threshold: number;
    /** When false, suppresses firing (e.g. while the initial anchor scroll settles) */
    enabled?: boolean;
}
/**
 * Fires `onReached` once when the user scrolls within `threshold` px of the
 * given edge. Re-arms after scrolling back past the threshold. A cooldown
 * guard prevents rapid re-fires when prepended/appended rows grow the content.
 */
export declare const useScrollEdge: ({ edge, mode, scrollRef, onReached, threshold, enabled, }: UseScrollEdgeOptions) => void;
export {};