/** Live state of an in-progress drag — the pointer delta from where it started. */
export interface DragLive {
    id: string;
    dx: number;
    dy: number;
}
export interface PointerDragApi {
    /** Non-null only while a drag is active (past the threshold). Consumers render
     *  live feedback (translate / resize) from `dx`/`dy`. */
    live: DragLive | null;
    /** Ref for a draggable element — attaches a pointerdown listener tagged with
     *  `id`. Stable per id, so it doesn't thrash listeners across renders.
     *
     *  The grip's `cursor` and its `touch-action: none` (without which a touch
     *  drag scrolls the page instead) belong to the CALLER's stylesheet: written
     *  here they were inline declarations no consumer could beat. */
    bind: (id: string) => (node: HTMLElement | null) => void;
}
/**
 * Self-contained pointer-event drag for time-axis primitives (calendar event
 * chips, gantt bar handles). Mirrors the kanban's proven approach — pointerdown
 * on the element, a movement threshold to distinguish taps, then window-level
 * pointermove/up — but with no floating clone and no column/card coupling. On
 * release, `onDrop` receives the final client pointer position plus the total
 * delta; the consumer maps that to a date.
 */
export declare function usePointerDrag(onDrop: (id: string, pointer: {
    x: number;
    y: number;
}, delta: {
    dx: number;
    dy: number;
}) => void): PointerDragApi;