import { type StickFrameGeometry } from "./stickFrame";
export type StickFrameRefs = Readonly<{
    surface: HTMLElement | null;
    line: SVGLineElement | null;
    /** Anchor pin: HTML wrapper (indicator disc stack), not an SVG circle. */
    dot: HTMLDivElement | null;
}>;
/**
 * Single imperative DOM updater for the stick animation. Called from the rAF
 * loop with the current spring progress and a layout snapshot. Keeps all
 * mutation in one place so `MapMarkerStickSurface` can stay declarative.
 *
 * No-ops if a ref is not attached yet (initial render or after unmount).
 */
export declare const applyStickFrame: (refs: StickFrameRefs, geometry: StickFrameGeometry, progress: number) => void;