/**
 * Module-level singleton mouse position store.
 *
 * Replaces 8+ independent window.mousemove listeners with a single shared one.
 * Listener is added lazily on first subscribe — safe for SSR and "sideEffects": false.
 * Subscribers receive raw (x, y) synchronously inside the event handler, with no
 * React state or re-render overhead in the hot path.
 */
type Listener = (x: number, y: number) => void;
export declare const mouseStore: {
    readonly x: number;
    readonly y: number;
    /** Subscribe to every mouse position change. Returns an unsubscribe function. */
    readonly subscribe: (fn: Listener) => () => void;
};
export {};