/**
 * Get the message announcing the visible range of the zoomable axes.
 *
 * The message is taken when the keyboard zoom and pan asks for it, not derived from the zoom
 * itself: the zoom also moves on wheel, drag, and from the application, and the live region must
 * stay silent then.
 * @returns {string | null} the message to announce, or `null` when there is nothing to announce
 */
export declare function useZoomAnnouncement(): string | null;