/**
 * Hook that measures the parent container and returns responsive dimensions.
 * Uses ResizeObserver to track container size changes.
 *
 * @param baseSize - The default [width, height] from the size prop
 * @param responsiveWidth - Whether width should follow container width
 * @param responsiveHeight - Whether height should follow container height
 * @returns [containerRef, effectiveSize] — attach the ref to the container div
 */
export declare function useResponsiveSize(baseSize: [number, number], responsiveWidth?: boolean, responsiveHeight?: boolean): [React.RefObject<HTMLDivElement>, [number, number]];
