import { type ResponsiveTier } from './breakpoints.js';
/**
 * Shell-only runtime tier helper (SSR-safe). Do not branch feature layout on this.
 * Sync-init from `window.innerWidth` avoids a compact-default flash on first paint.
 */
export declare function useResponsiveTier(): ResponsiveTier;
//# sourceMappingURL=useResponsiveTier.d.ts.map