/**
 * @file Accessibility Utilities
 * @description Accessibility helper functions (Fast Refresh compliant).
 */
/**
 * Announce message to screen readers
 */
export declare function announceToScreenReader(message: string, priority?: 'polite' | 'assertive'): void;
/**
 * Create visually hidden but screen reader accessible text
 */
export declare function createScreenReaderText(text: string): HTMLSpanElement;
/**
 * Set focus to element with optional delay
 */
export declare function setFocusTo(element: HTMLElement | null, delay?: number): void;
/**
 * Trap focus within container
 */
export declare function trapFocus(container: HTMLElement): () => void;
/**
 * Get all focusable elements within container
 */
export declare function getFocusableElements(container: HTMLElement): HTMLElement[];
/**
 * Restore focus to previous element
 */
export declare function createFocusRestorer(): {
    save: () => void;
    restore: () => void;
};
/**
 * Check if reduced motion is preferred
 */
export declare function prefersReducedMotion(): boolean;
/**
 * Get ARIA attributes for loading state
 */
export declare function getLoadingAriaAttributes(isLoading: boolean, label?: string): {
    'aria-busy': boolean;
    'aria-live': 'polite';
    'aria-label'?: string;
};
/**
 * Get ARIA attributes for expanded/collapsed state
 */
export declare function getExpandableAriaAttributes(isExpanded: boolean, controlsId?: string): Record<string, boolean | string>;
export declare function generateA11yId(prefix?: string): string;