/**
 * Screen reader announcement utility using ARIA live regions.
 *
 * Creates and manages off-screen live regions to announce dynamic
 * content changes to assistive technologies.
 *
 * @module bquery/a11y
 */
import type { AnnouncePriority } from './types';
/**
 * Announces a message to screen readers via an ARIA live region.
 *
 * The message is injected into a visually-hidden live region element.
 * Screen readers will pick up the change and announce it to the user.
 *
 * @param message - The text message to announce
 * @param priority - The urgency level: `'polite'` (default) or `'assertive'`
 *
 * @example
 * ```ts
 * import { announceToScreenReader } from '@bquery/bquery/a11y';
 *
 * // Polite announcement (waits for idle)
 * announceToScreenReader('3 search results found');
 *
 * // Assertive announcement (interrupts current speech)
 * announceToScreenReader('Error: Please fix the form', 'assertive');
 * ```
 */
export declare const announceToScreenReader: (message: string, priority?: AnnouncePriority) => void;
/**
 * Removes all live region elements created by `announceToScreenReader`.
 * Useful for cleanup in tests or when unmounting an application.
 *
 * @example
 * ```ts
 * import { clearAnnouncements } from '@bquery/bquery/a11y';
 *
 * clearAnnouncements();
 * ```
 */
export declare const clearAnnouncements: () => void;
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