export type Announcer = (message: string) => void;
export type LabelTarget = HTMLElement;
type SetLabelOptions = {
    container?: HTMLElement;
};
export declare function setA11yLabel(el: LabelTarget, labelText: string, opts?: SetLabelOptions): void;
/**
 * Returns the shared announcer for `wrapper`, creating it on first call.
 * Multiple controls attached to the same wrapper share the same 2 live-region
 * nodes. Each caller receives its own `destroy` handle; the DOM nodes are only
 * removed once every caller has destroyed its handle (ref-counting).
 */
export declare function getSharedAnnouncer(wrapper: HTMLElement): {
    announce: Announcer;
    destroy: () => void;
};
export declare function createAnnouncer(wrapper: HTMLElement): {
    announce: Announcer;
    destroy: () => void;
};
export {};
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