/** A stable segment used to compose a component-scoped DOM identifier. */
export type CompositeIdPart = string | number | null | undefined;
/** Values returned by {@link useCompositeId}. */
export type UseCompositeIdReturn = {
    /** Unique Vue component-instance identifier, prefixed for FeatherK markup. */
    instanceId: string;
    /** Combines the component instance ID with stable logical identifier segments. */
    compose: (...parts: CompositeIdPart[]) => string;
};
/**
 * Creates component-scoped DOM identifiers from Vue's SSR-safe `useId()`.
 *
 * Use the resulting `instanceId` for a stable local base and `compose` for
 * related trigger, menu, popup, and ARIA relationship IDs. This does not
 * replace consumer-owned domain IDs used for shared state or registries.
 */
export declare const useCompositeId: (prefix?: string) => UseCompositeIdReturn;