import { ReactNode } from 'react';
export interface UseHelperSlotResult {
    show: boolean;
    role: 'alert' | 'status';
}
/**
 * Shared logic for the helper-text row beneath input components.
 * Returns `show` (whether the slot should render) and `role` (ARIA live-region role).
 * Emits a dev-mode warning when `error` is set but `message` is empty.
 */
export declare function useHelperSlot(component: string, error: boolean | undefined, message: ReactNode, reserveHelperText?: boolean, readOnly?: boolean): UseHelperSlotResult;