import { RefObject } from 'react';
interface AutoGrowOptions {
    enabled?: boolean;
    /** Whether the text needs more than the field's `rows`, after each change of `value` or width. */
    onGrow?: (isGrown: boolean) => void;
}
/**
 * Keeps a textarea as tall as its text, up to the `max-height` its stylesheet sets. It measures
 * again when `value` changes, so the field must be controlled, and when its width changes.
 */
export declare function useAutoGrow(ref: RefObject<HTMLElement | null>, value: unknown, { enabled, onGrow }?: AutoGrowOptions): void;
export {};