import React, { type ReactNode } from 'react';
import { type LayoutArea, type LayoutAreaState, type LayoutAreaSizingContextValue } from './layout-area-sizing-context';
export declare function LayoutAreaSizingRuntime({ children, layoutRef, onReady, onUpdate, }: {
    children?: ReactNode;
    layoutRef?: React.RefObject<HTMLDivElement | null>;
    onReady?: (actions: LayoutAreaSizingContextValue | null) => void;
    onUpdate?: (states: Partial<Record<LayoutArea, LayoutAreaState>>) => void;
}): JSX.Element;