import type { CoreNode } from './CoreNode.js';
/**
 * Result of autosize calculation containing the new dimensions
 */
interface AutosizeResult {
    width: number;
    height: number;
    hasChanged: boolean;
}
/**
 * Creates an autosize manager for efficient child bounds calculation
 *
 * @remarks
 * This function creates a closure-based manager that tracks child transform
 * changes and calculates parent dimensions based on children's bounding boxes.
 * It's optimized for performance with minimal allocations and fast lookups.
 *
 * @param parentNode - The autosize parent node
 * @returns Object with autosize management methods
 */
export declare function createAutosizeManager(parentNode: CoreNode): {
    addOrUpdateChild: (child: CoreNode) => void;
    removeChild: (child: CoreNode) => void;
    calculateAutosize: () => AutosizeResult;
    deactivate: () => void;
    readonly active: boolean;
    readonly childCount: number;
};
export {};