import { Behavior, ContextManager, Observable } from '@zcomponent/core';
import { Object3D } from '../components/Object3D';
/**
 * Renders a bounding box around the object.
 * This is useful for debugging purposes.
 *
 * This behavior is registered to run at design time.
 * @zbehavior
 * @zparents three/Object3D/**
 * @zgroup Helpers
 * @zicon view_in_ar
 */
export declare class BoundingBox extends Behavior<Object3D> {
    /**
     * The color of the bounding box.
     * @zprop
     * @zgroup BoxHelper
     * @zgrouppriority 20
     * @ztype color-norm-rgb-linear
     * @zdefault [0, 0, 1]
     */
    color: Observable<[number, number, number], never>;
    private _boxHelper;
    /**
     * Constructs a new BoundingBox Behavior.
     * @param contextManager - The context manager.
     * @param instance - The Object3D instance.
     */
    constructor(contextManager: ContextManager, instance: Object3D);
    /**
     * Disposes the BoundingBox Behavior.
     */
    dispose(): never;
    private _frame;
}