import { ContextManager, Observable } from '@zcomponent/core';
import { Group } from '../Group';
/**
 * LookAtNode rotates its contents so that its Z axis points towards the node specified by its `target` prop
 *
 * Root element: [THREE.Group](https://threejs.org/docs/index.html#api/en/objects/Group)
 *
 * @zcomponent
 * @zicon transform
 * @zgroup Transforms
 * @ztag three/Object3D/Group/LookAtNode
 * @zparents three/Object3D/Group/**
 */
export declare class LookAtNode extends Group {
    private _innerGroup;
    /**
     * Creates a LookAtNode component.
     * @param contextManager - The context manager.
     * @param constructorProps - The constructor properties.
     */
    constructor(contextManager: ContextManager, constructorProps: {});
    /**
     * @zprop
     * @zgroup LookAtNode
     * @zgrouppriority 20
     * @zvalues nodeids three/Object3D/**
     */
    target: Observable<string | undefined, never>;
    private _frame;
}