import { Object3D, InstancedMesh, Mesh } from 'three';

export * from './material';
export * from './Stats';
export * from './controls';
/**
 * 获取对象到父对象的路径(结果不包含parentObject)
 * @param parentObject
 * @param object
 * @param attr 对象属性名
 * @param splitter 路径分隔符
 */
export declare function getParentPath(parentObject: Object3D, object: Object3D, attr?: string, splitter?: string): any;
/**
 * 获取鼠标按下的位置
 * @param dom
 * @param x
 * @param y
 */
export declare function getMousePosition(dom: HTMLElement, x: number, y: number): number[];
/**
 * InstancedMesh 解出所有 mesh
 */
export declare function getMeshByInstancedMesh(instancedMesh: InstancedMesh): Mesh<import('three').BufferGeometry<import('three').NormalBufferAttributes>, import('three').Material | import('three').Material[], import('three').Object3DEventMap>[];
/**
 * 判断是否是group,因为导入有可能存在被定义为Object3D类型的group
 */
export declare function isGroup(object3D: Object3D): any;
/**
 * 判断是否是代理粒子发射器的3D对象
 */
export declare function isParticleObject(object: Object3D | null): any;
/**
 * 判断是否是Billboard 3D对象
 */
export declare function isBillboardObject(object: Object3D | null): any;
/**
 * 判断是否是HtmlPanel 3D对象
 */
export declare function isHtmlPanelObject(object: Object3D | null): false | HTMLElement | null | undefined;
/**
 * 获取场景/物体中的所有动画
 */
export declare function getAnimations(object?: import('three').Scene): any;
/**
 * 获取场景/物体中的所有动画剪辑
 */
export declare function getAnimationClips(object?: Object3D): any;