import { ContextManager, Observable } from '@zcomponent/core';
import * as THREE from 'three';
import { Object3D } from '../Object3D';
interface PLYConstructorProps {
    /** @zprop
     * @zvalues files *.ply
     */
    source: string;
    /**
     * If true, this component will store the downloaded GLTF model in IndexedDB, with a key held in session storage
     * to allow rapid reloading without relying on the browser cache.
     * @zignore
     */
    sessionCache?: boolean;
}
/**
 * Loads a 3D model of the PLY format (.ply).
 * Root element: [THREE.Group](https://threejs.org/docs/index.html#api/en/objects/Group)
 *
 * @zcomponent
 * @zgroup 3D Models
 * @zicon atr
 * @ztag three/Object3D/PLY
 * @zparents three/Object3D/Group/**
 */
export declare class PLY extends Object3D {
    protected constructorProps: PLYConstructorProps;
    loaded: Promise<void>;
    material: THREE.PointsMaterial;
    points: THREE.Points<THREE.BufferGeometry, THREE.PointsMaterial>;
    constructor(contextManager: ContextManager, constructorProps: PLYConstructorProps);
    private _load;
    /**
     * @zprop
     * @zgroup Appearance
     * @zgrouppriority 11
     * @zdefault true
     */
    castShadow: Observable<boolean, never>;
    /**
     * @zprop
     * @zgroup Appearance
     * @zgrouppriority 11
     * @zdefault true
     */
    receiveShadow: Observable<boolean, never>;
    dispose(): never;
    /**
     * The color of the material.
     * @zprop
     * @zgroup PLY
     * @zgrouppriority 20
     * @ztype color-norm-rgb-linear
     * @zdefault [1, 1, 1]
     */
    color: Observable<[number, number, number], never>;
    /**
     * Whether the material is affected by fog. Default is true.
     * @zprop
     * @zgroup PLY
     * @zgrouppriority 20
     * @zdefault true
     */
    fog: Observable<boolean, never>;
    /**
     * The size of the points in pixels.
     * @zprop
     * @zgroup PLY
     * @zgrouppriority 20
     * @zdefault 1
     */
    size: Observable<number, never>;
    /**
     * If the points' size should be affected by the camera's distance.
     * @zprop
     * @zgroup PLY
     * @zgrouppriority 20
     * @zdefault true
     */
    sizeAttenuation: Observable<boolean, never>;
    /**
     * If the points should be rendered with vertex colors.
     * @zprop
     * @zgroup PLY
     * @zgrouppriority 20
     * @zdefault true
     */
    vertexColors: Observable<boolean, never>;
}
export {};