import { ConstructorProps, ContextManager, Observable } from '@zcomponent/core';
import * as THREE from 'three';
import { Material } from './Material';
/**
 * A material for drawing point-style geometries.
 *
 * Root element: [THREE.PointsMaterial](https://threejs.org/docs/index.html#api/en/materials/PointsMaterial)
 * @zcomponent
 * @zgroup Materials
 * @zicon material
 * @ztag three/Material/Points/PointsMaterial
 * @zparents three/Object3D/Points/**
 */
export declare class PointsMaterial extends Material {
    element: THREE.PointsMaterial;
    /**
     * Constructs a new line basic material.
     * @param contextManager - Context manager.
     * @param props - Properties.
     */
    constructor(contextManager: ContextManager, props: ConstructorProps);
    /**
     * The color of the material.
     * @zprop
     * @zgroup PointsMaterial
     * @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 PointsMaterial
     * @zgrouppriority 20
     * @zdefault true
     */
    fog: Observable<boolean, never>;
    /**
     * The size of the points in pixels.
     * @zprop
     * @zgroup PointsMaterial
     * @zgrouppriority 20
     * @zdefault 1
     */
    size: Observable<number, never>;
    /**
     * If the points' size should be affected by the camera's distance.
     * @zprop
     * @zgroup PointsMaterial
     * @zgrouppriority 20
     * @zdefault true
     */
    sizeAttenuation: Observable<boolean, never>;
}