import type { PointsUniforms, FogPointsMaterialOptions, FogPointsMaterialUniforms } from "../FogPointsMaterial";
import { FogPointsMaterial } from "../FogPointsMaterial";
import { IUniform, PointsMaterialParameters, Vector2 } from "three";
import { IVector2 } from "type-tls";
/**
 * 梯度雾点材质的 uniforms
 */
export interface GradientFogPointsMaterialUniforms extends PointsUniforms, FogPointsMaterialUniforms {
    range: IUniform<Vector2>;
}
/**
 * 梯度雾点材质的选项
 */
export interface GradientFogPointsMaterialOptions extends PointsMaterialParameters, FogPointsMaterialOptions {
    /**
     * 数值的映射区间
     * @remarks
     * x 为最小值，y 为最大值
     *
     * @defaultValue {x:0,y:100}
     */
    range?: IVector2 | null;
}
/**
 * 梯度雾点材质
 * @remarks
 * 需要 geoometry 有以下属性
 * - value : 每个顶点都有一个数字类型的值 value
 * - radius : 仅当 useRadius 为 true 时必须；每个顶点都有一个数字类型的半径
 *
 * 材质的 map 属性存储的是梯度图像，用于映射 value 的；
 */
export declare class GradientFogPointsMaterial extends FogPointsMaterial<GradientFogPointsMaterialUniforms> {
    readonly isColorFogPointsMaterial = true;
    constructor(options?: GradientFogPointsMaterialOptions);
    /**
     * 数值的映射区间
     * @remarks
     * x 为最小值，y 为最大值
     *
     * @defaultValue {x:0,y:100}
     */
    get range(): Vector2;
    set range(value: Vector2);
}
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