import { Color } from "../math/Color.ts";
import type { Texture } from "../textures/Texture.ts";
import { Material } from "./Material.ts";
interface ToonMaterialOptions {
    color?: Color | number | string;
    gradientMap?: Texture | undefined;
    layer?: number;
    opacity?: number;
    transparent?: boolean;
    depthTest?: boolean;
    depthWrite?: boolean;
    side?: number;
}
/**
 * Stepped shading via gradientMap. Each lighting level snaps to
 * the nearest HSL16 step.
 */
export declare class ToonMaterial extends Material {
    type: string;
    color: Color;
    gradientMap: Texture | undefined;
    constructor(options?: ToonMaterialOptions);
    clone(): ToonMaterial;
    copy(source: ToonMaterial): this;
}
export {};
//# sourceMappingURL=ToonMaterial.d.ts.map