import Light, { LightOpts } from '../Light';
import Renderer from '../Renderer';
import Texture2D from '../Texture2D';
import type TextureCube from '../TextureCube';
export interface AmbientCubemapLightOpts extends LightOpts {
    cubemap: TextureCube | Texture2D;
}
/**
 * Ambient cubemap light provides specular parts of Image Based Lighting.
 * Which is a basic requirement for Physically Based Rendering
 */
declare class AmbientCubemapLight extends Light {
    cubemap?: TextureCube | Texture2D;
    _normalDistribution?: Texture2D;
    _brdfLookup?: Texture2D;
    readonly type = "AMBIENT_CUBEMAP_LIGHT";
    constructor(opts?: Partial<AmbientCubemapLightOpts>);
    /**
     * Do prefitering the cubemap
     * @param {clay.Renderer} renderer
     * @param {number} [size=32]
     */
    prefilter(renderer: Renderer, size?: number): void;
}
export default AmbientCubemapLight;