import { Color } from './core/type';
import type Mesh from './Mesh';
import ClayNode, { ClayNodeOpts } from './Node';
import { UniformType } from './Shader';
export interface LightOpts extends ClayNodeOpts {
    /**
     * Light RGB color
     */
    color: Color;
    /**
     * Light intensity
     */
    intensity: number;
    /**
     * If light cast shadow
     */
    castShadow: boolean;
    /**
     * Shadow map size
     */
    shadowResolution: number;
    /**
     * Light group, shader with same `lightGroup` will be affected
     *
     * Only useful in forward rendering
     */
    group: number;
}
interface Light extends LightOpts {
}
declare class Light extends ClayNode {
    color: number[];
    intensity: number;
    castShadow: boolean;
    shadowResolution: number;
    group: number;
    /**
     * Volumn mesh for deferred rendering
     */
    volumeMesh?: Mesh;
    /**
     * Light type
     */
    type: string;
    uniformTemplates?: Record<string, {
        type: UniformType;
        value: (instance: Light) => any;
    }>;
    constructor(opts?: Partial<LightOpts>);
    /**
     * @return {clay.Light}
     * @memberOf clay.Light.prototype
     */
    clone(): Light;
}
export default Light;