import { mat4, vec4, vec3, vec2 } from 'gl-matrix';
export declare const AMBIENT_LIGHT = 0;
export declare const DOME_LIGHT = 1;
export declare const DIRECTIONAL_LIGHT = 2;
export declare const POINT_LIGHT = 3;
export declare const HEMI_LIGHT = 4;
export declare const SPOT_LIGHT = 5;
export type UseLight = (l: Light) => void;
export type Light = {
    into?: mat4 | null;
    position?: vec4 | null;
    normal?: vec4 | null;
    color?: vec4 | null;
    opts?: vec4 | null;
    intensity?: number | null;
    cutoff?: number | null;
    kind: number;
    shadow?: ShadowMapProps | null;
};
export type BoundLight = Light & {
    id?: number;
    shadowType?: 'ortho';
    shadowMap?: number;
    shadowUV?: vec4;
    shadowBias?: vec3;
    shadowDepth?: vec2;
    shadowBlur?: number;
};
export type ShadowMapProps = {
    type: string;
    size: vec2;
    depth: vec2;
    unit: vec2;
    bias: vec3;
    blur: number;
    resolution: number;
    fov: number;
};
export type ShadowMapLike = {
    size?: vec2 | [number, number] | number[];
    depth?: vec2 | [number, number] | number[];
    bias?: vec2 | [number, number] | number[];
    span?: vec2 | [number, number] | number[];
    up?: vec3 | [number, number, number] | number[];
    blur?: number;
    resolution?: number;
    fov?: number;
};