/**
 * @module vim-loader/materials
 */
import * as THREE from 'three';
/**
 * Material for the skybox
 */
export declare class SkyboxMaterial extends THREE.ShaderMaterial {
    get skyColor(): THREE.Color;
    set skyColor(value: THREE.Color);
    get groundColor(): THREE.Color;
    set groundColor(value: THREE.Color);
    get sharpness(): number;
    set sharpness(value: number);
    constructor(skyColor?: THREE.Color, groundColor?: THREE.Color, sharpness?: number);
}
