import { Observable } from 'rxjs';
import { BabylonJSService } from '../../babylon-js/babylon-js.service';
import { LightType } from '../../../enums/light/light-type';
import { Light } from 'babylonjs';
export declare class CommandsGraphics3dLightShadow {
    private babylonjs;
    constructor(babylonjs: BabylonJSService);
    ambientLight(red: number, green: number, blue: number): Observable<void>;
    createLight(type?: LightType, parent?: any): Observable<any>;
    lightColor(light: Light, red: number, green: number, blue: number): Observable<void>;
    lightConeAngles(): void;
    lightMesh(): void;
    lightRange(light: Light, range: number): Observable<void>;
    createShadowMap(): void;
    deleteShadowMap(): void;
    castShadow(): void;
    receiveShadows(): void;
    shadowDarkness(): void;
}