import { Material, type IUniform, type MeshStandardMaterialParameters, Scene, Camera, BufferGeometry, Object3D } from 'three';
import { ExtendedMeshStandardMaterial, type Uniforms } from './SpeckleMaterial.js';
import { SpeckleWebGLRenderer } from '../objects/SpeckleWebGLRenderer.js';
declare class SpeckleStandardMaterial extends ExtendedMeshStandardMaterial {
    protected originalRoughness: number | undefined;
    protected artificialRoughness: number | undefined;
    protected get vertexProgram(): string;
    protected get fragmentProgram(): string;
    protected get baseUniforms(): {
        [uniform: string]: IUniform;
    };
    protected get uniformsDef(): Uniforms;
    constructor(parameters: MeshStandardMaterialParameters, defines?: string[]);
    /** We need a unique key per program */
    customProgramCacheKey(): string;
    copy(source: Material): this;
    fastCopy(from: Material, to: Material): void;
    updateArtificialRoughness(artificialRougness?: number): void;
    /** Called by three.js render loop */
    onBeforeRender(_this: SpeckleWebGLRenderer, _scene: Scene, _camera: Camera, _geometry: BufferGeometry, object: Object3D): void;
}
export default SpeckleStandardMaterial;