import { MeshStandardMaterial } from 'three';
import { AlphaMode, GLTF, Material as GLTFMaterial, RGB } from '../../three-components/gltf-instance/gltf-2.0.js';
import { Material as MaterialInterface } from './api.js';
import { LazyLoader, VariantData } from './model.js';
import { PBRMetallicRoughness } from './pbr-metallic-roughness.js';
import { TextureInfo } from './texture-info.js';
import { ThreeDOMElement } from './three-dom-element.js';
declare const $pbrMetallicRoughness: unique symbol;
declare const $normalTexture: unique symbol;
declare const $occlusionTexture: unique symbol;
declare const $emissiveTexture: unique symbol;
declare const $backingThreeMaterial: unique symbol;
declare const $applyAlphaCutoff: unique symbol;
export declare const $lazyLoadGLTFInfo: unique symbol;
declare const $initialize: unique symbol;
export declare const $getLoadedMaterial: unique symbol;
export declare const $ensureMaterialIsLoaded: unique symbol;
export declare const $gltfIndex: unique symbol;
export declare const $setActive: unique symbol;
export declare const $variantIndices: unique symbol;
declare const $isActive: unique symbol;
export declare const $variantSet: unique symbol;
declare const $modelVariants: unique symbol;
/**
 * Material facade implementation for Three.js materials
 */
export declare class Material extends ThreeDOMElement implements MaterialInterface {
    private [$pbrMetallicRoughness];
    private [$normalTexture];
    private [$occlusionTexture];
    private [$emissiveTexture];
    private [$lazyLoadGLTFInfo]?;
    private [$gltfIndex];
    private [$isActive];
    private [$variantSet];
    readonly [$modelVariants]: Map<string, VariantData>;
    get [$backingThreeMaterial](): MeshStandardMaterial;
    constructor(onUpdate: () => void, gltf: GLTF, gltfMaterial: GLTFMaterial, gltfIndex: number, isActive: boolean, modelVariants: Map<string, VariantData>, correlatedMaterials: Set<MeshStandardMaterial>, lazyLoadInfo?: LazyLoader | undefined);
    private [$initialize];
    [$getLoadedMaterial](): Promise<MeshStandardMaterial>;
    [$ensureMaterialIsLoaded](): void;
    ensureLoaded(): Promise<void>;
    get isLoaded(): boolean;
    get isActive(): boolean;
    [$setActive](isActive: boolean): void;
    get name(): string;
    set name(name: string);
    get pbrMetallicRoughness(): PBRMetallicRoughness;
    get normalTexture(): TextureInfo;
    get occlusionTexture(): TextureInfo;
    get emissiveTexture(): TextureInfo;
    get emissiveFactor(): RGB;
    get index(): number;
    [$variantIndices](): Set<number>;
    hasVariant(name: string): boolean;
    setEmissiveFactor(rgb: RGB): void;
    [$applyAlphaCutoff](): void;
    setAlphaCutoff(cutoff: number): void;
    getAlphaCutoff(): number;
    setDoubleSided(doubleSided: boolean): void;
    getDoubleSided(): boolean;
    setAlphaMode(alphaMode: AlphaMode): void;
    getAlphaMode(): AlphaMode;
}
export {};