import type { AssetContainer } from "@babylonjs/core/assetContainer";
import { PBRMaterial } from "@babylonjs/core/Materials/PBR/pbrMaterial";
import type { BaseTexture } from "@babylonjs/core/Materials/Textures/baseTexture";
import type { Scene } from "@babylonjs/core/scene";
import type { Nullable } from "@babylonjs/core/types";
import type { MaterialInfo, ReferencedMesh, TextureInfo } from "./IMmdMaterialBuilder";
import { MaterialBuilderBase } from "./materialBuilderBase";
import type { ILogger } from "./Parser/ILogger";
import type { ReferenceFileResolver } from "./referenceFileResolver";
import type { TextureAlphaChecker } from "./textureAlphaChecker";
/**
 * PBR material builder
 *
 * Use `PBRMaterial` to create a mmdmesh material
 */
export declare class PBRMaterialBuilder extends MaterialBuilderBase<PBRMaterial> {
    constructor();
    protected _getForcedExtension(texturePath: string): string | undefined;
    loadGeneralScalarProperties(material: PBRMaterial, materialInfo: MaterialInfo, meshes: readonly ReferencedMesh[]): void;
    loadDiffuseTexture(uniqueId: number, material: PBRMaterial, materialInfo: MaterialInfo, imagePathTable: readonly string[], textureInfo: Nullable<TextureInfo>, scene: Scene, assetContainer: Nullable<AssetContainer>, rootUrl: string, referenceFileResolver: ReferenceFileResolver, logger: ILogger, onTextureLoadComplete?: () => void): Promise<void>;
    setAlphaBlendMode(material: PBRMaterial, materialInfo: MaterialInfo, meshes: readonly ReferencedMesh[], logger: ILogger, getTextureAlphaChecker: () => Nullable<TextureAlphaChecker>): Promise<void>;
    protected _buildTextureNameMap(materialsInfo: readonly MaterialInfo[], materials: PBRMaterial[], imagePathTable: readonly string[], texturesInfo: readonly TextureInfo[], textureNameMap: Map<BaseTexture, string>): void;
    loadSphereTexture(): void;
    loadToonTexture(): void;
    loadOutlineRenderingProperties(): void;
}