import { List } from "../longan/gs.collections";
import { Material } from "./material";
export declare class PBRMaterial extends Material {
    protected _baseColor: Float32Array;
    protected _metallic: number;
    protected _specular: number;
    protected _roughness: number;
    protected _emissiveColor: Float32Array;
    protected _alpha: number;
    protected _clearCloat: number;
    protected _metallicRoughnessTexture: string;
    protected _bumpTexture: string;
    protected _normalTexture: string;
    protected _ambientOcclusionTexture: string;
    protected _emissiveTexture: string;
    protected _albedoTexture: string;
    protected _metallicRoughnessTextureArray: string;
    protected _albedoTextureArray: string;
    constructor();
    getDefines(): List<string>;
    serialize(): any;
    deserialize(obj: any): void;
    protected _vs: string;
    protected _fs: string;
}