export class PbrMaterial extends Material {
    baseColor: import("../core/material.js").MaterialSampler;
    metallicRoughness: import("../core/material.js").MaterialSampler;
    normal: import("../core/material.js").MaterialSampler;
    occlusion: import("../core/material.js").MaterialSampler;
    emissive: import("../core/material.js").MaterialSampler;
    baseColorFactor: import("../core/material.js").MaterialUniform;
    metallicRoughnessFactor: import("../core/material.js").MaterialUniform;
    occlusionStrength: import("../core/material.js").MaterialUniform;
    emissiveFactor: import("../core/material.js").MaterialUniform;
    get materialName(): string;
    get vertexSource(): string;
    get fragmentSource(): string;
    getProgramDefines(renderPrimitive: any): {
        USE_VERTEX_COLOR: number;
        USE_BASE_COLOR_MAP: number;
        USE_NORMAL_MAP: number;
        USE_METAL_ROUGH_MAP: number;
        USE_OCCLUSION: number;
        USE_EMISSIVE_TEXTURE: number;
        FULLY_ROUGH: number;
    };
}
import { Material } from "../core/material.js";