import ComponentBase from "../../component-base/index.js";
import { Vec4 } from "../../../types/data-types.js";
import Indexer from "../../asset/indexer/index.js";
import TextureInfo from "../../texture-info/index.js";
/**
 * MetallicRoughness - a builder for a GLTF pbrMetallicRoughness object
 * @see {@link https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#reference-pbrmetallicroughness | GLTF reference}
 * @hideconstructor
 */
export default class MetallicRoughness extends ComponentBase<{
    baseColorFactor: Vec4;
    metallicFactor: number;
    roughnessFactor: number;
    baseColorTexture: TextureInfo;
    metallicRoughnessTexture: TextureInfo;
}> {
    baseColourFactor: typeof this.baseColorFactor;
    constructor();
    /**
     * baseColorFactor - Sets the material's base color factor.
     *
     * @param {Vec4} baseColorFactor colour
     *
     * @returns {MetallicRoughness} this
     */
    baseColorFactor(baseColorFactor: Vec4): MetallicRoughness;
    /**
     * metallicFactor - Sets the material's metallic factor.
     *
     * @param {number} metallicFactor
     *
     * @returns {MetallicRoughness} this
     */
    metallicFactor(metallicFactor: number): MetallicRoughness;
    /**
     * roughnessFactor - Sets the material's roughness factor.
     *
     * @param {number} roughnessFactor
     *
     * @returns {MetallicRoughness} this
     */
    roughnessFactor(roughnessFactor: number): MetallicRoughness;
    /**
     * Sets the material's base color texture.
     *
     * @param {TextureInfo} baseColorTexture
     * @returns {MetallicRoughness} this
     */
    baseColorTexture(baseColorTexture: TextureInfo): MetallicRoughness;
    /**
     * Alias of {@link MetallicRoughness#baseColorTexture}
     */
    baseColourTexture(baseColourTexture: TextureInfo): MetallicRoughness;
    /**
     * Sets the material's metallic roughness texture.
     * The metalness values are sampled from the B channel. The roughness values are sampled from the G channel.
     * These values are linear. If other channels are present (R or A), they are ignored for metallic-roughness
     *
     * @param {TextureInfo} metallicRoughnessTexture
     * @returns {MetallicRoughness} this
     */
    metallicRoughnessTexture(metallicRoughnessTexture: TextureInfo): MetallicRoughness;
    build(indexer: Indexer): object;
}