import { ArxPolygonFlags } from 'arx-convert/types';
import { BufferGeometry, Mesh, Vector2 } from 'three';
import { Rotation } from '../../Rotation.js';
import { Texture } from '../../Texture.js';
import { Vector3 } from '../../Vector3.js';
type loadOBJProperties = {
    /**
     * default value is undefined
     */
    position?: Vector3;
    /**
     * default value is undefined
     */
    scale?: number | Vector3;
    /**
     * default value is undefined
     */
    scaleUV?: number | Vector2 | ((texture: Texture) => number | Vector2);
    /**
     * default value is undefined
     */
    orientation?: Rotation;
    /**
     * default value is (ArxPolygonFlags.DoubleSided | ArxPolygonFlags.Tiled)
     * which is also the same as what you will get as the value for defaultFlags when
     * you pass a function as the value
     */
    materialFlags?: ArxPolygonFlags | ((texture: Texture, defaultFlags: ArxPolygonFlags) => ArxPolygonFlags);
    /**
     * default value is Texture.missingTexture with the same flags as materialFlags
     */
    fallbackTexture?: Texture;
    /**
     * default value is false
     */
    reversedPolygonWinding?: boolean;
    /**
     * aligns the center of the model to 0/0/0
     *
     * default value is false
     */
    centralize?: boolean;
    /**
     * Aligns an object's y axis to 0/0/0
     *
     * - `"bottom"` will make all the points of the model above 0/0/0
     * - `"top"` will make all the points of the model below 0/0/0
     * - `"center"` keeps the model in the middle
     *
     * if centralize is true then the default value is 'center'
     * otherwise undefined
     */
    verticalAlign?: 'bottom' | 'center' | 'top';
};
/**
 * Loads an obj file and an optional mtl file
 *
 * @see https://en.wikipedia.org/wiki/Wavefront_.obj_file
 */
export declare const loadOBJ: (filenameWithoutExtension: string, { position, scale, scaleUV, orientation, materialFlags, fallbackTexture, reversedPolygonWinding, centralize, verticalAlign, }?: loadOBJProperties) => Promise<{
    meshes: Mesh<BufferGeometry<import("three").NormalBufferAttributes>, import("three").Material | import("three").Material[], import("three").Object3DEventMap>[];
    materials: Texture[];
}>;
export {};