import { IVec3 } from '@gglib/math';
import type { ModelBuilder } from '../model/ModelBuilder';
/**
 * Options for the {@link buildParametricSurface} function
 *
 * @public
 */
export interface BuildParametricSurfaceOptions {
    /**
     * Function returning xyz position for u v input
     */
    f: (u: number, v: number) => IVec3;
    /**
     * Function returning normal vector for u v input
     */
    n?: (u: number, v: number) => IVec3;
    /**
     * Start value of `u`. Default is `0`
     */
    u0?: number;
    /**
     * End value of `u`. Default is `1`
     */
    u1?: number;
    /**
     * Start value of `v`. Default is `0`
     */
    v0?: number;
    /**
     * End value of `v`. Default is `1`
     */
    v1?: number;
    /**
     * Tesselation in `u` direction. Default is `1`
     */
    tu?: number;
    /**
     * Tesselation in `v` direction. Default is `1`
     */
    tv?: number;
}
/**
 * Builds a parametric surface into the {@link ModelBuilder}
 * @public
 */
export declare function buildParametricSurface(builder: ModelBuilder, options: BuildParametricSurfaceOptions): void;
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