/**
 * Copyright (c) 2026 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */
import { LinesBuilder } from '../lines-builder.js';
import { Mat4 } from '../../../../mol-math/linear-algebra/3d/mat4.js';
export interface AddSphereOptions {
    /** Number of segments per circle (default: 32) */
    segments?: number;
    /** Number of circles per dimension, evenly spaced along each axis (default: 1) */
    circlesPerDimension?: number;
}
/**
 * Add a wireframe sphere to a LinesBuilder as orthogonal circles in XY, XZ, YZ planes.
 */
export declare function addSphere(builder: LinesBuilder, radius: number, transform: Mat4, group: number, options?: AddSphereOptions): void;