import { ConcentricLayoutInputs } from './concentric2d';
/**
 * Concentric layout algorithm for 3D graphs.
 * @param graph
 * @param radius
 * @param drags
 * @param getNodePosition
 * @param concentricSpacing
 */
export declare function concentric3d({ graph, radius, drags, getNodePosition, concentricSpacing }: ConcentricLayoutInputs): {
    step(): boolean;
    getNodePosition(id: string): any;
};