/**
 * Spring layout algorithm (Fruchterman-Reingold variant)
 */
import { Graph, Node, PositionMap } from "../../types";
/**
 * Position nodes using Fruchterman-Reingold force-directed algorithm.
 * @param G - Graph or list of nodes
 * @param k - Optimal distance between nodes
 * @param pos - Initial positions for nodes
 * @param fixed - Nodes to keep fixed at initial position
 * @param iterations - Maximum number of iterations
 * @param scale - Scale factor for positions
 * @param center - Coordinate pair around which to center the layout
 * @param dim - Dimension of layout
 * @param seed - Random seed for initial positions
 * @returns Positions dictionary keyed by node
 */
export declare function springLayout(G: Graph, k?: number | null, pos?: PositionMap | null, fixed?: Node[] | null, iterations?: number, scale?: number, center?: number[] | null, dim?: number, seed?: number | null): PositionMap;
//# sourceMappingURL=spring.d.ts.map