import type { Graph, Node, PositionMap } from "../../types";
/**
 * Position nodes in layers of straight lines (multipartite layout).
 * @param G - Graph or list of nodes
 * @param subsetKey - Object mapping layers to node sets, or node attribute name
 * @param align - The alignment of nodes: 'vertical' or 'horizontal'
 * @param scale - Scale factor for positions
 * @param center - Coordinate pair around which to center the layout
 * @returns Positions dictionary keyed by node
 */
export declare function multipartiteLayout(G: Graph, subsetKey?: Record<number | string, Node | Node[]> | string, align?: "vertical" | "horizontal", scale?: number, center?: number[] | null): PositionMap;
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