/**
 * Graph utility functions
 */
import { Edge, Graph, Node } from "../types";
/**
 * Extract nodes from a graph object
 * @param G - Graph or list of nodes
 * @returns Array of nodes
 */
export declare function getNodesFromGraph(G: Graph | Node[]): Node[];
/**
 * Extract edges from a graph object
 * @param G - Graph or list of nodes
 * @returns Array of edges
 */
export declare function getEdgesFromGraph(G: Graph | Node[]): Edge[];
/**
 * Get the degree of a node in the graph
 * @param graph - Graph object
 * @param node - Node to get degree for
 * @returns Degree of the node
 */
export declare function getNodeDegree(graph: Graph, node: Node): number;
/**
 * Get the neighbors of a node in the graph
 * @param graph - Graph object
 * @param node - Node to get neighbors for
 * @returns Array of neighbor nodes
 */
export declare function getNeighbors(graph: Graph, node: Node): Node[];
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