import type { Pair } from "@thi.ng/api";
import type { Edge, IGraph } from "./api.js";
/** @internal */
export declare const __toDot: (edges: Iterable<Pair<number, number>>, undirected: boolean, ids?: string[]) => string;
/** @internal */
export declare const __into: (graph: IGraph, edges: Iterable<Edge>) => void;
/** @internal */
export declare const __invert: <T extends IGraph>(graph: T, edges: Iterable<Edge>) => T;
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