import { AnalyzerGraph } from '../analyzer/types.js';
import { GraphJson } from '../formats/gml/types.js';
import { TestGraph } from '../generation/generators/types.js';
import { GraphSpec } from '../generation/spec.js';
import { CoreGraph, DocumentedGraph, GraphMeta as CoreGraphMeta, SpecifiedGraph } from '../types/graph-core.js';
/**
 * Convert CoreGraph to AnalyzerGraph format.
 *
 * Note: Hyperedges are not supported by CoreGraph, so all edges become binary edges.
 * The `directed` property is taken from the graph-level default or per-edge override.
 *
 * @param core - CoreGraph to convert
 * @returns AnalyzerGraph representation
 */
export declare const toAnalyzerGraph: (core: CoreGraph) => AnalyzerGraph;
/**
 * Convert AnalyzerGraph to CoreGraph format.
 *
 * Only binary edges (length === 2) are converted. Hyperedges are dropped with a warning.
 * Mixed directionality is preserved via per-edge `directed` flags.
 *
 * @param analyzer - AnalyzerGraph to convert
 * @returns CoreGraph representation
 */
export declare const fromAnalyzerGraph: (analyzer: AnalyzerGraph) => CoreGraph;
/**
 * Convert CoreGraph to TestGraph by adding a spec.
 *
 * @param core - CoreGraph to convert
 * @param spec - GraphSpec to attach
 * @returns TestGraph representation
 */
export declare const toTestGraph: (core: CoreGraph, spec: GraphSpec) => TestGraph;
/**
 * Convert TestGraph to CoreGraph.
 *
 * @param test - TestGraph to convert
 * @returns CoreGraph representation
 */
export declare const fromTestGraph: (test: TestGraph) => CoreGraph;
/**
 * Wrap CoreGraph with a GraphSpec to create SpecifiedGraph.
 *
 * @param core - CoreGraph to wrap
 * @param spec - GraphSpec to attach
 * @returns SpecifiedGraph
 */
export declare const toSpecifiedGraph: (core: CoreGraph, spec: GraphSpec) => SpecifiedGraph;
/**
 * Extract CoreGraph from SpecifiedGraph (removes spec).
 *
 * @param specified - SpecifiedGraph to unwrap
 * @returns CoreGraph without spec
 */
export declare const fromSpecifiedGraph: (specified: SpecifiedGraph) => CoreGraph;
/**
 * Wrap CoreGraph with metadata to create DocumentedGraph.
 *
 * @param core - CoreGraph to wrap
 * @param meta - Metadata to attach
 * @returns DocumentedGraph
 */
export declare const toDocumentedGraph: (core: CoreGraph, meta: CoreGraphMeta) => DocumentedGraph;
/**
 * Extract CoreGraph from DocumentedGraph (removes metadata).
 *
 * @param doc - DocumentedGraph to unwrap
 * @param document
 * @returns CoreGraph without metadata
 */
export declare const fromDocumentedGraph: (document: DocumentedGraph) => CoreGraph;
/**
 * Convert GraphJson (GML format) to DocumentedGraph.
 *
 * @param json - GraphJson from file parser
 * @returns DocumentedGraph
 */
export declare const fromGraphJson: (json: GraphJson) => DocumentedGraph;
/**
 * Convert DocumentedGraph to GraphJson (GML format).
 *
 * @param doc - DocumentedGraph to convert
 * @param document
 * @returns GraphJson for file serialization
 */
export declare const toGraphJson: (document: DocumentedGraph) => GraphJson;
/**
 * Convert any graph type to CoreGraph.
 *
 * Supports:
 * - AnalyzerGraph
 * - TestGraph
 * - SpecifiedGraph
 * - DocumentedGraph
 * - GraphJson
 *
 * @param graph - Graph in any supported format
 * @returns CoreGraph representation
 */
export declare const toCoreGraph: (graph: CoreGraph | AnalyzerGraph | TestGraph | SpecifiedGraph | DocumentedGraph | GraphJson) => CoreGraph;
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