import type Database from 'better-sqlite3';
import type { ExportFormat, GraphExportData } from '../models/entity';
/**
 * Export all graph data from the database.
 * SAD-0035: entities removed — only entityTypes, relationTypes, and relations.
 */
export declare function exportGraph(db: Database.Database): GraphExportData;
/**
 * Export graph data to a file in the specified format.
 */
export declare function exportGraphToFile(db: Database.Database, outputPath: string, format?: ExportFormat): void;
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