/**
 * Layout Engine
 *
 * Force-directed layout algorithm for positioning tables in 3D space.
 * Groups tables by domain clusters and applies physics simulation.
 */
import type { TableNode, EntryPointNode, Vector3D, TableRelationship } from '../types/index.js';
interface LayoutResult {
    tables: Map<string, Vector3D>;
    entryPoints: Map<string, Vector3D>;
    clusters: Map<string, Vector3D>;
}
/**
 * Detect which cluster a table belongs to based on its name
 */
export declare function detectCluster(tableName: string): string;
/**
 * Group tables by cluster
 */
export declare function groupByCluster(tables: readonly TableNode[]): Map<string, TableNode[]>;
/**
 * Main layout calculation
 */
export declare function calculateLayout(tables: readonly TableNode[], entryPoints: readonly EntryPointNode[], relationships: readonly TableRelationship[]): LayoutResult;
/**
 * Apply layout to galaxy data (mutates positions)
 */
export declare function applyLayout(tables: TableNode[], entryPoints: EntryPointNode[], relationships: readonly TableRelationship[]): void;
/**
 * Compute galaxy layout and return tables/entryPoints with positions
 */
export declare function computeGalaxyLayout(tables: readonly TableNode[], entryPoints: readonly EntryPointNode[], dataPaths: readonly {
    sourceId: string;
    targetTableId: string;
}[]): {
    tables: TableNode[];
    entryPoints: EntryPointNode[];
};
export {};
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