import { DependencyGraphResult, HubInfo } from '../types.js';
export declare class DependencyGraphBuilder {
    private projectDir;
    private nodes;
    private edges;
    constructor(projectDir: string);
    /** Build the complete dependency graph */
    build(): Promise<DependencyGraphResult>;
    /** Get detailed analysis of the graph */
    getDependencyDetails(graph: DependencyGraphResult): {
        hubs: HubInfo[];
        orphans: string[];
        cycles: string[][];
        depthStats: {
            maxDepth: number;
            avgDepth: number;
        };
        couplingScore: number;
    };
    /** Extract import targets from a source file */
    private extractImports;
    /** Detect import type */
    private detectImportType;
    /** Detect all cycles using Tarjan's strongly connected components */
    private detectCycles;
    /** Find files with no imports and no importers (except entry points) */
    private findOrphans;
    /** Compute dependency depth statistics using BFS */
    private computeDepthStats;
    /** Get all source files */
    private getSourceFiles;
    /** Classify a file by its role */
    private classifyFile;
}
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