/**
 * @angular-modernizer/plugin-angular - Dependency Graph
 *
 * Builds and maintains a complete dependency graph of the Angular codebase.
 * Tracks all imports, exports, and relationships between modules.
 *
 * Key Features:
 * - Cross-file dependency analysis
 * - Layer boundary detection
 * - Circular dependency detection
 * - Import type classification
 */
import { type SourceFile } from 'ts-morph';
import { type DependencyNode, type DependencyEdge, ArchitectureLayer } from './types.js';
export declare class DependencyGraph {
    private readonly nodes;
    private readonly edges;
    constructor();
    /**
     * Builds the complete dependency graph for the given source files
     */
    build(sourceFiles: SourceFile[]): void;
    /**
     * Gets all nodes in the graph
     */
    getNodes(): Map<string, DependencyNode>;
    /**
     * Gets all nodes as an array
     */
    getAllNodes(): DependencyNode[];
    /**
     * Gets all edges in the graph
     */
    getEdges(): DependencyEdge[];
    /**
     * Finds all circular dependencies
     */
    findCircularDependencies(): string[][];
    /**
     * Gets all layer violations
     */
    getLayerViolations(): {
        source: string;
        target: string;
        sourceLayer: ArchitectureLayer;
        targetLayer: ArchitectureLayer;
    }[];
    private createNode;
    private createEdges;
    private createEdgeFromImport;
    private updateDependents;
    private determineLayer;
    private determineModuleType;
    private classifyImportType;
    private extractImportedSymbols;
    private resolveModulePath;
    private resolvePathMapping;
    private resolveRelativePath;
    private isLayerImportAllowed;
}
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