/**
 * Dependency graph for import tracking and cache invalidation.
 * Computes depsHash for transform cache keys.
 */
export declare class DependencyGraph {
    private dependencies;
    private dependents;
    addModule(filePath: string, dependencies: string[]): void;
    getDirectDependencies(filePath: string): string[];
    getTransitiveDependencies(filePath: string): string[];
    getDependents(filePath: string): string[];
    removeModule(filePath: string): void;
    wouldCreateCycle(from: string, to: string): boolean;
    clear(): void;
    getAllModules(): string[];
    private collectDeps;
    private hasTransitiveDependency;
    private collectDependents;
}
export interface DependencyHashCache {
    graph: DependencyGraph;
    contentHashes: Map<string, string>;
    completedModules: Set<string>;
    inProgressModules: Map<string, Promise<void>>;
    buildQueue: Promise<void>;
}
export declare function createDependencyHashCache(): DependencyHashCache;
export declare function invalidateDependencyHashCache(cache: DependencyHashCache, changedPaths: Iterable<string>): number;
export declare function extractImports(code: string): Promise<string[]>;
/**
 * Filter imports to only local/relative paths (excludes npm, URLs, and framework imports).
 */
export declare function filterLocalImports(specifiers: string[]): string[];
export declare function normalizeSpecifierToPath(specifier: string, fromFile: string, projectDir: string): string;
export declare function computeDepsHash(filePath: string, getContent: (path: string) => Promise<string>, projectDir: string, cache?: DependencyHashCache): Promise<string>;
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