import type { Database } from "./database.js";
import type { DependencyEdge } from "../types/index.js";
export declare class GraphStore {
    private db;
    private upsertStmt;
    private getImportsStmt;
    private getImportersStmt;
    private deleteByFileStmt;
    private getAllStmt;
    constructor(db: Database);
    upsert(sourceFileId: number, targetFileId: number, refCount: number): void;
    getImports(fileId: number): DependencyEdge[];
    getImporters(fileId: number): DependencyEdge[];
    deleteBySourceFile(fileId: number): void;
    getAll(): DependencyEdge[];
}