/// <reference types="node" />
import * as fs from 'fs';
/**
 * @ignore
 */
export declare class PackageDetector {
    readonly packageCache: Map<string, any>;
    getRootOf(directory: string): string;
    getInfo(rootDir: string): any;
    getCallerFile(position?: number): any;
    readdirSync(dirPath: fs.PathLike): string[];
    readFileSync(filePath: fs.PathLike, options: {
        encoding: 'utf8';
    }): string;
}