/**
 * Check whether file exists.
 * @param pth
 * @returns `true` if the pth exists and is an ordinary file
 */
export declare function fileExists(pth: string): boolean;
/**
 * Resolves the file to run for the specified `package.json` based
 * library/application.
 *
 * Attempts resolution via the `exports` entry (using `resolve-pkg-maps`)
 * and then via Node's legacy CommonJS resolution using the `main` field.
 *
 * @param outputPath the Nx project output path as a absolute path, usually in the `dist/` folder
 * @returns the absolute path of the file to run
 *
 * @see libs/node-runner/src/lib/node-loader.ts
 */
export declare function resolveFileToRunFromPackageJson(outputPath: string): string;