/**
 * Types for the plain-JavaScript readiness helper (PB-26-904). It stays a
 * `.mjs` so the process wrappers can run it without a build step, so the
 * declaration lives beside it rather than enabling `allowJs` project-wide.
 */

export interface ReadinessChild {
  exitCode: number | null;
  diagnostics: { stdout: string; stderr: string };
}

export function waitForFile(
  path: string,
  child: ReadinessChild,
  timeoutMs: number,
  pollMs?: number,
): Promise<string>;