@SuppressWarnings("unchecked") // proxy for a generic class
    <V> Callable<V> waitFor(Callable<V> callable) {
      return waitFor(callable, Callable.class);
    }

    @SuppressWarnings("unchecked") // proxy for a generic class
    <V> ClosingCallable<V> waitFor(ClosingCallable<V> closingCallable) {
      return waitFor(closingCallable, ClosingCallable.class);
    }

            ProcessBuilder pb = new ProcessBuilder("docker", "--version");
            pb.redirectErrorStream(true);
            Process process = pb.start();
            int exitCode = process.waitFor();

            if (exitCode != 0) {
                return false;
            }

            // For CI environments, also check if Docker daemon is actually running
            if (isCI) {