boolean isRecursive();

    MavenExecutionRequest setPom(File pom);

    File getPom();

    // Errors
    MavenExecutionRequest setShowErrors(boolean showErrors);

    boolean isShowErrors();

    // Transfer listeners
    MavenExecutionRequest setTransferListener(TransferListener transferListener);

    TransferListener getTransferListener();

        } catch (IOException e) {
            System.err.println("Unable determine version from JAR file: " + e.getMessage());
        }

        return properties;
    }

    public static void showError(Logger logger, String message, Throwable e, boolean showStackTrace) {
        if (logger == null) {
            System.err.println(message);
            if (showStackTrace && e != null) {