@Override
    @PreDestroy
    public void close() throws Exception {
        if (executorService != null) {
            try {
                executorService.shutdown();
                executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }

xsbti/ServerMain.class package xsbti; public abstract interface ServerMain { public abstract Server start(AppConfiguration); } xsbti/Server.class package xsbti; public abstract interface Server { public abstract java.net.URI uri(); public abstract MainResult awaitTermination(); } xsbti/ScalaProvider.class package xsbti; public abstract interface ScalaProvider { public abstract Launcher launcher(); public abstract String version(); public abstract ClassLoader loader(); public abstract java.io.File[] jars(); public...