private void shutdownReconfigurer() {
        if (!reconfigurerThread.isAlive()) return;
        log.info("Shutting down reconfiguration thread");
        long start = System.currentTimeMillis();
        shutdownReconfiguration = true;
        configurer.shutdownConfigRetriever();
        try {
            reconfigurerThread.join();
            log.info(String.format(
                    "Reconfiguration thread shutdown completed in %.3f seconds", (System.currentTimeMillis() - start) / 1000D));
        } catch (InterruptedException e) {
            String message = "Interrupted while waiting for reconfiguration shutdown";
            log.warning(message);
            log.log(Level.FINE, e.getMessage(), e);
            throw new UncheckedInterruptedException(message, true);
        }
    }
Do not delete this method even if it's empty.
Calling this methods forces this class to be loaded,
which runs the static block.
container-disc/src/main/java/com/yahoo/container/jdisc/ConfiguredApplication.java