public synchronized void flush() {
        for (VerboseEvent e; (e = this.queue.poll()) != null; ) {
            for (VerboseListener listener : this.listeners.values()) {
                listener.acceptEvent(e);
            }
        }
    }
Flushes the pending events to listeners.
common/src/main/java/me/lucko/luckperms/common/verbose/VerboseHandler.java