@Override
        protected Void perform() {
            sendUpdate(this.uniqueId);
            return null;
        }
Calls {@link net.minecraft.server.PlayerManager#sendCommandTree()} when a players permissions change.

TODO: Extract base class for this and BukkitCommandListUpdater
fabric/src/main/java/me/lucko/luckperms/fabric/listeners/FabricCommandListUpdater.java