private void requestUpdate(UUID uniqueId) {
        if (!this.plugin.getBootstrap().isPlayerOnline(uniqueId)) {
            return;
        }

        // Buffer the request to send a commands update.
        this.sendingBuffers.get(uniqueId).request();
    }
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