@@ -0,0 +1,378 @@
+package com.elmakers.mine.bukkit.entity;%0A%0Aimport org.bukkit.entity.Entity;%0A%0A// TODO%0Apublic class EntityAreaEffectCloudData extends EntityExtraData %7B%0A    %0A    @Override%0A    public void apply(Entity entity) %7B%0A%0A    %7D%0A%0A    @Override%0A    public EntityExtraData clone() %7B%0A        EntityAreaEffectCloudData copy = new EntityAreaEffectCloudData();%0A        %0A        return copy;%0A    %7D%0A%7D%0A

Check in this empty class because I've been sitting on it for way too long. One day, one day!