Add a very important note about the original world in ChangeEntityWorldEvent.
/**
* Gets the {@link ServerWorld world} the {@link Entity} is coming from.
*
+ * <p>One thing to keep in mind is that an implementation may choose to unload worlds, for any reason.
+ * Our API guarantees that the destination world will be loaded but we give no guarantee that the
+ * origin world is. With that in mind, we highly recommend you check {@link ServerWorld#isLoaded()} before
+ * interacting with this world in any manner.</p>
+ *
* @return The world
*/
@AbsoluteSortPosition(2)
