Don't use Java Serializable

[iceBear67]

It is ineffecient and insecure.
Item 85 : Prefer alternatives to java serialization

Instead, I prefer ByteArrayDataOutput in Guava, which is already in Spigot, you can use it in your plugin directly for a better performance and security. < 3

[huzpsb]

Will look into it after training the model to be good enough.