changeId

public abstract void changeId(@NotNull() @NotNull() String oldId, Skin newSkin)

This is meant for the gui, after changing the skinid, to change in the database too. It deletes the old skin, and you must define it again like this: new Skin(id, name, modelId, rarity, categories, enabled, noteMaterial, displayItem, animations)

Parameters

oldId

The old id of the skin

newSkin

The new skin definition