Allows you to stack your items
Java docs: https://javadocs.groupez.xyz/zitemstacker/
Get ItemManager:
ItemManager itemManager = getProvider(ItemManager.class);
public <T> T getProvider(Class<T> classz) {
RegisteredServiceProvider<T> provider = getServer().getServicesManager().getRegistration(classz);
if (provider == null) {
log.log("Unable to retrieve the provider " + classz.toString(), LogType.WARNING);
return null;
}
return provider.getProvider() != null ? (T) provider.getProvider() : null;
}