registerItem
fun registerItem(name: String, vararg behaviors: ItemBehaviorHolder, localizedName: String? = null, isHidden: Boolean = false): RegistryEntry.Paper<ItemType>
fun registerItem(block: RegistryEntry.Paper<BlockType>, vararg behaviors: ItemBehaviorHolder, localizedName: String? = null, isHidden: Boolean = false): RegistryEntry.Paper<ItemType>
fun registerItem(block: RegistryEntry.Paper<BlockType>, name: String, vararg behaviors: ItemBehaviorHolder, localizedName: String? = null, isHidden: Boolean = false): RegistryEntry.Paper<ItemType>