package net.minecraft.util.datafix.schemas; import com.mojang.datafixers.DSL; import com.mojang.datafixers.schemas.Schema; import com.mojang.datafixers.types.templates.TypeTemplate; import java.util.Map; import java.util.function.Supplier; import net.minecraft.util.datafix.fixes.References; public class V3204 extends NamespacedSchema { public V3204(int p_250011_, Schema p_250175_) { super(p_250011_, p_250175_); } @Override public Map> registerBlockEntities(Schema p_250991_) { Map> map = super.registerBlockEntities(p_250991_); p_250991_.register(map, "minecraft:chiseled_bookshelf", () -> DSL.optionalFields("Items", DSL.list(References.ITEM_STACK.in(p_250991_)))); return map; } }