--- a/net/minecraft/world/level/block/entity/TileEntity.java
+++ b/net/minecraft/world/level/block/entity/TileEntity.java
@@ -15,8 +15,18 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.persistence.CraftPersistentDataContainer;
+import org.bukkit.craftbukkit.persistence.CraftPersistentDataTypeRegistry;
+import org.bukkit.inventory.InventoryHolder;
+// CraftBukkit end
+
 public abstract class TileEntity {
 
+    // CraftBukkit start - data containers
+    private static final CraftPersistentDataTypeRegistry DATA_TYPE_REGISTRY = new CraftPersistentDataTypeRegistry();
+    public CraftPersistentDataContainer persistentDataContainer;
+    // CraftBukkit end
     private static final Logger LOGGER = LogManager.getLogger();
     private final TileEntityTypes<?> type;
     @Nullable
@@ -48,7 +58,16 @@
         return this.level != null;
     }
 
-    public void load(NBTTagCompound nbttagcompound) {}
+    // CraftBukkit start - read container
+    public void load(NBTTagCompound nbttagcompound) {
+        this.persistentDataContainer = new CraftPersistentDataContainer(DATA_TYPE_REGISTRY);
+
+        net.minecraft.nbt.NBTBase persistentDataTag = nbttagcompound.get("PublicBukkitValues");
+        if (persistentDataTag instanceof NBTTagCompound) {
+            this.persistentDataContainer.putAll((NBTTagCompound) persistentDataTag);
+        }
+    }
+    // CraftBukkit end
 
     protected void saveAdditional(NBTTagCompound nbttagcompound) {}
 
@@ -70,6 +89,11 @@
         NBTTagCompound nbttagcompound = new NBTTagCompound();
 
         this.saveAdditional(nbttagcompound);
+        // CraftBukkit start - store container
+        if (this.persistentDataContainer != null && !this.persistentDataContainer.isEmpty()) {
+            nbttagcompound.put("PublicBukkitValues", this.persistentDataContainer.toTagCompound());
+        }
+        // CraftBukkit end
         return nbttagcompound;
     }
 
@@ -202,4 +226,15 @@
     public void setBlockState(IBlockData iblockdata) {
         this.blockState = iblockdata;
     }
+
+    // CraftBukkit start - add method
+    public InventoryHolder getOwner() {
+        if (level == null) return null;
+        org.bukkit.block.Block block = level.getWorld().getBlockAt(worldPosition.getX(), worldPosition.getY(), worldPosition.getZ());
+        if (block.getType() == org.bukkit.Material.AIR) return null;
+        org.bukkit.block.BlockState state = block.getState();
+        if (state instanceof InventoryHolder) return (InventoryHolder) state;
+        return null;
+    }
+    // CraftBukkit end
 }