craftbukkit/nms-patches/net/minecraft/world/inventory/InventoryEnderChest.patch

--- a/net/minecraft/world/inventory/InventoryEnderChest.java
+++ b/net/minecraft/world/inventory/InventoryEnderChest.java
@@ -9,13 +9,32 @@
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.block.entity.TileEntityEnderChest;
 
+// CraftBukkit start
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.util.CraftLocation;
+import org.bukkit.inventory.InventoryHolder;
+// CraftBukkit end
+
 public class InventoryEnderChest extends InventorySubcontainer {
 
     @Nullable
     private TileEntityEnderChest activeChest;
+    // CraftBukkit start
+    private final EntityHuman owner;
 
-    public InventoryEnderChest() {
+    public InventoryHolder getBukkitOwner() {
+        return owner.getBukkitEntity();
+    }
+
+    @Override
+    public Location getLocation() {
+        return this.activeChest != null ? CraftLocation.toBukkit(this.activeChest.getBlockPos(), this.activeChest.getLevel().getWorld()) : null;
+    }
+
+    public InventoryEnderChest(EntityHuman owner) {
         super(27);
+        this.owner = owner;
+        // CraftBukkit end
     }
 
     public void setActiveChest(TileEntityEnderChest tileentityenderchest) {