Add Override annotations where appropriate

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/inventory/BrewerInventory.java

@@ -40,6 +40,7 @@ public interface BrewerInventory extends Inventory {
      */
     void setFuel(@Nullable ItemStack fuel);
 
+    @Override
     @Nullable
     BrewingStand getHolder();
 }

paper-api/src/main/java/org/bukkit/inventory/DoubleChestInventory.java

@@ -25,6 +25,7 @@ public interface DoubleChestInventory extends Inventory {
     @NotNull
     Inventory getRightSide();
 
+    @Override
     @Nullable
     DoubleChest getHolder();
 }

paper-api/src/main/java/org/bukkit/inventory/FurnaceInventory.java

@@ -53,6 +53,7 @@ public interface FurnaceInventory extends Inventory {
      */
     void setSmelting(@Nullable ItemStack stack);
 
+    @Override
     @Nullable
     Furnace getHolder();
 }

paper-api/src/main/java/org/bukkit/inventory/ItemStack.java

@@ -430,6 +430,7 @@ public class ItemStack implements Cloneable, ConfigurationSerializable {
         return level;
     }
 
+    @Override
     @NotNull
     @Utility
     public Map<String, Object> serialize() {

paper-api/src/main/java/org/bukkit/inventory/PlayerInventory.java

@@ -212,6 +212,7 @@ public interface PlayerInventory extends Inventory {
      */
     public void setHeldItemSlot(int slot);
 
+    @Override
     @Nullable
     public HumanEntity getHolder();
 }

paper-api/src/main/java/org/bukkit/inventory/ShapedRecipe.java

@@ -189,6 +189,7 @@ public class ShapedRecipe implements Recipe, Keyed {
      *
      * @return The result stack.
      */
+    @Override
     @NotNull
     public ItemStack getResult() {
         return output.clone();

paper-api/src/main/java/org/bukkit/inventory/ShapelessRecipe.java

@@ -253,6 +253,7 @@ public class ShapelessRecipe implements Recipe, Keyed {
      *
      * @return The result stack.
      */
+    @Override
     @NotNull
     public ItemStack getResult() {
         return output.clone();

paper-api/src/main/java/org/bukkit/inventory/meta/BookMeta.java

@@ -182,6 +182,7 @@ public interface BookMeta extends ItemMeta {
      */
     int getPageCount();
 
+    @Override
     @NotNull
     BookMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/EnchantmentStorageMeta.java

@@ -76,6 +76,7 @@ public interface EnchantmentStorageMeta extends ItemMeta {
      */
     boolean hasConflictingStoredEnchant(@NotNull Enchantment ench);
 
+    @Override
     @NotNull
     EnchantmentStorageMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/FireworkEffectMeta.java

@@ -33,6 +33,7 @@ public interface FireworkEffectMeta extends ItemMeta {
     @Nullable
     FireworkEffect getEffect();
 
+    @Override
     @NotNull
     FireworkEffectMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/FireworkMeta.java

@@ -91,6 +91,7 @@ public interface FireworkMeta extends ItemMeta {
      */
     void setPower(int power) throws IllegalArgumentException;
 
+    @Override
     @NotNull
     FireworkMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/LeatherArmorMeta.java

@@ -30,6 +30,7 @@ public interface LeatherArmorMeta extends ItemMeta {
      */
     void setColor(@Nullable Color color);
 
+    @Override
     @NotNull
     LeatherArmorMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/MapMeta.java

@@ -156,6 +156,7 @@ public interface MapMeta extends ItemMeta {
      */
     void setColor(@Nullable Color color);
 
+    @Override
     @NotNull
     MapMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/SkullMeta.java

@@ -55,6 +55,7 @@ public interface SkullMeta extends ItemMeta {
      */
     boolean setOwningPlayer(@Nullable OfflinePlayer owner);
 
+    @Override
     @NotNull
     SkullMeta clone();
 }

paper-api/src/main/java/org/bukkit/inventory/meta/TropicalFishBucketMeta.java

@@ -80,6 +80,7 @@ public interface TropicalFishBucketMeta extends ItemMeta {
      */
     boolean hasVariant();
 
+    @Override
     @NotNull
     TropicalFishBucketMeta clone();
 }