added missing annotation tags

Author: broken1arrow

Menu Library/src/main/java/org/broken/arrow/library/menu/CheckItemsInsideMenu.java

@@ -16,6 +16,7 @@
 import org.bukkit.inventory.ItemStack;
 
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -367,15 +368,15 @@ public static boolean isAir(final Material material) {
      * @param slot      The slot to update.
      * @param item      The ItemStack currently in the slot.
      */
-    public void setToOneItem(final Inventory inventory, final int slot, final ItemStack item) {
+    public void setToOneItem(@Nonnull final Inventory inventory, final int slot, @Nullable final ItemStack item) {
         if (checkDuplicates && item != null) {
             ItemStack clone = new ItemStack(item);
             clone.setAmount(1);
             inventory.setItem(slot, clone);
         }
     }
 
-    private static boolean nameEquals(final Material mat, final String... names) {
+    private static boolean nameEquals(@Nonnull final Material mat, final String... names) {
         final String matName = mat.toString();
 
         for (final String name : names)

Menu Library/src/main/java/org/broken/arrow/library/menu/messages/SendMsgDuplicatedItems.java

@@ -181,10 +181,10 @@ public void sendMessage(Player player, String msg) {
      * Sends the blacklist message to the player regarding the specified blacklisted item.
      * The message supports color codes and placeholder replacement.
      *
-     * @param player    the player to send the message to
+     * @param player               the player to send the message to
      * @param blacklistItemWrapper the blacklist wrapper for the item stack triggering the message
      */
-    public void sendBlacklistMessage(final Player player,@Nonnull final BlacklistItemWrapper blacklistItemWrapper) {
+    public void sendBlacklistMessage(final Player player, @Nonnull final BlacklistItemWrapper blacklistItemWrapper) {
         String message;
         if (blacklistMessage == null) {
             message = "&fThis item&6 {0}&f are blacklisted and you get the items back.";