Turn into interface instead of removing

Author: coderFlameyosFlow

src/main/java/me/flame/menus/menu/fillers/MenuFiller.java

@@ -1,63 +1,18 @@
 package me.flame.menus.menu.fillers;
 
 import me.flame.menus.items.MenuItem;
-
-import lombok.val;
-
-import me.flame.menus.menu.BaseMenu;
-
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 
-import org.jetbrains.annotations.ApiStatus;
-import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NotNull;
-
-@Deprecated
-@SuppressWarnings("unused")
-@ApiStatus.ScheduledForRemoval(inVersion = "1.4.0")
-public final class MenuFiller {
-    private final BaseMenu<?> menu;
-
-    MenuFiller(@NotNull BaseMenu<?> menu) {
-        this.menu = menu;
-    }
-
-    @Contract(value = "_ -> new", pure = true)
-    public static @NotNull MenuFiller from(@NotNull BaseMenu<?> menu) {
-        return new MenuFiller(menu);
-    }
-
-    public void fill(Material borderMaterial) {
-        final int size = menu.getSize();
-
-        for (int i = 0; i < size; i++) {
-            val item = menu.getItem(i);
-            if (item == null || item.getType() == Material.AIR) {
-                menu.setItem(i, new ItemStack(borderMaterial));
-            }
-        }
-    }
-
-    public void fill(@NotNull MenuItem menuItem) {
-        final int size = menu.getSize();
-
-        for (int i = 0; i < size; i++) {
-            val item = menu.getItem(i);
-            if (item == null || item.getType() == Material.AIR) {
-                menu.setItem(i, menuItem.getItemStack());
-            }
-        }
-    }
-
-    public void fill(ItemStack itemStack) {
-        final int size = menu.getSize();
+public interface MenuFiller {
+    void fill(Material borderMaterial);
+    void fill(MenuItem menuItem);
+    void fill(ItemStack itemStack);
+    void fillBorders(Material borderMaterial);
+    void fillBorders(MenuItem borderMaterial);
+    void fillBorders(ItemStack itemStack);
 
-        for (int i = 0; i < size; i++) {
-            val item = menu.getItem(i);
-            if (item == null || item.getType() == Material.AIR) {
-                menu.setItem(i, itemStack);
-            }
-        }
+    static boolean isBorderSlot(int i, int size) {
+        return (i < 9 || i >= size - 9) || (i % 9 == 0 || i % 9 == 8);
     }
 }