Migrate different stuff

Author: MrHell228

src/main/java/org/spongepowered/api/advancement/DisplayInfo.java

@@ -28,6 +28,7 @@
 import org.spongepowered.api.Sponge;
 import org.spongepowered.api.item.ItemType;
 import org.spongepowered.api.item.inventory.ItemStack;
+import org.spongepowered.api.item.inventory.ItemStackLike;
 import org.spongepowered.api.item.inventory.ItemStackSnapshot;
 import org.spongepowered.api.util.CopyableBuilder;
 
@@ -164,24 +165,29 @@ default Builder icon(ItemType itemType) {
         }
 
         /**
-         * Sets the icon of the advancement with the
-         * specified {@link ItemStack}.
-         *
-         * @param itemStack The item stack
-         * @return This builder, for chaining
+         * @deprecated Use {@link #icon(ItemStackLike)} instead.
          */
+        @Deprecated(forRemoval = true)
         default Builder icon(ItemStack itemStack) {
-            return this.icon(itemStack.asImmutable());
+            return this.icon((ItemStackLike) itemStack);
+        }
+
+        /**
+         * @deprecated Use {@link #icon(ItemStackLike)} instead.
+         */
+        @Deprecated(forRemoval = true)
+        default Builder icon(ItemStackSnapshot itemStackSnapshot) {
+            return this.icon((ItemStackLike) itemStackSnapshot);
         }
 
         /**
          * Sets the icon of the advancement with the
-         * specified {@link ItemStackSnapshot}.
+         * specified {@link ItemStackLike}.
          *
-         * @param itemStackSnapshot The item stack snapshot
+         * @param itemStack The item stack snapshot
          * @return This builder, for chaining
          */
-        Builder icon(ItemStackSnapshot itemStackSnapshot);
+        Builder icon(ItemStackLike itemStack);
 
         /**
          * Sets whether a toast should be shown. This is the notification

src/main/java/org/spongepowered/api/block/entity/Jukebox.java

@@ -27,6 +27,7 @@
 import org.spongepowered.api.data.Keys;
 import org.spongepowered.api.data.value.Value;
 import org.spongepowered.api.item.inventory.ItemStack;
+import org.spongepowered.api.item.inventory.ItemStackLike;
 import org.spongepowered.api.item.inventory.ItemStackSnapshot;
 
 /**
@@ -59,10 +60,18 @@ default Value.Mutable<ItemStackSnapshot> item() {
      */
     void eject();
 
+    /**
+     * @deprecated Use {@link #insert(ItemStackLike)} instead.
+     */
+    @Deprecated(forRemoval = true)
+    default void insert(ItemStack disc) {
+        this.insert((ItemStackLike) disc);
+    }
+
     /**
      * Ejects the current music disc item in this Jukebox and inserts the given one.
      *
      * @param disc The music disc item to insert
      */
-    void insert(ItemStack disc);
+    void insert(ItemStackLike disc);
 }

src/main/java/org/spongepowered/api/event/cause/entity/damage/DamageModifier.java

@@ -30,6 +30,7 @@
 import org.spongepowered.api.item.ItemTypes;
 import org.spongepowered.api.item.enchantment.Enchantment;
 import org.spongepowered.api.item.inventory.ItemStack;
+import org.spongepowered.api.item.inventory.ItemStackLike;
 import org.spongepowered.api.item.inventory.ItemStackSnapshot;
 import org.spongepowered.api.util.CopyableBuilder;
 
@@ -162,13 +163,24 @@ public Builder group(final String group) {
             return this;
         }
 
+        /**
+         * @deprecated Use {@link #item(ItemStackLike)} instead.
+         */
+        @Deprecated(forRemoval = true)
         public Builder item(final ItemStack itemStack) {
-            this.item(java.util.Objects.requireNonNull(itemStack, "ItemStack").asImmutable());
-            return this;
+            return this.item((ItemStackLike) itemStack);
         }
 
+        /**
+         * @deprecated Use {@link #item(ItemStackLike)} instead.
+         */
+        @Deprecated(forRemoval = true)
         public Builder item(final ItemStackSnapshot snapshot) {
-            this.snapshot = java.util.Objects.requireNonNull(snapshot, "ItemStackSnapshot");
+            return this.item((ItemStackLike) snapshot);
+        }
+
+        public Builder item(final ItemStackLike item) {
+            this.snapshot = java.util.Objects.requireNonNull(item, "item").asImmutable();
             return this;
         }