#831: Add a standard of annotations for Minecraft experimental things and API

By: Doc <nachito94@msn.com>
Also-by: 2008Choco <hawkeboyz2@hotmail.com>

paper-api/src/main/java/org/bukkit/block/Skull.java

@@ -1,11 +1,13 @@
 package org.bukkit.block;
 
 import org.bukkit.Material;
+import org.bukkit.MinecraftExperimental;
 import org.bukkit.NamespacedKey;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.SkullType;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.profile.PlayerProfile;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -94,6 +96,8 @@ public interface Skull extends TileState {
      *
      * @return the key of the sound, or null
      */
+    @MinecraftExperimental
+    @ApiStatus.Experimental
     @Nullable
     public NamespacedKey getNoteBlockSound();
 
@@ -104,7 +108,10 @@ public interface Skull extends TileState {
      * see {@link org.bukkit.Instrument}.
      *
      * @param noteBlockSound the key of the sound to be played, or null
+     *
      */
+    @MinecraftExperimental
+    @ApiStatus.Experimental
     public void setNoteBlockSound(@Nullable NamespacedKey noteBlockSound);
 
     /**