Merge master again

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitServerInterface.java

@@ -67,6 +67,14 @@ public class BukkitServerInterface implements MultiUserPlatform {
         return BukkitRegistries.getInstance();
     }
 
+    @Override
+    public int getDataVersion() {
+        if (plugin.getBukkitImplAdapter() != null) {
+            return plugin.getBukkitImplAdapter().getDataVersion();
+        }
+        return 0;
+    }
+
     @Override
     public boolean isValidMobType(String type) {
         final EntityType entityType = EntityType.fromName(type);

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplAdapter.java

@@ -40,6 +40,13 @@ import javax.annotation.Nullable;
  */
 public interface BukkitImplAdapter {
 
+    /**
+     * Get the Minecraft data version for the current world data.
+     *
+     * @return the data version
+     */
+    int getDataVersion();
+
     /**
      * Get the block at the given location.
      *