Fix build

worldedit-bukkit/src/main/java/com/fastasyncworldedit/bukkit/preloader/PluginPreloader.java

@@ -9,6 +9,7 @@ import org.bukkit.World;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.generator.BiomeProvider;
 import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.plugin.PluginBase;
 import org.bukkit.plugin.PluginDescriptionFile;
@@ -187,6 +188,14 @@ public class PluginPreloader extends PluginBase {
         return null;
     }
 
+    @Override
+    public @Nullable BiomeProvider getDefaultBiomeProvider(
+            @Nonnull final String worldName,
+            @Nullable final String id
+    ) {
+        return null;
+    }
+
     @Override
     @Nonnull
     public Logger getLogger() {