--- a/net/minecraft/tileentity/BannerPattern.java
+++ b/net/minecraft/tileentity/BannerPattern.java
@@ -12,7 +12,7 @@
 import net.minecraftforge.api.distmarker.OnlyIn;
 import org.apache.commons.lang3.tuple.Pair;
 
-public enum BannerPattern {
+public enum BannerPattern implements net.minecraftforge.common.IExtensibleEnum {
    BASE("base", "b", false),
    SQUARE_BOTTOM_LEFT("square_bottom_left", "bl"),
    SQUARE_BOTTOM_RIGHT("square_bottom_right", "br"),
@@ -102,6 +102,14 @@
       return null;
    }
 
+   public static BannerPattern create(String enumName, String fileNameIn, String hashNameIn) {
+      throw new IllegalStateException("Enum not extended");
+   }
+
+   public static BannerPattern create(String enumName, String fileNameIn, String hashNameIn, boolean p_i231861_5_) {
+      throw new IllegalStateException("Enum not extended");
+   }
+
    public static class Builder {
       private final List<Pair<BannerPattern, DyeColor>> field_222478_a = Lists.newArrayList();