use Forgelin

src/main/java/mods/betterfoliage/loader/BetterFoliageLoader.java

@@ -0,0 +1,38 @@
+package mods.betterfoliage.loader;
+
+import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin;
+
+import java.util.Map;
+
+@IFMLLoadingPlugin.TransformerExclusions({
+    "mods.betterfoliage.loader",
+    "mods.octarinecore.metaprog",
+    "kotlin"
+})
+@IFMLLoadingPlugin.MCVersion("1.10.2")
+@IFMLLoadingPlugin.SortingIndex(1400)
+public class BetterFoliageLoader implements IFMLLoadingPlugin {
+    @Override
+    public String[] getASMTransformerClass() {
+        return new String[] { "mods.betterfoliage.loader.BetterFoliageTransformer" };
+    }
+
+    @Override
+    public String getModContainerClass() {
+        return null;
+    }
+
+    @Override
+    public String getSetupClass() {
+        return null;
+    }
+
+    @Override
+    public void injectData(Map<String, Object> data) {
+    }
+
+    @Override
+    public String getAccessTransformerClass() {
+        return null;
+    }
+}

src/main/kotlin/mods/betterfoliage/loader/BetterFoliageCore.kt

@@ -7,16 +7,6 @@ import net.minecraftforge.fml.relauncher.FMLLaunchHandler
 import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
 import org.objectweb.asm.Opcodes.*
 
-@IFMLLoadingPlugin.TransformerExclusions(
-    "mods.betterfoliage.loader",
-    "mods.octarinecore.metaprog",
-    "kotlin",
-    "mods.octarinecore.kotlin"
-)
-@IFMLLoadingPlugin.MCVersion("1.10.2")
-@IFMLLoadingPlugin.SortingIndex(1400)
-class BetterFoliageLoader : ASMPlugin(BetterFoliageTransformer::class.java)
-
 class BetterFoliageTransformer : Transformer() {
 
     val isOptifinePresent = allAvailable(Refs.OptifineClassTransformer)