first 1.11.1 attempt

src/main/java/com/sosnitzka/taiga/traits/TraitResonance.java

@@ -2,9 +2,13 @@ package com.sosnitzka.taiga.traits;
 
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.NonNullList;
 import net.minecraft.util.text.TextFormatting;
+import slimeknights.mantle.util.RecipeMatch;
 import slimeknights.tconstruct.library.traits.AbstractTrait;
 
+import java.util.Optional;
+
 public class TraitResonance extends AbstractTrait {
 
 
@@ -20,6 +24,11 @@ public class TraitResonance extends AbstractTrait {
             target.knockBack(target, random.nextFloat() * random.nextFloat() * 10, player.posX - target.posX, player.posZ - target.posZ);
         }
     }
+
+    @Override
+    public Optional<RecipeMatch.Match> matches(NonNullList<ItemStack> stacks) {
+        return null;
+    }
 }