package com.minelittlepony.unicopia.mixin; import org.spongepowered.asm.mixin.Mixin; import org.spongepowered.asm.mixin.gen.Invoker; import net.minecraft.advancement.criterion.Criteria; import net.minecraft.advancement.criterion.Criterion; @Mixin(Criteria.class) public interface MixinCriteria { @Invoker("register") static > T register(T object) { return null; } }