class="kw">package com.hypixel.hytale.server.npc.asset.builder.validators;

class="kw">import com.hypixel.hytale.server.npc.asset.builder.FeatureEvaluatorHelper;
class="kw">import javax.annotation.Nullable;

class="kw">public class="kw">abstract class RequiredFeatureValidator class="kw">extends Validator {
   class="kw">public RequiredFeatureValidator() {
   }

   class="kw">public class="kw">abstract boolean validate(FeatureEvaluatorHelper var1);

   @Nullable
   class="kw">public class="kw">abstract String getErrorMessage(String var1);
}