package com.github.sevntu.checkstyle.checks.design;
   
   import java.util.*;
   
   public class InputPublicReferenceToPrivateTypeCheck14 {
       private class PrivateInner{
           private String name="Private inner";
       }   
       public class PublicInner{
          private String name="Public inner";
      }   
      public PublicInner returnPublic(){  //OK
          return new PublicInner();
      }
      public PrivateInner[] returnPrivate1(){ //WARNING
          return new PrivateInner[]{new PrivateInner()};
      } 
      private interface PrivateInner1{
          public String name = "Private inner";
      }   
      public interface PublicInner1{
          public String name="Public inner";
      }   
      
      public Set<? super PrivateInner1> returnPrivate(){  //WARNING
          return new HashSet<PrivateInner1>();
      }
      protected Set<? extends PublicInner1> returnPrivate3(){ //OK
          return new HashSet<PublicInner1>();
      }
      public Set<PrivateInner1> returnPrivate5(){ //WARNING
          return new TreeSet<PrivateInner1>();
      }
      private enum First {One, Two}
      First a = First.One;    //WARNING
      
      protected First returnPrivate2() {  //WARNING
          return a;
      }
  }