package com.github.sevntu.checkstyle.checks.design;
   
   import java.util.*;
   public class InputPublicReferenceToPrivateTypeCheck10 {
       private class PrivateInner{
           private String name="Private inner";
       }   
       public class PublicInner{
           private String name="Public inner";
      }   
      public PublicInner returnPublic(){  //OK
          return new PublicInner();
      }
      public Set<TreeSet<TreeMap<String, PrivateInner>>> returnPrivate1(){    //WARNING
          return new HashSet<TreeSet<TreeMap<String, PrivateInner>>>();
      }
      private Set<PrivateInner> returnPrivate2(){ //OK
          return new HashSet<PrivateInner>();
      }
      protected Set<TreeSet<HashMap<String, PrivateInner>>> returnPrivate3(){ //WARNING
          return new HashSet<TreeSet<HashMap<String, PrivateInner>>>();
      }
      Set<TreeSet<HashMap<String, PrivateInner[][]>>> returnPrivate4(){   //WARNING
          return new HashSet<TreeSet<HashMap<String, PrivateInner[][]>>>();
      }
  }