public class org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager
  super_class: java.lang.Object
{
  private final java.lang.ref.ReferenceQueue<org.springframework.util.ConcurrentReferenceHashMap$Entry<K, V>> queue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/ref/ReferenceQueue<Lorg/springframework/util/ConcurrentReferenceHashMap$Entry<TK;TV;>;>;

  final org.springframework.util.ConcurrentReferenceHashMap this$0;
    descriptor: Lorg/springframework/util/ConcurrentReferenceHashMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  protected void <init>(org.springframework.util.ConcurrentReferenceHashMap);
    descriptor: (Lorg/springframework/util/ConcurrentReferenceHashMap;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
         0: .line 986
            aload 0 /* this */
            aload 1
            putfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.this$0:Lorg/springframework/util/ConcurrentReferenceHashMap;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 988
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.queue:Ljava/lang/ref/ReferenceQueue;
         2: .line 986
            return
        end local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/springframework/util/ConcurrentReferenceHashMap$ReferenceManager;
    MethodParameters:
        Name  Flags
      this$0  final

  public org.springframework.util.ConcurrentReferenceHashMap$Reference<K, V> createReference(org.springframework.util.ConcurrentReferenceHashMap$Entry<K, V>, int, org.springframework.util.ConcurrentReferenceHashMap$Reference<K, V>);
    descriptor: (Lorg/springframework/util/ConcurrentReferenceHashMap$Entry;ILorg/springframework/util/ConcurrentReferenceHashMap$Reference;)Lorg/springframework/util/ConcurrentReferenceHashMap$Reference;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=4
        start local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
        start local 1 // org.springframework.util.ConcurrentReferenceHashMap$Entry entry
        start local 2 // int hash
        start local 3 // org.springframework.util.ConcurrentReferenceHashMap$Reference next
         0: .line 998
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.this$0:Lorg/springframework/util/ConcurrentReferenceHashMap;
            getfield org.springframework.util.ConcurrentReferenceHashMap.referenceType:Lorg/springframework/util/ConcurrentReferenceHashMap$ReferenceType;
            getstatic org.springframework.util.ConcurrentReferenceHashMap$ReferenceType.WEAK:Lorg/springframework/util/ConcurrentReferenceHashMap$ReferenceType;
            if_acmpne 2
         1: .line 999
            new org.springframework.util.ConcurrentReferenceHashMap$WeakEntryReference
            dup
            aload 1 /* entry */
            iload 2 /* hash */
            aload 3 /* next */
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.queue:Ljava/lang/ref/ReferenceQueue;
            invokespecial org.springframework.util.ConcurrentReferenceHashMap$WeakEntryReference.<init>:(Lorg/springframework/util/ConcurrentReferenceHashMap$Entry;ILorg/springframework/util/ConcurrentReferenceHashMap$Reference;Ljava/lang/ref/ReferenceQueue;)V
            areturn
         2: .line 1001
      StackMap locals:
      StackMap stack:
            new org.springframework.util.ConcurrentReferenceHashMap$SoftEntryReference
            dup
            aload 1 /* entry */
            iload 2 /* hash */
            aload 3 /* next */
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.queue:Ljava/lang/ref/ReferenceQueue;
            invokespecial org.springframework.util.ConcurrentReferenceHashMap$SoftEntryReference.<init>:(Lorg/springframework/util/ConcurrentReferenceHashMap$Entry;ILorg/springframework/util/ConcurrentReferenceHashMap$Reference;Ljava/lang/ref/ReferenceQueue;)V
            areturn
        end local 3 // org.springframework.util.ConcurrentReferenceHashMap$Reference next
        end local 2 // int hash
        end local 1 // org.springframework.util.ConcurrentReferenceHashMap$Entry entry
        end local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/springframework/util/ConcurrentReferenceHashMap$ReferenceManager;
            0    3     1  entry  Lorg/springframework/util/ConcurrentReferenceHashMap$Entry<TK;TV;>;
            0    3     2   hash  I
            0    3     3   next  Lorg/springframework/util/ConcurrentReferenceHashMap$Reference<TK;TV;>;
    Signature: (Lorg/springframework/util/ConcurrentReferenceHashMap$Entry<TK;TV;>;ILorg/springframework/util/ConcurrentReferenceHashMap$Reference<TK;TV;>;)Lorg/springframework/util/ConcurrentReferenceHashMap$Reference<TK;TV;>;
    RuntimeVisibleParameterAnnotations: 
      0:
      1:
      2:
        org.springframework.lang.Nullable()
    MethodParameters:
       Name  Flags
      entry  
      hash   
      next   

  public org.springframework.util.ConcurrentReferenceHashMap$Reference<K, V> pollForPurge();
    descriptor: ()Lorg/springframework/util/ConcurrentReferenceHashMap$Reference;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
         0: .line 1014
            aload 0 /* this */
            getfield org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            checkcast org.springframework.util.ConcurrentReferenceHashMap$Reference
            areturn
        end local 0 // org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/ConcurrentReferenceHashMap$ReferenceManager;
    Signature: ()Lorg/springframework/util/ConcurrentReferenceHashMap$Reference<TK;TV;>;
    RuntimeVisibleAnnotations: 
      org.springframework.lang.Nullable()
}
SourceFile: "ConcurrentReferenceHashMap.java"
NestHost: org.springframework.util.ConcurrentReferenceHashMap
InnerClasses:
  protected final Entry = org.springframework.util.ConcurrentReferenceHashMap$Entry of org.springframework.util.ConcurrentReferenceHashMap
  protected abstract Reference = org.springframework.util.ConcurrentReferenceHashMap$Reference of org.springframework.util.ConcurrentReferenceHashMap
  protected ReferenceManager = org.springframework.util.ConcurrentReferenceHashMap$ReferenceManager of org.springframework.util.ConcurrentReferenceHashMap
  public final ReferenceType = org.springframework.util.ConcurrentReferenceHashMap$ReferenceType of org.springframework.util.ConcurrentReferenceHashMap
  private final SoftEntryReference = org.springframework.util.ConcurrentReferenceHashMap$SoftEntryReference of org.springframework.util.ConcurrentReferenceHashMap
  private final WeakEntryReference = org.springframework.util.ConcurrentReferenceHashMap$WeakEntryReference of org.springframework.util.ConcurrentReferenceHashMap