public abstract class java.lang.ref.Reference<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.lang.ref.Reference
  super_class: java.lang.Object
{
  private T referent;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE
    Signature: TT;

  java.lang.ref.ReferenceQueue<? super T> queue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0000) 
    Signature: Ljava/lang/ref/ReferenceQueue<-TT;>;

  java.lang.ref.Reference next;
    descriptor: Ljava/lang/ref/Reference;
    flags: (0x0000) 

  private transient java.lang.ref.Reference<T> discovered;
    descriptor: Ljava/lang/ref/Reference;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/lang/ref/Reference<TT;>;

  private static java.lang.ref.Reference$Lock lock;
    descriptor: Ljava/lang/ref/Reference$Lock;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static java.lang.ref.Reference pending;
    descriptor: Ljava/lang/ref/Reference;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=2, args_size=0
         0: .line 104
            new java.lang.ref.Reference$Lock
            dup
            invokespecial java.lang.ref.Reference$Lock.<init>:()V
            putstatic java.lang.ref.Reference.lock:Ljava/lang/ref/Reference$Lock;
         1: .line 111
            aconst_null
            putstatic java.lang.ref.Reference.pending:Ljava/lang/ref/Reference;
         2: .line 152
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.getThreadGroup:()Ljava/lang/ThreadGroup;
            astore 0 /* tg */
        start local 0 // java.lang.ThreadGroup tg
         3: .line 153
            aload 0 /* tg */
            astore 1 /* tgn */
        start local 1 // java.lang.ThreadGroup tgn
         4: .line 154
            goto 6
         5: .line 155
      StackMap locals: java.lang.ThreadGroup java.lang.ThreadGroup
      StackMap stack:
            aload 1 /* tgn */
            astore 0 /* tg */
            aload 0 /* tg */
            invokevirtual java.lang.ThreadGroup.getParent:()Ljava/lang/ThreadGroup;
            astore 1 /* tgn */
         6: .line 154
      StackMap locals:
      StackMap stack:
            aload 1 /* tgn */
            ifnonnull 5
        end local 1 // java.lang.ThreadGroup tgn
         7: .line 156
            new java.lang.ref.Reference$ReferenceHandler
            dup
            aload 0 /* tg */
            ldc "Reference Handler"
            invokespecial java.lang.ref.Reference$ReferenceHandler.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/String;)V
            astore 1 /* handler */
        start local 1 // java.lang.Thread handler
         8: .line 160
            aload 1 /* handler */
            bipush 10
            invokevirtual java.lang.Thread.setPriority:(I)V
         9: .line 161
            aload 1 /* handler */
            iconst_1
            invokevirtual java.lang.Thread.setDaemon:(Z)V
        10: .line 162
            aload 1 /* handler */
            invokevirtual java.lang.Thread.start:()V
        end local 1 // java.lang.Thread handler
        end local 0 // java.lang.ThreadGroup tg
        11: .line 163
            return
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            3   11     0       tg  Ljava/lang/ThreadGroup;
            4    7     1      tgn  Ljava/lang/ThreadGroup;
            8   11     1  handler  Ljava/lang/Thread;

  public T get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.ref.Reference this
         0: .line 177
            aload 0 /* this */
            getfield java.lang.ref.Reference.referent:Ljava/lang/Object;
            areturn
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/lang/ref/Reference<TT;>;
    Signature: ()TT;

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.ref.Reference this
         0: .line 188
            aload 0 /* this */
            aconst_null
            putfield java.lang.ref.Reference.referent:Ljava/lang/Object;
         1: .line 189
            return
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/lang/ref/Reference<TT;>;

  public boolean isEnqueued();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.ref.Reference this
         0: .line 206
            aload 0 /* this */
            dup
            astore 1
            monitorenter
         1: .line 207
            aload 0 /* this */
            getfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
            getstatic java.lang.ref.ReferenceQueue.NULL:Ljava/lang/ref/ReferenceQueue;
            if_acmpeq 2
            aload 0 /* this */
            getfield java.lang.ref.Reference.next:Ljava/lang/ref/Reference;
            ifnull 2
            iconst_1
            goto 3
      StackMap locals: java.lang.ref.Reference
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: aload 1
            monitorexit
         4: ireturn
         5: .line 206
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/lang/ref/Reference<TT;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  public boolean enqueue();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.ref.Reference this
         0: .line 223
            aload 0 /* this */
            getfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
            aload 0 /* this */
            invokevirtual java.lang.ref.ReferenceQueue.enqueue:(Ljava/lang/ref/Reference;)Z
            ireturn
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/lang/ref/Reference<TT;>;

  void <init>();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.lang.ref.Reference this
        start local 1 // java.lang.Object referent
         0: .line 230
            aload 0 /* this */
            aload 1 /* referent */
            aconst_null
            invokespecial java.lang.ref.Reference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
         1: .line 231
            return
        end local 1 // java.lang.Object referent
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Ljava/lang/ref/Reference<TT;>;
            0    2     1  referent  TT;
    Signature: (TT;)V
    MethodParameters:
          Name  Flags
      referent  

  void <init>(T, java.lang.ref.ReferenceQueue<? super T>);
    descriptor: (Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.lang.ref.Reference this
        start local 1 // java.lang.Object referent
        start local 2 // java.lang.ref.ReferenceQueue queue
         0: .line 233
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 234
            aload 0 /* this */
            aload 1 /* referent */
            putfield java.lang.ref.Reference.referent:Ljava/lang/Object;
         2: .line 235
            aload 0 /* this */
            aload 2 /* queue */
            ifnonnull 3
            getstatic java.lang.ref.ReferenceQueue.NULL:Ljava/lang/ref/ReferenceQueue;
            goto 4
      StackMap locals: java.lang.ref.Reference java.lang.Object java.lang.ref.ReferenceQueue
      StackMap stack: java.lang.ref.Reference
         3: aload 2 /* queue */
      StackMap locals: java.lang.ref.Reference java.lang.Object java.lang.ref.ReferenceQueue
      StackMap stack: java.lang.ref.Reference java.lang.ref.ReferenceQueue
         4: putfield java.lang.ref.Reference.queue:Ljava/lang/ref/ReferenceQueue;
         5: .line 236
            return
        end local 2 // java.lang.ref.ReferenceQueue queue
        end local 1 // java.lang.Object referent
        end local 0 // java.lang.ref.Reference this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Ljava/lang/ref/Reference<TT;>;
            0    6     1  referent  TT;
            0    6     2     queue  Ljava/lang/ref/ReferenceQueue<-TT;>;
    Signature: (TT;Ljava/lang/ref/ReferenceQueue<-TT;>;)V
    MethodParameters:
          Name  Flags
      referent  
      queue     
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Reference.java"
NestMembers:
  java.lang.ref.Reference$Lock  java.lang.ref.Reference$ReferenceHandler
InnerClasses:
  private Lock = java.lang.ref.Reference$Lock of java.lang.ref.Reference
  private ReferenceHandler = java.lang.ref.Reference$ReferenceHandler of java.lang.ref.Reference