public abstract class jdk.internal.ref.PhantomCleanable<T> extends java.lang.ref.PhantomReference<T> implements java.lang.ref.Cleaner$Cleanable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: jdk.internal.ref.PhantomCleanable
  super_class: java.lang.ref.PhantomReference
{
  jdk.internal.ref.PhantomCleanable<?> prev;
    descriptor: Ljdk/internal/ref/PhantomCleanable;
    flags: (0x0000) 
    Signature: Ljdk/internal/ref/PhantomCleanable<*>;

  jdk.internal.ref.PhantomCleanable<?> next;
    descriptor: Ljdk/internal/ref/PhantomCleanable;
    flags: (0x0000) 
    Signature: Ljdk/internal/ref/PhantomCleanable<*>;

  private final jdk.internal.ref.PhantomCleanable<?> list;
    descriptor: Ljdk/internal/ref/PhantomCleanable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljdk/internal/ref/PhantomCleanable<*>;

  public void <init>(T, java.lang.ref.Cleaner);
    descriptor: (Ljava/lang/Object;Ljava/lang/ref/Cleaner;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // jdk.internal.ref.PhantomCleanable this
        start local 1 // java.lang.Object referent
        start local 2 // java.lang.ref.Cleaner cleaner
         0: .line 66
            aload 0 /* this */
            aload 1 /* referent */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2 /* cleaner */
            invokestatic jdk.internal.ref.CleanerImpl.getCleanerImpl:(Ljava/lang/ref/Cleaner;)Ljdk/internal/ref/CleanerImpl;
            getfield jdk.internal.ref.CleanerImpl.queue:Ljava/lang/ref/ReferenceQueue;
            invokespecial java.lang.ref.PhantomReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
         1: .line 49
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         2: .line 67
            aload 0 /* this */
            aload 2 /* cleaner */
            invokestatic jdk.internal.ref.CleanerImpl.getCleanerImpl:(Ljava/lang/ref/Cleaner;)Ljdk/internal/ref/CleanerImpl;
            getfield jdk.internal.ref.CleanerImpl.phantomCleanableList:Ljdk/internal/ref/PhantomCleanable;
            putfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
         3: .line 68
            aload 0 /* this */
            invokevirtual jdk.internal.ref.PhantomCleanable.insert:()V
         4: .line 71
            aload 1 /* referent */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
         5: .line 72
            aload 2 /* cleaner */
            invokestatic java.lang.ref.Reference.reachabilityFence:(Ljava/lang/Object;)V
         6: .line 73
            return
        end local 2 // java.lang.ref.Cleaner cleaner
        end local 1 // java.lang.Object referent
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Ljdk/internal/ref/PhantomCleanable<TT;>;
            0    7     1  referent  TT;
            0    7     2   cleaner  Ljava/lang/ref/Cleaner;
    Signature: (TT;Ljava/lang/ref/Cleaner;)V
    MethodParameters:
          Name  Flags
      referent  
      cleaner   

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 79
            aload 0 /* this */
            aconst_null
            aconst_null
            invokespecial java.lang.ref.PhantomReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
         1: .line 49
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         2: .line 80
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
         3: .line 81
            return
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;

  private void insert();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 87
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            dup
            astore 1
            monitorenter
         1: .line 88
            aload 0 /* this */
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
         2: .line 89
            aload 0 /* this */
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         3: .line 90
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
         4: .line 91
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         5: .line 87
            aload 1
            monitorexit
         6: goto 9
      StackMap locals: jdk.internal.ref.PhantomCleanable jdk.internal.ref.PhantomCleanable
      StackMap stack: java.lang.Throwable
         7: aload 1
            monitorexit
         8: athrow
         9: .line 93
      StackMap locals:
      StackMap stack:
            return
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;
      Exception table:
        from    to  target  type
           1     6       7  any
           7     8       7  any

  private boolean remove();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 102
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            dup
            astore 1
            monitorenter
         1: .line 103
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            if_acmpeq 8
         2: .line 104
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
         3: .line 105
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         4: .line 106
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.prev:Ljdk/internal/ref/PhantomCleanable;
         5: .line 107
            aload 0 /* this */
            aload 0 /* this */
            putfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
         6: .line 108
            aload 1
            monitorexit
         7: iconst_1
            ireturn
         8: .line 110
      StackMap locals: jdk.internal.ref.PhantomCleanable
      StackMap stack:
            aload 1
            monitorexit
         9: iconst_0
            ireturn
        10: .line 102
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
        11: athrow
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;
      Exception table:
        from    to  target  type
           1     7      10  any
           8     9      10  any
          10    11      10  any

  boolean isListEmpty();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 120
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            dup
            astore 1
            monitorenter
         1: .line 121
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            aload 0 /* this */
            getfield jdk.internal.ref.PhantomCleanable.list:Ljdk/internal/ref/PhantomCleanable;
            getfield jdk.internal.ref.PhantomCleanable.next:Ljdk/internal/ref/PhantomCleanable;
            if_acmpne 2
            iconst_1
            goto 3
      StackMap locals: jdk.internal.ref.PhantomCleanable
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: aload 1
            monitorexit
         4: ireturn
         5: .line 120
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  public final void clean();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 131
            aload 0 /* this */
            invokevirtual jdk.internal.ref.PhantomCleanable.remove:()Z
            ifeq 3
         1: .line 132
            aload 0 /* this */
            invokespecial java.lang.ref.PhantomReference.clear:()V
         2: .line 133
            aload 0 /* this */
            invokevirtual jdk.internal.ref.PhantomCleanable.performCleanup:()V
         3: .line 135
      StackMap locals:
      StackMap stack:
            return
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 143
            aload 0 /* this */
            invokevirtual jdk.internal.ref.PhantomCleanable.remove:()Z
            ifeq 2
         1: .line 144
            aload 0 /* this */
            invokespecial java.lang.ref.PhantomReference.clear:()V
         2: .line 146
      StackMap locals:
      StackMap stack:
            return
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;

  protected abstract void performCleanup();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  public final boolean isEnqueued();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 165
            new java.lang.UnsupportedOperationException
            dup
            ldc "isEnqueued"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;

  public final boolean enqueue();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // jdk.internal.ref.PhantomCleanable this
         0: .line 177
            new java.lang.UnsupportedOperationException
            dup
            ldc "enqueue"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // jdk.internal.ref.PhantomCleanable this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/internal/ref/PhantomCleanable<TT;>;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/ref/PhantomReference<TT;>;Ljava/lang/ref/Cleaner$Cleanable;
SourceFile: "PhantomCleanable.java"
InnerClasses:
  public abstract Cleanable = java.lang.ref.Cleaner$Cleanable of java.lang.ref.Cleaner