public final class jdk.internal.ref.CleanerImpl implements java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: jdk.internal.ref.CleanerImpl
  super_class: java.lang.Object
{
  private static java.util.function.Function<java.lang.ref.Cleaner, jdk.internal.ref.CleanerImpl> cleanerImplAccess;
    descriptor: Ljava/util/function/Function;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Signature: Ljava/util/function/Function<Ljava/lang/ref/Cleaner;Ljdk/internal/ref/CleanerImpl;>;

  final jdk.internal.ref.PhantomCleanable<?> phantomCleanableList;
    descriptor: Ljdk/internal/ref/PhantomCleanable;
    flags: (0x0010) ACC_FINAL
    Signature: Ljdk/internal/ref/PhantomCleanable<*>;

  final java.lang.ref.ReferenceQueue<java.lang.Object> queue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 48
            aconst_null
            putstatic jdk.internal.ref.CleanerImpl.cleanerImplAccess:Ljava/util/function/Function;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void setCleanerImplAccess(java.util.function.Function<java.lang.ref.Cleaner, jdk.internal.ref.CleanerImpl>);
    descriptor: (Ljava/util/function/Function;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.util.function.Function access
         0: .line 64
            getstatic jdk.internal.ref.CleanerImpl.cleanerImplAccess:Ljava/util/function/Function;
            ifnonnull 3
         1: .line 65
            aload 0 /* access */
            putstatic jdk.internal.ref.CleanerImpl.cleanerImplAccess:Ljava/util/function/Function;
         2: .line 66
            goto 4
         3: .line 67
      StackMap locals:
      StackMap stack:
            new java.lang.InternalError
            dup
            ldc "cleanerImplAccess"
            invokespecial java.lang.InternalError.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 69
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.util.function.Function access
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0  access  Ljava/util/function/Function<Ljava/lang/ref/Cleaner;Ljdk/internal/ref/CleanerImpl;>;
    Signature: (Ljava/util/function/Function<Ljava/lang/ref/Cleaner;Ljdk/internal/ref/CleanerImpl;>;)V
    MethodParameters:
        Name  Flags
      access  

  static jdk.internal.ref.CleanerImpl getCleanerImpl(java.lang.ref.Cleaner);
    descriptor: (Ljava/lang/ref/Cleaner;)Ljdk/internal/ref/CleanerImpl;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.ref.Cleaner cleaner
         0: .line 77
            getstatic jdk.internal.ref.CleanerImpl.cleanerImplAccess:Ljava/util/function/Function;
            aload 0 /* cleaner */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast jdk.internal.ref.CleanerImpl
            areturn
        end local 0 // java.lang.ref.Cleaner cleaner
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0  cleaner  Ljava/lang/ref/Cleaner;
    MethodParameters:
         Name  Flags
      cleaner  

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // jdk.internal.ref.CleanerImpl this
         0: .line 83
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 84
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield jdk.internal.ref.CleanerImpl.queue:Ljava/lang/ref/ReferenceQueue;
         2: .line 85
            aload 0 /* this */
            new jdk.internal.ref.CleanerImpl$PhantomCleanableRef
            dup
            invokespecial jdk.internal.ref.CleanerImpl$PhantomCleanableRef.<init>:()V
            putfield jdk.internal.ref.CleanerImpl.phantomCleanableList:Ljdk/internal/ref/PhantomCleanable;
         3: .line 86
            return
        end local 0 // jdk.internal.ref.CleanerImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljdk/internal/ref/CleanerImpl;

  public void start(java.lang.ref.Cleaner, java.util.concurrent.ThreadFactory);
    descriptor: (Ljava/lang/ref/Cleaner;Ljava/util/concurrent/ThreadFactory;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // jdk.internal.ref.CleanerImpl this
        start local 1 // java.lang.ref.Cleaner cleaner
        start local 2 // java.util.concurrent.ThreadFactory threadFactory
         0: .line 96
            aload 1 /* cleaner */
            invokestatic jdk.internal.ref.CleanerImpl.getCleanerImpl:(Ljava/lang/ref/Cleaner;)Ljdk/internal/ref/CleanerImpl;
            aload 0 /* this */
            if_acmpeq 2
         1: .line 97
            new java.lang.AssertionError
            dup
            ldc "wrong cleaner"
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         2: .line 101
      StackMap locals:
      StackMap stack:
            new jdk.internal.ref.CleanerImpl$CleanerCleanable
            aload 1 /* cleaner */
            invokespecial jdk.internal.ref.CleanerImpl$CleanerCleanable.<init>:(Ljava/lang/ref/Cleaner;)V
         3: .line 103
            aload 2 /* threadFactory */
            ifnonnull 5
         4: .line 104
            invokestatic jdk.internal.ref.CleanerImpl$InnocuousThreadFactory.factory:()Ljava/util/concurrent/ThreadFactory;
            astore 2 /* threadFactory */
         5: .line 110
      StackMap locals:
      StackMap stack:
            aload 2 /* threadFactory */
            aload 0 /* this */
            invokeinterface java.util.concurrent.ThreadFactory.newThread:(Ljava/lang/Runnable;)Ljava/lang/Thread;
            astore 3 /* thread */
        start local 3 // java.lang.Thread thread
         6: .line 111
            aload 3 /* thread */
            iconst_1
            invokevirtual java.lang.Thread.setDaemon:(Z)V
         7: .line 112
            aload 3 /* thread */
            invokevirtual java.lang.Thread.start:()V
         8: .line 113
            return
        end local 3 // java.lang.Thread thread
        end local 2 // java.util.concurrent.ThreadFactory threadFactory
        end local 1 // java.lang.ref.Cleaner cleaner
        end local 0 // jdk.internal.ref.CleanerImpl this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Ljdk/internal/ref/CleanerImpl;
            0    9     1        cleaner  Ljava/lang/ref/Cleaner;
            0    9     2  threadFactory  Ljava/util/concurrent/ThreadFactory;
            6    9     3         thread  Ljava/lang/Thread;
    MethodParameters:
               Name  Flags
      cleaner        
      threadFactory  

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // jdk.internal.ref.CleanerImpl this
         0: .line 128
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            astore 1 /* t */
        start local 1 // java.lang.Thread t
         1: .line 129
            aload 1 /* t */
            instanceof jdk.internal.misc.InnocuousThread
            ifeq 3
         2: .line 130
            aload 1 /* t */
            checkcast jdk.internal.misc.InnocuousThread
            goto 4
         3: .line 131
      StackMap locals: java.lang.Thread
      StackMap stack:
            aconst_null
         4: .line 129
      StackMap locals:
      StackMap stack: jdk.internal.misc.InnocuousThread
            astore 2 /* mlThread */
        start local 2 // jdk.internal.misc.InnocuousThread mlThread
         5: .line 132
            goto 13
         6: .line 133
      StackMap locals: jdk.internal.misc.InnocuousThread
      StackMap stack:
            aload 2 /* mlThread */
            ifnull 8
         7: .line 135
            aload 2 /* mlThread */
            invokevirtual jdk.internal.misc.InnocuousThread.eraseThreadLocals:()V
         8: .line 140
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield jdk.internal.ref.CleanerImpl.queue:Ljava/lang/ref/ReferenceQueue;
            ldc 60000
            invokevirtual java.lang.ref.ReferenceQueue.remove:(J)Ljava/lang/ref/Reference;
            checkcast java.lang.ref.Cleaner$Cleanable
            astore 3 /* ref */
        start local 3 // java.lang.ref.Cleaner$Cleanable ref
         9: .line 141
            aload 3 /* ref */
            ifnull 13
        10: .line 142
            aload 3 /* ref */
            invokeinterface java.lang.ref.Cleaner$Cleanable.clean:()V
        end local 3 // java.lang.ref.Cleaner$Cleanable ref
        11: .line 144
            goto 13
      StackMap locals:
      StackMap stack: java.lang.Throwable
        12: pop
        13: .line 132
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield jdk.internal.ref.CleanerImpl.phantomCleanableList:Ljdk/internal/ref/PhantomCleanable;
            invokevirtual jdk.internal.ref.PhantomCleanable.isListEmpty:()Z
            ifeq 6
        14: .line 149
            return
        end local 2 // jdk.internal.misc.InnocuousThread mlThread
        end local 1 // java.lang.Thread t
        end local 0 // jdk.internal.ref.CleanerImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   15     0      this  Ljdk/internal/ref/CleanerImpl;
            1   15     1         t  Ljava/lang/Thread;
            5   15     2  mlThread  Ljdk/internal/misc/InnocuousThread;
            9   11     3       ref  Ljava/lang/ref/Cleaner$Cleanable;
      Exception table:
        from    to  target  type
           8    11      12  Class java.lang.Throwable
}
SourceFile: "CleanerImpl.java"
NestMembers:
  jdk.internal.ref.CleanerImpl$CleanerCleanable  jdk.internal.ref.CleanerImpl$InnocuousThreadFactory  jdk.internal.ref.CleanerImpl$InnocuousThreadFactory$1  jdk.internal.ref.CleanerImpl$PhantomCleanableRef
InnerClasses:
  public abstract Cleanable = java.lang.ref.Cleaner$Cleanable of java.lang.ref.Cleaner
  final CleanerCleanable = jdk.internal.ref.CleanerImpl$CleanerCleanable of jdk.internal.ref.CleanerImpl
  final InnocuousThreadFactory = jdk.internal.ref.CleanerImpl$InnocuousThreadFactory of jdk.internal.ref.CleanerImpl
  public final PhantomCleanableRef = jdk.internal.ref.CleanerImpl$PhantomCleanableRef of jdk.internal.ref.CleanerImpl