class org.bson.util.AbstractCopyOnWriteMap$KeySet extends org.bson.util.AbstractCopyOnWriteMap$CollectionView<K> implements java.util.Set<K>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bson.util.AbstractCopyOnWriteMap$KeySet
  super_class: org.bson.util.AbstractCopyOnWriteMap$CollectionView
{
  final org.bson.util.AbstractCopyOnWriteMap this$0;
    descriptor: Lorg/bson/util/AbstractCopyOnWriteMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(org.bson.util.AbstractCopyOnWriteMap);
    descriptor: (Lorg/bson/util/AbstractCopyOnWriteMap;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
         0: .line 274
            aload 0 /* this */
            aload 1
            putfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 0 /* this */
            invokespecial org.bson.util.AbstractCopyOnWriteMap$CollectionView.<init>:()V
            return
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
    MethodParameters:
        Name  Flags
      this$0  final

  java.util.Collection<K> getDelegate();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
         0: .line 278
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.delegate:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            areturn
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
    Signature: ()Ljava/util/Collection<TK;>;

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
         0: .line 286
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 288
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.copy:()Ljava/util/Map;
            astore 1 /* map */
        start local 1 // java.util.Map map
         2: .line 289
            aload 1 /* map */
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.clear:()V
         3: .line 290
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 1 /* map */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.set:(Ljava/util/Map;)V
        end local 1 // java.util.Map map
         4: .line 291
            goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         5: astore 2
         6: .line 292
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         7: .line 293
            aload 2
            athrow
         8: .line 292
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         9: .line 294
            return
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
            2    4     1   map  TM;
      Exception table:
        from    to  target  type
           1     5       5  any

  public boolean remove(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 297
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 1 /* o */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
            0    2     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     final

  public boolean removeAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=6, args_size=2
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
        start local 1 // java.util.Collection c
         0: .line 301
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 303
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.copy:()Ljava/util/Map;
            astore 2 /* map */
        start local 2 // java.util.Map map
         2: .line 305
            aload 2 /* map */
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            aload 1 /* c */
            invokeinterface java.util.Set.removeAll:(Ljava/util/Collection;)Z
            istore 4
         3: .line 307
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 2 /* map */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.set:(Ljava/util/Map;)V
         4: .line 310
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         5: .line 305
            iload 4
            ireturn
         6: .line 306
      StackMap locals: org.bson.util.AbstractCopyOnWriteMap$KeySet java.util.Collection java.util.Map
      StackMap stack: java.lang.Throwable
            astore 3
         7: .line 307
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 2 /* map */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.set:(Ljava/util/Map;)V
         8: .line 308
            aload 3
            athrow
        end local 2 // java.util.Map map
         9: .line 309
      StackMap locals: org.bson.util.AbstractCopyOnWriteMap$KeySet java.util.Collection
      StackMap stack: java.lang.Throwable
            astore 5
        10: .line 310
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        11: .line 311
            aload 5
            athrow
        end local 1 // java.util.Collection c
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
            0   12     1     c  Ljava/util/Collection<*>;
            2    9     2   map  TM;
      Exception table:
        from    to  target  type
           2     3       6  any
           1     4       9  any
           6     9       9  any
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
      Name  Flags
      c     final

  public boolean retainAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=6, args_size=2
        start local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
        start local 1 // java.util.Collection c
         0: .line 315
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.lock:()V
         1: .line 317
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.copy:()Ljava/util/Map;
            astore 2 /* map */
        start local 2 // java.util.Map map
         2: .line 319
            aload 2 /* map */
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            aload 1 /* c */
            invokeinterface java.util.Set.retainAll:(Ljava/util/Collection;)Z
            istore 4
         3: .line 321
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 2 /* map */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.set:(Ljava/util/Map;)V
         4: .line 324
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
         5: .line 319
            iload 4
            ireturn
         6: .line 320
      StackMap locals: org.bson.util.AbstractCopyOnWriteMap$KeySet java.util.Collection java.util.Map
      StackMap stack: java.lang.Throwable
            astore 3
         7: .line 321
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            aload 2 /* map */
            invokevirtual org.bson.util.AbstractCopyOnWriteMap.set:(Ljava/util/Map;)V
         8: .line 322
            aload 3
            athrow
        end local 2 // java.util.Map map
         9: .line 323
      StackMap locals: org.bson.util.AbstractCopyOnWriteMap$KeySet java.util.Collection
      StackMap stack: java.lang.Throwable
            astore 5
        10: .line 324
            aload 0 /* this */
            getfield org.bson.util.AbstractCopyOnWriteMap$KeySet.this$0:Lorg/bson/util/AbstractCopyOnWriteMap;
            getfield org.bson.util.AbstractCopyOnWriteMap.lock:Ljava/util/concurrent/locks/Lock;
            invokeinterface java.util.concurrent.locks.Lock.unlock:()V
        11: .line 325
            aload 5
            athrow
        end local 1 // java.util.Collection c
        end local 0 // org.bson.util.AbstractCopyOnWriteMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Lorg/bson/util/AbstractCopyOnWriteMap$KeySet;
            0   12     1     c  Ljava/util/Collection<*>;
            2    9     2   map  TM;
      Exception table:
        from    to  target  type
           2     3       6  any
           1     4       9  any
           6     9       9  any
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
      Name  Flags
      c     final
}
Signature: Lorg/bson/util/AbstractCopyOnWriteMap$CollectionView<TK;>;Ljava/util/Set<TK;>;
SourceFile: "AbstractCopyOnWriteMap.java"
NestHost: org.bson.util.AbstractCopyOnWriteMap
InnerClasses:
  protected abstract CollectionView = org.bson.util.AbstractCopyOnWriteMap$CollectionView of org.bson.util.AbstractCopyOnWriteMap
  private KeySet = org.bson.util.AbstractCopyOnWriteMap$KeySet of org.bson.util.AbstractCopyOnWriteMap