final class org.jruby.util.collections.ConcurrentWeakHashMap$KeySet extends java.util.AbstractSet<K>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.jruby.util.collections.ConcurrentWeakHashMap$KeySet
  super_class: java.util.AbstractSet
{
  final org.jruby.util.collections.ConcurrentWeakHashMap this$0;
    descriptor: Lorg/jruby/util/collections/ConcurrentWeakHashMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.jruby.util.collections.ConcurrentWeakHashMap);
    descriptor: (Lorg/jruby/util/collections/ConcurrentWeakHashMap;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
         0: .line 1338
            aload 0 /* this */
            aload 1
            putfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            aload 0 /* this */
            invokespecial java.util.AbstractSet.<init>:()V
            return
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;
    MethodParameters:
        Name  Flags
      this$0  final

  public java.util.Iterator<K> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
         0: .line 1340
            new org.jruby.util.collections.ConcurrentWeakHashMap$KeyIterator
            dup
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            invokespecial org.jruby.util.collections.ConcurrentWeakHashMap$KeyIterator.<init>:(Lorg/jruby/util/collections/ConcurrentWeakHashMap;)V
            areturn
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;
    Signature: ()Ljava/util/Iterator<TK;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
         0: .line 1344
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            invokevirtual org.jruby.util.collections.ConcurrentWeakHashMap.size:()I
            ireturn
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
         0: .line 1348
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            invokevirtual org.jruby.util.collections.ConcurrentWeakHashMap.isEmpty:()Z
            ireturn
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;

  public boolean contains(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 1352
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            aload 1 /* o */
            invokevirtual org.jruby.util.collections.ConcurrentWeakHashMap.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;
            0    1     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  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.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 1356
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            aload 1 /* o */
            invokevirtual org.jruby.util.collections.ConcurrentWeakHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;
            0    2     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
         0: .line 1360
            aload 0 /* this */
            getfield org.jruby.util.collections.ConcurrentWeakHashMap$KeySet.this$0:Lorg/jruby/util/collections/ConcurrentWeakHashMap;
            invokevirtual org.jruby.util.collections.ConcurrentWeakHashMap.clear:()V
         1: .line 1361
            return
        end local 0 // org.jruby.util.collections.ConcurrentWeakHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/jruby/util/collections/ConcurrentWeakHashMap$KeySet;
}
Signature: Ljava/util/AbstractSet<TK;>;
SourceFile: "ConcurrentWeakHashMap.java"
NestHost: org.jruby.util.collections.ConcurrentWeakHashMap
InnerClasses:
  final KeyIterator = org.jruby.util.collections.ConcurrentWeakHashMap$KeyIterator of org.jruby.util.collections.ConcurrentWeakHashMap
  final KeySet = org.jruby.util.collections.ConcurrentWeakHashMap$KeySet of org.jruby.util.collections.ConcurrentWeakHashMap