final class java.util.concurrent.ConcurrentSkipListMap$KeyIterator extends java.util.concurrent.ConcurrentSkipListMap<K, V>.Iter<K>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: java.util.concurrent.ConcurrentSkipListMap$KeyIterator
  super_class: java.util.concurrent.ConcurrentSkipListMap$Iter
{
  final java.util.concurrent.ConcurrentSkipListMap this$0;
    descriptor: Ljava/util/concurrent/ConcurrentSkipListMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.util.concurrent.ConcurrentSkipListMap);
    descriptor: (Ljava/util/concurrent/ConcurrentSkipListMap;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.concurrent.ConcurrentSkipListMap$KeyIterator this
         0: .line 2129
            aload 0 /* this */
            aload 1
            putfield java.util.concurrent.ConcurrentSkipListMap$KeyIterator.this$0:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 0 /* this */
            aload 1
            invokespecial java.util.concurrent.ConcurrentSkipListMap$Iter.<init>:(Ljava/util/concurrent/ConcurrentSkipListMap;)V
            return
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$KeyIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/concurrent/ConcurrentSkipListMap$KeyIterator;
    MethodParameters:
        Name  Flags
      this$0  final

  public K next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // java.util.concurrent.ConcurrentSkipListMap$KeyIterator this
         0: .line 2132
            aload 0 /* this */
            getfield java.util.concurrent.ConcurrentSkipListMap$KeyIterator.next:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            dup
            astore 1 /* n */
        start local 1 // java.util.concurrent.ConcurrentSkipListMap$Node n
         1: ifnonnull 3
         2: .line 2133
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         3: .line 2134
      StackMap locals: java.util.concurrent.ConcurrentSkipListMap$Node
      StackMap stack:
            aload 1 /* n */
            getfield java.util.concurrent.ConcurrentSkipListMap$Node.key:Ljava/lang/Object;
            astore 2 /* k */
        start local 2 // java.lang.Object k
         4: .line 2135
            aload 0 /* this */
            aload 1 /* n */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap$KeyIterator.advance:(Ljava/util/concurrent/ConcurrentSkipListMap$Node;)V
         5: .line 2136
            aload 2 /* k */
            areturn
        end local 2 // java.lang.Object k
        end local 1 // java.util.concurrent.ConcurrentSkipListMap$Node n
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$KeyIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/util/concurrent/ConcurrentSkipListMap$KeyIterator;
            1    6     1     n  Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;
            4    6     2     k  TK;
    Signature: ()TK;
}
Signature: Ljava/util/concurrent/ConcurrentSkipListMap<TK;TV;>.Iter<TK;>;
SourceFile: "ConcurrentSkipListMap.java"
NestHost: java.util.concurrent.ConcurrentSkipListMap
InnerClasses:
  abstract Iter = java.util.concurrent.ConcurrentSkipListMap$Iter of java.util.concurrent.ConcurrentSkipListMap
  final KeyIterator = java.util.concurrent.ConcurrentSkipListMap$KeyIterator of java.util.concurrent.ConcurrentSkipListMap
  final Node = java.util.concurrent.ConcurrentSkipListMap$Node of java.util.concurrent.ConcurrentSkipListMap