abstract class java.util.concurrent.ConcurrentSkipListMap$Iter<T> implements java.util.Iterator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: java.util.concurrent.ConcurrentSkipListMap$Iter
  super_class: java.lang.Object
{
  java.util.concurrent.ConcurrentSkipListMap$Node<K, V> lastReturned;
    descriptor: Ljava/util/concurrent/ConcurrentSkipListMap$Node;
    flags: (0x0000) 
    Signature: Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;

  java.util.concurrent.ConcurrentSkipListMap$Node<K, V> next;
    descriptor: Ljava/util/concurrent/ConcurrentSkipListMap$Node;
    flags: (0x0000) 
    Signature: Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;

  V nextValue;
    descriptor: Ljava/lang/Object;
    flags: (0x0000) 
    Signature: TV;

  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$Iter this
         0: .line 2088
            aload 0 /* this */
            aload 1
            putfield java.util.concurrent.ConcurrentSkipListMap$Iter.this$0:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2089
            aload 0 /* this */
            aload 1
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.baseHead:()Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            invokevirtual java.util.concurrent.ConcurrentSkipListMap$Iter.advance:(Ljava/util/concurrent/ConcurrentSkipListMap$Node;)V
         2: .line 2090
            return
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/concurrent/ConcurrentSkipListMap<TK;TV;>.Iter<TT;>;
    MethodParameters:
        Name  Flags
      this$0  final

  public final boolean hasNext();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
         0: .line 2093
            aload 0 /* this */
            getfield java.util.concurrent.ConcurrentSkipListMap$Iter.next:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/util/concurrent/ConcurrentSkipListMap<TK;TV;>.Iter<TT;>;

  final void advance(java.util.concurrent.ConcurrentSkipListMap$Node<K, V>);
    descriptor: (Ljava/util/concurrent/ConcurrentSkipListMap$Node;)V
    flags: (0x0010) ACC_FINAL
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
        start local 1 // java.util.concurrent.ConcurrentSkipListMap$Node b
         0: .line 2098
            aconst_null
            astore 2 /* n */
        start local 2 // java.util.concurrent.ConcurrentSkipListMap$Node n
         1: .line 2099
            aconst_null
            astore 3 /* v */
        start local 3 // java.lang.Object v
         2: .line 2100
            aload 0 /* this */
            aload 1 /* b */
            dup_x1
            putfield java.util.concurrent.ConcurrentSkipListMap$Iter.lastReturned:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            ifnull 6
         3: .line 2101
            goto 5
         4: .line 2102
      StackMap locals: java.util.concurrent.ConcurrentSkipListMap$Node java.lang.Object
      StackMap stack:
            aload 2 /* n */
            astore 1 /* b */
         5: .line 2101
      StackMap locals:
      StackMap stack:
            aload 1 /* b */
            getfield java.util.concurrent.ConcurrentSkipListMap$Node.next:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            dup
            astore 2 /* n */
            ifnull 6
            aload 2 /* n */
            getfield java.util.concurrent.ConcurrentSkipListMap$Node.val:Ljava/lang/Object;
            dup
            astore 3 /* v */
            ifnull 4
         6: .line 2104
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 3 /* v */
            putfield java.util.concurrent.ConcurrentSkipListMap$Iter.nextValue:Ljava/lang/Object;
         7: .line 2105
            aload 0 /* this */
            aload 2 /* n */
            putfield java.util.concurrent.ConcurrentSkipListMap$Iter.next:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
         8: .line 2106
            return
        end local 3 // java.lang.Object v
        end local 2 // java.util.concurrent.ConcurrentSkipListMap$Node n
        end local 1 // java.util.concurrent.ConcurrentSkipListMap$Node b
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Ljava/util/concurrent/ConcurrentSkipListMap<TK;TV;>.Iter<TT;>;
            0    9     1     b  Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;
            1    9     2     n  Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;
            2    9     3     v  TV;
    Signature: (Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;)V
    MethodParameters:
      Name  Flags
      b     

  public final void remove();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
         0: .line 2110
            aload 0 /* this */
            getfield java.util.concurrent.ConcurrentSkipListMap$Iter.lastReturned:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
            dup
            astore 1 /* n */
        start local 1 // java.util.concurrent.ConcurrentSkipListMap$Node n
         1: ifnull 3
            aload 1 /* n */
            getfield java.util.concurrent.ConcurrentSkipListMap$Node.key:Ljava/lang/Object;
            dup
            astore 2 /* k */
        start local 2 // java.lang.Object k
         2: ifnonnull 4
        end local 2 // java.lang.Object k
         3: .line 2111
      StackMap locals: java.util.concurrent.ConcurrentSkipListMap$Node
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            invokespecial java.lang.IllegalStateException.<init>:()V
            athrow
        start local 2 // java.lang.Object k
         4: .line 2114
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.util.concurrent.ConcurrentSkipListMap$Iter.this$0:Ljava/util/concurrent/ConcurrentSkipListMap;
            aload 2 /* k */
            invokevirtual java.util.concurrent.ConcurrentSkipListMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 2115
            aload 0 /* this */
            aconst_null
            putfield java.util.concurrent.ConcurrentSkipListMap$Iter.lastReturned:Ljava/util/concurrent/ConcurrentSkipListMap$Node;
         6: .line 2116
            return
        end local 2 // java.lang.Object k
        end local 1 // java.util.concurrent.ConcurrentSkipListMap$Node n
        end local 0 // java.util.concurrent.ConcurrentSkipListMap$Iter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/concurrent/ConcurrentSkipListMap<TK;TV;>.Iter<TT;>;
            1    7     1     n  Ljava/util/concurrent/ConcurrentSkipListMap$Node<TK;TV;>;
            2    3     2     k  TK;
            4    7     2     k  TK;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TT;>;
SourceFile: "ConcurrentSkipListMap.java"
NestHost: java.util.concurrent.ConcurrentSkipListMap
InnerClasses:
  abstract Iter = java.util.concurrent.ConcurrentSkipListMap$Iter of java.util.concurrent.ConcurrentSkipListMap
  final Node = java.util.concurrent.ConcurrentSkipListMap$Node of java.util.concurrent.ConcurrentSkipListMap