final class com.google.common.collect.TreeTraverser$PreOrderIterator extends com.google.common.collect.UnmodifiableIterator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.collect.TreeTraverser$PreOrderIterator
  super_class: com.google.common.collect.UnmodifiableIterator
{
  private final java.util.Deque<java.util.Iterator<T>> stack;
    descriptor: Ljava/util/Deque;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Deque<Ljava/util/Iterator<TT;>;>;

  final com.google.common.collect.TreeTraverser this$0;
    descriptor: Lcom/google/common/collect/TreeTraverser;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>();
    descriptor: (Lcom/google/common/collect/TreeTraverser;Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
        start local 2 // java.lang.Object root
         0: .line 143
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.TreeTraverser$PreOrderIterator.this$0:Lcom/google/common/collect/TreeTraverser;
            aload 0 /* this */
            invokespecial com.google.common.collect.UnmodifiableIterator.<init>:()V
         1: .line 144
            aload 0 /* this */
            new java.util.ArrayDeque
            dup
            invokespecial java.util.ArrayDeque.<init>:()V
            putfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
         2: .line 145
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
            aload 2 /* root */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            invokestatic com.google.common.collect.Iterators.singletonIterator:(Ljava/lang/Object;)Lcom/google/common/collect/UnmodifiableIterator;
            invokeinterface java.util.Deque.addLast:(Ljava/lang/Object;)V
         3: .line 146
            return
        end local 2 // java.lang.Object root
        end local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/google/common/collect/TreeTraverser$PreOrderIterator;
            0    4     2  root  TT;
    Signature: (TT;)V
    MethodParameters:
        Name  Flags
      this$0  final
      root    

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
         0: .line 150
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
            invokeinterface java.util.Deque.isEmpty:()Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/google/common/collect/TreeTraverser$PreOrderIterator;

  public T next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
         0: .line 155
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
            invokeinterface java.util.Deque.getLast:()Ljava/lang/Object;
            checkcast java.util.Iterator
            astore 1 /* itr */
        start local 1 // java.util.Iterator itr
         1: .line 156
            aload 1 /* itr */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* result */
        start local 2 // java.lang.Object result
         2: .line 157
            aload 1 /* itr */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         3: .line 158
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
            invokeinterface java.util.Deque.removeLast:()Ljava/lang/Object;
            pop
         4: .line 160
      StackMap locals: java.util.Iterator java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.this$0:Lcom/google/common/collect/TreeTraverser;
            aload 2 /* result */
            invokevirtual com.google.common.collect.TreeTraverser.children:(Ljava/lang/Object;)Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 3 /* childItr */
        start local 3 // java.util.Iterator childItr
         5: .line 161
            aload 3 /* childItr */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 7
         6: .line 162
            aload 0 /* this */
            getfield com.google.common.collect.TreeTraverser$PreOrderIterator.stack:Ljava/util/Deque;
            aload 3 /* childItr */
            invokeinterface java.util.Deque.addLast:(Ljava/lang/Object;)V
         7: .line 164
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* result */
            areturn
        end local 3 // java.util.Iterator childItr
        end local 2 // java.lang.Object result
        end local 1 // java.util.Iterator itr
        end local 0 // com.google.common.collect.TreeTraverser$PreOrderIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Lcom/google/common/collect/TreeTraverser$PreOrderIterator;
            1    8     1       itr  Ljava/util/Iterator<TT;>;
            2    8     2    result  TT;
            5    8     3  childItr  Ljava/util/Iterator<TT;>;
    Signature: ()TT;
}
Signature: Lcom/google/common/collect/UnmodifiableIterator<TT;>;
SourceFile: "TreeTraverser.java"
NestHost: com.google.common.collect.TreeTraverser
InnerClasses:
  private final PreOrderIterator = com.google.common.collect.TreeTraverser$PreOrderIterator of com.google.common.collect.TreeTraverser