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

  void <init>(java.util.HashMap);
    descriptor: (Ljava/util/HashMap;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.HashMap$KeySet this
         0: .line 982
            aload 0 /* this */
            aload 1
            putfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 0 /* this */
            invokespecial java.util.AbstractSet.<init>:()V
            return
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;
    MethodParameters:
        Name  Flags
      this$0  final

  public final int size();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeySet this
         0: .line 983
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.size:I
            ireturn
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;

  public final void clear();
    descriptor: ()V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeySet this
         0: .line 984
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.clear:()V
            return
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;

  public final java.util.Iterator<K> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeySet this
         0: .line 985
            new java.util.HashMap$KeyIterator
            dup
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            invokespecial java.util.HashMap$KeyIterator.<init>:(Ljava/util/HashMap;)V
            areturn
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;
    Signature: ()Ljava/util/Iterator<TK;>;

  public final boolean contains(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.HashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 986
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 1 /* o */
            invokevirtual java.util.HashMap.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;
            0    1     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public final boolean remove(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // java.util.HashMap$KeySet this
        start local 1 // java.lang.Object key
         0: .line 988
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 1 /* key */
            invokestatic java.util.HashMap.hash:(Ljava/lang/Object;)I
            aload 1 /* key */
            aconst_null
            iconst_0
            iconst_1
            invokevirtual java.util.HashMap.removeNode:(ILjava/lang/Object;Ljava/lang/Object;ZZ)Ljava/util/HashMap$Node;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/util/HashMap$KeySet;
            0    2     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   

  public final java.util.Spliterator<K> spliterator();
    descriptor: ()Ljava/util/Spliterator;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=7, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeySet this
         0: .line 991
            new java.util.HashMap$KeySpliterator
            dup
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            iconst_0
            iconst_m1
            iconst_0
            iconst_0
            invokespecial java.util.HashMap$KeySpliterator.<init>:(Ljava/util/HashMap;IIII)V
            areturn
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;
    Signature: ()Ljava/util/Spliterator<TK;>;

  public java.lang.Object[] toArray();
    descriptor: ()[Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeySet this
         0: .line 995
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.size:I
            anewarray java.lang.Object
            invokevirtual java.util.HashMap.keysToArray:([Ljava/lang/Object;)[Ljava/lang/Object;
            areturn
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;

  public <T> T[] toArray();
    descriptor: ([Ljava/lang/Object;)[Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.HashMap$KeySet this
        start local 1 // java.lang.Object[] a
         0: .line 999
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            aload 1 /* a */
            invokevirtual java.util.HashMap.prepareArray:([Ljava/lang/Object;)[Ljava/lang/Object;
            invokevirtual java.util.HashMap.keysToArray:([Ljava/lang/Object;)[Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object[] a
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeySet;
            0    1     1     a  [Ljava/lang/Object;
    Signature: <T:Ljava/lang/Object;>([TT;)[TT;
    MethodParameters:
      Name  Flags
      a     

  public final void forEach(java.util.function.Consumer<? super K>);
    descriptor: (Ljava/util/function/Consumer;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=8, args_size=2
        start local 0 // java.util.HashMap$KeySet this
        start local 1 // java.util.function.Consumer action
         0: .line 1004
            aload 1 /* action */
            ifnonnull 2
         1: .line 1005
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 1006
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.size:I
            ifle 15
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.table:[Ljava/util/HashMap$Node;
            dup
            astore 2 /* tab */
        start local 2 // java.util.HashMap$Node[] tab
         3: ifnull 15
         4: .line 1007
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.modCount:I
            istore 3 /* mc */
        start local 3 // int mc
         5: .line 1008
            aload 2 /* tab */
            dup
            astore 7
            arraylength
            istore 6
            iconst_0
            istore 5
            goto 12
      StackMap locals: java.util.HashMap$KeySet java.util.function.Consumer java.util.HashMap$Node[] int top int int java.util.HashMap$Node[]
      StackMap stack:
         6: aload 7
            iload 5
            aaload
            astore 4 /* e */
        start local 4 // java.util.HashMap$Node e
         7: .line 1009
            goto 10
         8: .line 1010
      StackMap locals: java.util.HashMap$KeySet java.util.function.Consumer java.util.HashMap$Node[] int java.util.HashMap$Node int int java.util.HashMap$Node[]
      StackMap stack:
            aload 1 /* action */
            aload 4 /* e */
            getfield java.util.HashMap$Node.key:Ljava/lang/Object;
            invokeinterface java.util.function.Consumer.accept:(Ljava/lang/Object;)V
         9: .line 1009
            aload 4 /* e */
            getfield java.util.HashMap$Node.next:Ljava/util/HashMap$Node;
            astore 4 /* e */
      StackMap locals:
      StackMap stack:
        10: aload 4 /* e */
            ifnonnull 8
        end local 4 // java.util.HashMap$Node e
        11: .line 1008
            iinc 5 1
      StackMap locals: java.util.HashMap$KeySet java.util.function.Consumer java.util.HashMap$Node[] int top int int java.util.HashMap$Node[]
      StackMap stack:
        12: iload 5
            iload 6
            if_icmplt 6
        13: .line 1012
            aload 0 /* this */
            getfield java.util.HashMap$KeySet.this$0:Ljava/util/HashMap;
            getfield java.util.HashMap.modCount:I
            iload 3 /* mc */
            if_icmpeq 15
        14: .line 1013
            new java.util.ConcurrentModificationException
            dup
            invokespecial java.util.ConcurrentModificationException.<init>:()V
            athrow
        end local 3 // int mc
        end local 2 // java.util.HashMap$Node[] tab
        15: .line 1015
      StackMap locals: java.util.HashMap$KeySet java.util.function.Consumer
      StackMap stack:
            return
        end local 1 // java.util.function.Consumer action
        end local 0 // java.util.HashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   16     0    this  Ljava/util/HashMap$KeySet;
            0   16     1  action  Ljava/util/function/Consumer<-TK;>;
            3   15     2     tab  [Ljava/util/HashMap$Node;
            5   15     3      mc  I
            7   11     4       e  Ljava/util/HashMap$Node<TK;TV;>;
    Signature: (Ljava/util/function/Consumer<-TK;>;)V
    MethodParameters:
        Name  Flags
      action  
}
Signature: Ljava/util/AbstractSet<TK;>;
SourceFile: "HashMap.java"
NestHost: java.util.HashMap
InnerClasses:
  final KeyIterator = java.util.HashMap$KeyIterator of java.util.HashMap
  final KeySet = java.util.HashMap$KeySet of java.util.HashMap
  final KeySpliterator = java.util.HashMap$KeySpliterator of java.util.HashMap
  Node = java.util.HashMap$Node of java.util.HashMap