class org.jruby.util.collections.IntHashMap$KeySet extends java.util.AbstractSet<java.lang.Integer>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.jruby.util.collections.IntHashMap$KeySet
  super_class: java.util.AbstractSet
{
  final org.jruby.util.collections.IntHashMap this$0;
    descriptor: Lorg/jruby/util/collections/IntHashMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(org.jruby.util.collections.IntHashMap);
    descriptor: (Lorg/jruby/util/collections/IntHashMap;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.IntHashMap$KeySet this
         0: .line 290
            aload 0 /* this */
            aload 1
            putfield org.jruby.util.collections.IntHashMap$KeySet.this$0:Lorg/jruby/util/collections/IntHashMap;
            aload 0 /* this */
            invokespecial java.util.AbstractSet.<init>:()V
            return
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$KeySet;
    MethodParameters:
        Name  Flags
      this$0  final

  public java.util.Iterator<java.lang.Integer> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.IntHashMap$KeySet this
         0: .line 293
            aload 0 /* this */
            getfield org.jruby.util.collections.IntHashMap$KeySet.this$0:Lorg/jruby/util/collections/IntHashMap;
            invokevirtual org.jruby.util.collections.IntHashMap.newKeyIterator:()Ljava/util/Iterator;
            areturn
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$KeySet;
    Signature: ()Ljava/util/Iterator<Ljava/lang/Integer;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.IntHashMap$KeySet this
         0: .line 297
            aload 0 /* this */
            getfield org.jruby.util.collections.IntHashMap$KeySet.this$0:Lorg/jruby/util/collections/IntHashMap;
            getfield org.jruby.util.collections.IntHashMap.count:I
            ireturn
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$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.IntHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 302
            aload 1 /* o */
            instanceof java.lang.Number
            ifeq 2
         1: .line 303
            aload 0 /* this */
            getfield org.jruby.util.collections.IntHashMap$KeySet.this$0:Lorg/jruby/util/collections/IntHashMap;
            aload 1 /* o */
            checkcast java.lang.Number
            invokevirtual java.lang.Number.intValue:()I
            invokevirtual org.jruby.util.collections.IntHashMap.containsKey:(I)Z
            ireturn
         2: .line 305
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/jruby/util/collections/IntHashMap$KeySet;
            0    3     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.IntHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 310
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.Object o
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$KeySet;
            0    1     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.IntHashMap$KeySet this
         0: .line 315
            aload 0 /* this */
            getfield org.jruby.util.collections.IntHashMap$KeySet.this$0:Lorg/jruby/util/collections/IntHashMap;
            invokevirtual org.jruby.util.collections.IntHashMap.clear:()V
         1: .line 316
            return
        end local 0 // org.jruby.util.collections.IntHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/jruby/util/collections/IntHashMap$KeySet;
}
Signature: Ljava/util/AbstractSet<Ljava/lang/Integer;>;
SourceFile: "IntHashMap.java"
NestHost: org.jruby.util.collections.IntHashMap
InnerClasses:
  private KeySet = org.jruby.util.collections.IntHashMap$KeySet of org.jruby.util.collections.IntHashMap