final class io.netty.util.collection.LongObjectHashMap$KeySet extends java.util.AbstractSet<java.lang.Long>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: io.netty.util.collection.LongObjectHashMap$KeySet
  super_class: java.util.AbstractSet
{
  final io.netty.util.collection.LongObjectHashMap this$0;
    descriptor: Lio/netty/util/collection/LongObjectHashMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(io.netty.util.collection.LongObjectHashMap);
    descriptor: (Lio/netty/util/collection/LongObjectHashMap;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
         0: .line 534
            aload 0 /* this */
            aload 1
            putfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            aload 0 /* this */
            invokespecial java.util.AbstractSet.<init>:()V
            return
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/collection/LongObjectHashMap$KeySet;
    MethodParameters:
        Name  Flags
      this$0  final

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
         0: .line 537
            aload 0 /* this */
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            invokevirtual io.netty.util.collection.LongObjectHashMap.size:()I
            ireturn
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/collection/LongObjectHashMap$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 // io.netty.util.collection.LongObjectHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 542
            aload 0 /* this */
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            aload 1 /* o */
            invokevirtual io.netty.util.collection.LongObjectHashMap.containsKey:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/collection/LongObjectHashMap$KeySet;
            0    1     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 // io.netty.util.collection.LongObjectHashMap$KeySet this
        start local 1 // java.lang.Object o
         0: .line 547
            aload 0 /* this */
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            aload 1 /* o */
            invokevirtual io.netty.util.collection.LongObjectHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/collection/LongObjectHashMap$KeySet;
            0    2     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public boolean retainAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
        start local 1 // java.util.Collection retainedKeys
         0: .line 552
            iconst_0
            istore 2 /* changed */
        start local 2 // boolean changed
         1: .line 553
            aload 0 /* this */
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            invokevirtual io.netty.util.collection.LongObjectHashMap.entries:()Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 3 /* iter */
        start local 3 // java.util.Iterator iter
         2: goto 7
         3: .line 554
      StackMap locals: int java.util.Iterator
      StackMap stack:
            aload 3 /* iter */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.util.collection.LongObjectMap$PrimitiveEntry
            astore 4 /* entry */
        start local 4 // io.netty.util.collection.LongObjectMap$PrimitiveEntry entry
         4: .line 555
            aload 1 /* retainedKeys */
            aload 4 /* entry */
            invokeinterface io.netty.util.collection.LongObjectMap$PrimitiveEntry.key:()J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Collection.contains:(Ljava/lang/Object;)Z
            ifne 7
         5: .line 556
            iconst_1
            istore 2 /* changed */
         6: .line 557
            aload 3 /* iter */
            invokeinterface java.util.Iterator.remove:()V
        end local 4 // io.netty.util.collection.LongObjectMap$PrimitiveEntry entry
         7: .line 553
      StackMap locals:
      StackMap stack:
            aload 3 /* iter */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        end local 3 // java.util.Iterator iter
         8: .line 560
            iload 2 /* changed */
            ireturn
        end local 2 // boolean changed
        end local 1 // java.util.Collection retainedKeys
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    9     0          this  Lio/netty/util/collection/LongObjectHashMap$KeySet;
            0    9     1  retainedKeys  Ljava/util/Collection<*>;
            1    9     2       changed  Z
            2    8     3          iter  Ljava/util/Iterator<Lio/netty/util/collection/LongObjectMap$PrimitiveEntry<TV;>;>;
            4    7     4         entry  Lio/netty/util/collection/LongObjectMap$PrimitiveEntry<TV;>;
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
              Name  Flags
      retainedKeys  

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
         0: .line 565
            aload 0 /* this */
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            invokevirtual io.netty.util.collection.LongObjectHashMap.clear:()V
         1: .line 566
            return
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/collection/LongObjectHashMap$KeySet;

  public java.util.Iterator<java.lang.Long> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
         0: .line 570
            new io.netty.util.collection.LongObjectHashMap$KeySet$1
            dup
            aload 0 /* this */
            invokespecial io.netty.util.collection.LongObjectHashMap$KeySet$1.<init>:(Lio/netty/util/collection/LongObjectHashMap$KeySet;)V
            areturn
        end local 0 // io.netty.util.collection.LongObjectHashMap$KeySet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/collection/LongObjectHashMap$KeySet;
    Signature: ()Ljava/util/Iterator<Ljava/lang/Long;>;

  static io.netty.util.collection.LongObjectHashMap access$0(io.netty.util.collection.LongObjectHashMap$KeySet);
    descriptor: (Lio/netty/util/collection/LongObjectHashMap$KeySet;)Lio/netty/util/collection/LongObjectHashMap;
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 534
            aload 0
            getfield io.netty.util.collection.LongObjectHashMap$KeySet.this$0:Lio/netty/util/collection/LongObjectHashMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/util/AbstractSet<Ljava/lang/Long;>;
SourceFile: "LongObjectHashMap.java"
NestHost: io.netty.util.collection.LongObjectHashMap
InnerClasses:
  private final KeySet = io.netty.util.collection.LongObjectHashMap$KeySet of io.netty.util.collection.LongObjectHashMap
  io.netty.util.collection.LongObjectHashMap$KeySet$1
  public abstract PrimitiveEntry = io.netty.util.collection.LongObjectMap$PrimitiveEntry of io.netty.util.collection.LongObjectMap