http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public class io.netty.handler.codec.http.EmptyHttpHeaders extends io.netty.handler.codec.http.HttpHeaders
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http.EmptyHttpHeaders
  super_class: io.netty.handler.codec.http.HttpHeaders
{
  static final java.util.Iterator<java.util.Map$Entry<java.lang.CharSequence, java.lang.CharSequence>> EMPTY_CHARS_ITERATOR;
    descriptor: Ljava/util/Iterator;
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Iterator<Ljava/util/Map$Entry<Ljava/lang/CharSequence;Ljava/lang/CharSequence;>;>;

  public static final io.netty.handler.codec.http.EmptyHttpHeaders INSTANCE;
    descriptor: Lio/netty/handler/codec/http/EmptyHttpHeaders;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 27
            invokestatic java.util.Collections.emptyList:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
         1: .line 26
            putstatic io.netty.handler.codec.http.EmptyHttpHeaders.EMPTY_CHARS_ITERATOR:Ljava/util/Iterator;
         2: .line 29
            invokestatic io.netty.handler.codec.http.EmptyHttpHeaders.instance:()Lio/netty/handler/codec/http/EmptyHttpHeaders;
            putstatic io.netty.handler.codec.http.EmptyHttpHeaders.INSTANCE:Lio/netty/handler/codec/http/EmptyHttpHeaders;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static io.netty.handler.codec.http.EmptyHttpHeaders instance();
    descriptor: ()Lio/netty/handler/codec/http/EmptyHttpHeaders;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 40
            getstatic io.netty.handler.codec.http.EmptyHttpHeaders$InstanceInitializer.EMPTY_HEADERS:Lio/netty/handler/codec/http/EmptyHttpHeaders;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 43
            aload 0 /* this */
            invokespecial io.netty.handler.codec.http.HttpHeaders.<init>:()V
         1: .line 44
            return
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;

  public java.lang.String get(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
         0: .line 48
            aconst_null
            areturn
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      name  

  public java.lang.Integer getInt(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/lang/Integer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
         0: .line 53
            aconst_null
            areturn
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/CharSequence;
    MethodParameters:
      Name  Flags
      name  

  public int getInt(java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // int defaultValue
         0: .line 58
            iload 2 /* defaultValue */
            ireturn
        end local 2 // int defaultValue
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1          name  Ljava/lang/CharSequence;
            0    1     2  defaultValue  I
    MethodParameters:
              Name  Flags
      name          
      defaultValue  

  public java.lang.Short getShort(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/lang/Short;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
         0: .line 63
            aconst_null
            areturn
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/CharSequence;
    MethodParameters:
      Name  Flags
      name  

  public short getShort(java.lang.CharSequence, short);
    descriptor: (Ljava/lang/CharSequence;S)S
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // short defaultValue
         0: .line 68
            iload 2 /* defaultValue */
            ireturn
        end local 2 // short defaultValue
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1          name  Ljava/lang/CharSequence;
            0    1     2  defaultValue  S
    MethodParameters:
              Name  Flags
      name          
      defaultValue  

  public java.lang.Long getTimeMillis(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/lang/Long;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
         0: .line 73
            aconst_null
            areturn
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/CharSequence;
    MethodParameters:
      Name  Flags
      name  

  public long getTimeMillis(java.lang.CharSequence, long);
    descriptor: (Ljava/lang/CharSequence;J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // long defaultValue
         0: .line 78
            lload 2 /* defaultValue */
            lreturn
        end local 2 // long defaultValue
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1          name  Ljava/lang/CharSequence;
            0    1     2  defaultValue  J
    MethodParameters:
              Name  Flags
      name          
      defaultValue  

  public java.util.List<java.lang.String> getAll(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
         0: .line 83
            invokestatic java.util.Collections.emptyList:()Ljava/util/List;
            areturn
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/String;
    Signature: (Ljava/lang/String;)Ljava/util/List<Ljava/lang/String;>;
    MethodParameters:
      Name  Flags
      name  

  public java.util.List<java.util.Map$Entry<java.lang.String, java.lang.String>> entries();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 88
            invokestatic java.util.Collections.emptyList:()Ljava/util/List;
            areturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
    Signature: ()Ljava/util/List<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;>;

  public boolean contains(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
         0: .line 93
            iconst_0
            ireturn
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      name  

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 98
            iconst_1
            ireturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 103
            iconst_0
            ireturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;

  public java.util.Set<java.lang.String> names();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 108
            invokestatic java.util.Collections.emptySet:()Ljava/util/Set;
            areturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
    Signature: ()Ljava/util/Set<Ljava/lang/String;>;

  public io.netty.handler.codec.http.HttpHeaders add(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
        start local 2 // java.lang.Object value
         0: .line 113
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/String;
            0    1     2  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders add(java.lang.String, java.lang.Iterable<?>);
    descriptor: (Ljava/lang/String;Ljava/lang/Iterable;)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
        start local 2 // java.lang.Iterable values
         0: .line 118
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Iterable values
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1    name  Ljava/lang/String;
            0    1     2  values  Ljava/lang/Iterable<*>;
    Signature: (Ljava/lang/String;Ljava/lang/Iterable<*>;)Lio/netty/handler/codec/http/HttpHeaders;
    MethodParameters:
        Name  Flags
      name    
      values  

  public io.netty.handler.codec.http.HttpHeaders addInt(java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;I)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // int value
         0: .line 123
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // int value
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/CharSequence;
            0    1     2  value  I
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders addShort(java.lang.CharSequence, short);
    descriptor: (Ljava/lang/CharSequence;S)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // short value
         0: .line 128
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // short value
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/CharSequence;
            0    1     2  value  S
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders set(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
        start local 2 // java.lang.Object value
         0: .line 133
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/String;
            0    1     2  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders set(java.lang.String, java.lang.Iterable<?>);
    descriptor: (Ljava/lang/String;Ljava/lang/Iterable;)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
        start local 2 // java.lang.Iterable values
         0: .line 138
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Iterable values
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1    name  Ljava/lang/String;
            0    1     2  values  Ljava/lang/Iterable<*>;
    Signature: (Ljava/lang/String;Ljava/lang/Iterable<*>;)Lio/netty/handler/codec/http/HttpHeaders;
    MethodParameters:
        Name  Flags
      name    
      values  

  public io.netty.handler.codec.http.HttpHeaders setInt(java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;I)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // int value
         0: .line 143
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // int value
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/CharSequence;
            0    1     2  value  I
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders setShort(java.lang.CharSequence, short);
    descriptor: (Ljava/lang/CharSequence;S)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.CharSequence name
        start local 2 // short value
         0: .line 148
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // short value
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1   name  Ljava/lang/CharSequence;
            0    1     2  value  S
    MethodParameters:
       Name  Flags
      name   
      value  

  public io.netty.handler.codec.http.HttpHeaders remove(java.lang.String);
    descriptor: (Ljava/lang/String;)Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
        start local 1 // java.lang.String name
         0: .line 153
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.String name
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
            0    1     1  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      name  

  public io.netty.handler.codec.http.HttpHeaders clear();
    descriptor: ()Lio/netty/handler/codec/http/HttpHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 158
            new java.lang.UnsupportedOperationException
            dup
            ldc "read only"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;

  public java.util.Iterator<java.util.Map$Entry<java.lang.String, java.lang.String>> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 163
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.http.EmptyHttpHeaders.entries:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            areturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
    Signature: ()Ljava/util/Iterator<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;>;

  public java.util.Iterator<java.util.Map$Entry<java.lang.CharSequence, java.lang.CharSequence>> iteratorCharSequence();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
         0: .line 168
            getstatic io.netty.handler.codec.http.EmptyHttpHeaders.EMPTY_CHARS_ITERATOR:Ljava/util/Iterator;
            areturn
        end local 0 // io.netty.handler.codec.http.EmptyHttpHeaders this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/EmptyHttpHeaders;
    Signature: ()Ljava/util/Iterator<Ljava/util/Map$Entry<Ljava/lang/CharSequence;Ljava/lang/CharSequence;>;>;
}
SourceFile: "EmptyHttpHeaders.java"
NestMembers:
  io.netty.handler.codec.http.EmptyHttpHeaders$InstanceInitializer
InnerClasses:
  private final InstanceInitializer = io.netty.handler.codec.http.EmptyHttpHeaders$InstanceInitializer of io.netty.handler.codec.http.EmptyHttpHeaders
  public abstract Entry = java.util.Map$Entry of java.util.Map