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) 
class io.netty.handler.codec.spdy.DefaultSpdyHeaders$1 implements io.netty.handler.codec.DefaultHeaders$NameValidator<java.lang.CharSequence>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.handler.codec.spdy.DefaultSpdyHeaders$1
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.spdy.DefaultSpdyHeaders$1 this
         0: .line 30
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.handler.codec.spdy.DefaultSpdyHeaders$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/spdy/DefaultSpdyHeaders$1;

  public void validateName(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.spdy.DefaultSpdyHeaders$1 this
        start local 1 // java.lang.CharSequence name
         0: .line 33
            aload 1 /* name */
            invokestatic io.netty.handler.codec.spdy.SpdyCodecUtil.validateHeaderName:(Ljava/lang/CharSequence;)V
         1: .line 34
            return
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.spdy.DefaultSpdyHeaders$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/spdy/DefaultSpdyHeaders$1;
            0    2     1  name  Ljava/lang/CharSequence;
    MethodParameters:
      Name  Flags
      name  

  public void validateName(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast java.lang.CharSequence
            invokevirtual io.netty.handler.codec.spdy.DefaultSpdyHeaders$1.validateName:(Ljava/lang/CharSequence;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Lio/netty/handler/codec/DefaultHeaders$NameValidator<Ljava/lang/CharSequence;>;
SourceFile: "DefaultSpdyHeaders.java"
EnclosingMethod: io.netty.handler.codec.spdy.DefaultSpdyHeaders
NestHost: io.netty.handler.codec.spdy.DefaultSpdyHeaders
InnerClasses:
  public abstract NameValidator = io.netty.handler.codec.DefaultHeaders$NameValidator of io.netty.handler.codec.DefaultHeaders
  io.netty.handler.codec.spdy.DefaultSpdyHeaders$1