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 interface io.netty.handler.ssl.JdkApplicationProtocolNegotiator$ProtocolSelector
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.netty.handler.ssl.JdkApplicationProtocolNegotiator$ProtocolSelector
  super_class: java.lang.Object
{
  public abstract void unsupported();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String select(java.util.List<java.lang.String>);
    descriptor: (Ljava/util/List;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
    Signature: (Ljava/util/List<Ljava/lang/String;>;)Ljava/lang/String;
    MethodParameters:
           Name  Flags
      protocols  
}
SourceFile: "JdkApplicationProtocolNegotiator.java"
NestHost: io.netty.handler.ssl.JdkApplicationProtocolNegotiator
InnerClasses:
  public abstract ProtocolSelector = io.netty.handler.ssl.JdkApplicationProtocolNegotiator$ProtocolSelector of io.netty.handler.ssl.JdkApplicationProtocolNegotiator