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 final class io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator implements io.netty.handler.ssl.OpenSslApplicationProtocolNegotiator
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator
  super_class: java.lang.Object
{
  private final java.util.List<java.lang.String> protocols;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/String;>;

  public void <init>(java.lang.Iterable<java.lang.String>);
    descriptor: (Ljava/lang/Iterable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
        start local 1 // java.lang.Iterable protocols
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 33
            aload 0 /* this */
            aload 1 /* protocols */
            invokestatic io.netty.handler.ssl.ApplicationProtocolUtil.toList:(Ljava/lang/Iterable;)Ljava/util/List;
            ldc "protocols"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast java.util.List
            putfield io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator.protocols:Ljava/util/List;
         2: .line 34
            return
        end local 1 // java.lang.Iterable protocols
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;
            0    3     1  protocols  Ljava/lang/Iterable<Ljava/lang/String;>;
    Signature: (Ljava/lang/Iterable<Ljava/lang/String;>;)V
    MethodParameters:
           Name  Flags
      protocols  

  public void <init>(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
        start local 1 // java.lang.String[] protocols
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 37
            aload 0 /* this */
            aload 1 /* protocols */
            invokestatic io.netty.handler.ssl.ApplicationProtocolUtil.toList:([Ljava/lang/String;)Ljava/util/List;
            ldc "protocols"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast java.util.List
            putfield io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator.protocols:Ljava/util/List;
         2: .line 38
            return
        end local 1 // java.lang.String[] protocols
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;
            0    3     1  protocols  [Ljava/lang/String;
    MethodParameters:
           Name  Flags
      protocols  

  public io.netty.handler.ssl.ApplicationProtocolConfig$Protocol protocol();
    descriptor: ()Lio/netty/handler/ssl/ApplicationProtocolConfig$Protocol;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
         0: .line 42
            getstatic io.netty.handler.ssl.ApplicationProtocolConfig$Protocol.NPN:Lio/netty/handler/ssl/ApplicationProtocolConfig$Protocol;
            areturn
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;

  public java.util.List<java.lang.String> protocols();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
         0: .line 47
            aload 0 /* this */
            getfield io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator.protocols:Ljava/util/List;
            areturn
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;
    Signature: ()Ljava/util/List<Ljava/lang/String;>;

  public io.netty.handler.ssl.ApplicationProtocolConfig$SelectorFailureBehavior selectorFailureBehavior();
    descriptor: ()Lio/netty/handler/ssl/ApplicationProtocolConfig$SelectorFailureBehavior;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
         0: .line 52
            getstatic io.netty.handler.ssl.ApplicationProtocolConfig$SelectorFailureBehavior.CHOOSE_MY_LAST_PROTOCOL:Lio/netty/handler/ssl/ApplicationProtocolConfig$SelectorFailureBehavior;
            areturn
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;

  public io.netty.handler.ssl.ApplicationProtocolConfig$SelectedListenerFailureBehavior selectedListenerFailureBehavior();
    descriptor: ()Lio/netty/handler/ssl/ApplicationProtocolConfig$SelectedListenerFailureBehavior;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
         0: .line 57
            getstatic io.netty.handler.ssl.ApplicationProtocolConfig$SelectedListenerFailureBehavior.ACCEPT:Lio/netty/handler/ssl/ApplicationProtocolConfig$SelectedListenerFailureBehavior;
            areturn
        end local 0 // io.netty.handler.ssl.OpenSslNpnApplicationProtocolNegotiator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/ssl/OpenSslNpnApplicationProtocolNegotiator;
}
SourceFile: "OpenSslNpnApplicationProtocolNegotiator.java"
InnerClasses:
  public final Protocol = io.netty.handler.ssl.ApplicationProtocolConfig$Protocol of io.netty.handler.ssl.ApplicationProtocolConfig
  public final SelectedListenerFailureBehavior = io.netty.handler.ssl.ApplicationProtocolConfig$SelectedListenerFailureBehavior of io.netty.handler.ssl.ApplicationProtocolConfig
  public final SelectorFailureBehavior = io.netty.handler.ssl.ApplicationProtocolConfig$SelectorFailureBehavior of io.netty.handler.ssl.ApplicationProtocolConfig
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()