http://grizzly.java.net/grizzly-npn-api: Eclipse Enterprise for Java (EE4J) is an open source initiative to create standard APIs, implementations of those APIs, and technology compatibility kits for Java runtimes that enable development, deployment, and management of server-side and cloud-native applications. (Oracle Corporation) 
public interface org.glassfish.grizzly.npn.ClientSideNegotiator
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.grizzly.npn.ClientSideNegotiator
  super_class: java.lang.Object
{
  public abstract boolean wantNegotiate(javax.net.ssl.SSLEngine);
    descriptor: (Ljavax/net/ssl/SSLEngine;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      engine  final

  public abstract java.lang.String selectProtocol(javax.net.ssl.SSLEngine, java.util.LinkedHashSet<java.lang.String>);
    descriptor: (Ljavax/net/ssl/SSLEngine;Ljava/util/LinkedHashSet;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljavax/net/ssl/SSLEngine;Ljava/util/LinkedHashSet<Ljava/lang/String;>;)Ljava/lang/String;
    MethodParameters:
           Name  Flags
      engine     final
      protocols  final

  public abstract void onNoDeal(javax.net.ssl.SSLEngine);
    descriptor: (Ljavax/net/ssl/SSLEngine;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      engine  final
}
SourceFile: "ClientSideNegotiator.java"