https://projects.eclipse.org/projects/ee4j.grizzly/grizzly-http-server-core: Grizzly Bill of Materials (BOM) (Oracle Corporation) 
public interface org.glassfish.grizzly.npn.AlpnServerNegotiator
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.grizzly.npn.AlpnServerNegotiator
  super_class: java.lang.Object
{
  public abstract java.lang.String selectProtocol(javax.net.ssl.SSLEngine, java.lang.String[]);
    descriptor: (Ljavax/net/ssl/SSLEngine;[Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                 Name  Flags
      sslEngine        
      clientProtocols  
}
SourceFile: "AlpnServerNegotiator.java"