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

  public abstract void protocolSelected(javax.net.ssl.SSLEngine, java.lang.String);
    descriptor: (Ljavax/net/ssl/SSLEngine;Ljava/lang/String;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                  Name  Flags
      sslEngine         
      selectedProtocol  
}
SourceFile: "AlpnClientNegotiator.java"