https://projects.eclipse.org/projects/ee4j.grizzly/grizzly-framework: Grizzly Bill of Materials (BOM) (Oracle Corporation) 
public interface org.glassfish.grizzly.GracefulShutdownListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.grizzly.GracefulShutdownListener
  super_class: java.lang.Object
{
  public abstract void shutdownRequested(org.glassfish.grizzly.ShutdownContext);
    descriptor: (Lorg/glassfish/grizzly/ShutdownContext;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                 Name  Flags
      shutdownContext  final

  public abstract void shutdownForced();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "GracefulShutdownListener.java"