https://projects.eclipse.org/projects/ee4j.grizzly/grizzly-websockets-server: Grizzly Bill of Materials (BOM) (Oracle Corporation) 
public interface org.glassfish.grizzly.memory.DefaultMemoryManagerFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.glassfish.grizzly.memory.DefaultMemoryManagerFactory
  super_class: java.lang.Object
{
  public static final java.lang.String DMMF_PROP_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "org.glassfish.grizzly.MEMORY_MANAGER_FACTORY"

  public abstract org.glassfish.grizzly.memory.MemoryManager createMemoryManager();
    descriptor: ()Lorg/glassfish/grizzly/memory/MemoryManager;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "DefaultMemoryManagerFactory.java"