https://openjdk.java.net/ 
public interface javax.management.remote.MBeanServerForwarder extends javax.management.MBeanServer
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.management.remote.MBeanServerForwarder
  super_class: java.lang.Object
{
  public abstract javax.management.MBeanServer getMBeanServer();
    descriptor: ()Ljavax/management/MBeanServer;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void setMBeanServer(javax.management.MBeanServer);
    descriptor: (Ljavax/management/MBeanServer;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      mbs   
}
SourceFile: "MBeanServerForwarder.java"