http://bytebuddy.net/byte-buddy-agent: The Byte Buddy Java agent allows to access the JVM's HotSwap feature. 
public interface net.bytebuddy.agent.VirtualMachine
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: net.bytebuddy.agent.VirtualMachine
  super_class: java.lang.Object
{
  public abstract void loadAgent(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      jarFile   
      argument  

  public abstract void detach();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
}
SourceFile: "VirtualMachine.java"
NestMembers:
  net.bytebuddy.agent.VirtualMachine$ForHotSpot  net.bytebuddy.agent.VirtualMachine$ForHotSpot$OnUnix
InnerClasses:
  public abstract ForHotSpot = net.bytebuddy.agent.VirtualMachine$ForHotSpot of net.bytebuddy.agent.VirtualMachine