package javax.agent;
   
   import java.io.*;
   
   public class Envelope implements Serializable {
       private Identifier receiver;
       private Identifier sender;
       private Object object;
  
      public Envelope(Identifier receiver, Identifier sender, Object object) {
  	    this.sender = sender;
  	    this.receiver = receiver;
  	    this.object = object;
      }
  
      public Identifier getReceiver() {
  	    return receiver;
      }
  
      public Identifier getSender() {
  	    return sender;
      }
  
      public Object getObject() {
  	    return object;
      }
  }