package com.atlassian.sal.api.events;
   
   import javax.annotation.concurrent.Immutable;
   import javax.servlet.http.HttpSessionListener;
   
   /**
    * Represents an event published when a http session is destroyed.  Implementers should fire this event accordingly.
    *
    * @see HttpSessionListener
   */
  @Immutable
  public class SessionDestroyedEvent extends AbstractSessionEvent {
      private SessionDestroyedEvent(final String sessionId, final String userName) {
          super(sessionId, userName);
      }
  
      public static Builder builder() {
          return new Builder();
      }
  
      public static class Builder extends AbstractSessionEvent.Builder {
          private Builder() {
          }
  
          public SessionDestroyedEvent build() {
              return new SessionDestroyedEvent(sessionId, userName);
          }
      }
  }