# Package org.apache.tapestry5.internal.event

package org.apache.tapestry5.internal.event
[INTERNAL USE ONLY] support classes for event listeners; API subject to change

- Related Packages
  Package
  Description
  org.apache.tapestry5.internal
  [INTERNAL USE ONLY] internal support classes; API subject to change.
- Classes
  Class
  Description
  InvalidationEventHubImpl
  Base implementation class for classes (especially services) that need to manage a list of `InvalidationListener`s.