manager maintains, persists, and restores the collection
    of all registered breakpoints in the workspace. As well, it provides change notification for
    breakpoints.</li>
 <li>Expression Manager - The expression manager maintains a collection of registered expressions.
    Expressions are not automatically persisted, but a client could persist its own expressions
    if required.</li>
</ul>

<h4>Launch Configurations</h4>

<p>A launch configuration is a persistable description of how to launch an appli