org.eclipse.stem/core/org.eclipse.stem.ui.headless/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.eclipse.stem.ui.launchers">
      <launcher
            class="org.eclipse.stem.ui.headless.HeadlessLauncher"
            name="headless">
      </launcher>
   </extension>

</plugin>