devtools/org.eclipse.gmf.dev.runtime/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>

<plugin>

   <extension
         point="org.eclipse.gmf.dev.editPartRequestFilters">
      <category
            name="GMF"
            class="org.eclipse.gmf.dev.runtime.ExtEditPartRequestFiltersProvider">
      </category>
   </extension>
   <extension
         point="org.eclipse.gmf.dev.editPartTraceContributors">
      <contributor
            class="org.eclipse.gmf.dev.runtime.ExtEditPartTraceContributor">
      </contributor>
   </extension>

</plugin>