bundles/org.eclipse.emf.ecp.view.model.provider.xmi/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension-point id="file" name="View Model File" schema="schema/file.exsd"/>
   <extension
         point="org.eclipse.emf.ecp.ui.view.viewModelProviders">
      <viewModelProvider
            class="org.eclipse.emf.ecp.view.model.provider.xmi.ExtensionXMIViewModelProvider">
      </viewModelProvider>
   </extension>

</plugin>