update/org.eclipse.update.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<plugin
   id="org.eclipse.update.core"
   name="%name"
   version="2.0.0"
   provider-name="%provider-name"
   class="org.eclipse.update.internal.core.UpdateManagerPlugin">

<runtime>
   <library name="updatecore.jar">
      <export name="*"/>
   </library>
</runtime>
<requires>
   <import plugin="org.eclipse.core.runtime"/>
   <import plugin="org.eclipse.help"/>
   <import plugin="org.apache.xerces"/>
   <import plugin="org.eclipse.core.boot"/>
</requires>


<extension-point id="featureTypes" name="Install/Update Concrete Feature Type Implementation Factory"/>
<extension-point id="siteTypes" name="Install/Update Concrete Site Type Implementation Factory"/>

<extension
      id="packaged"
      point="org.eclipse.update.core.featureTypes">
   <feature-factory
         class="org.eclipse.update.internal.core.FeaturePackagedFactory">
   </feature-factory>
</extension>
<extension
      id="installed"
      point="org.eclipse.update.core.featureTypes">
   <feature-factory
         class="org.eclipse.update.internal.core.FeatureExecutableFactory">
   </feature-factory>
</extension>
<extension
      id="http"
      point="org.eclipse.update.core.siteTypes">
   <site-factory
         class="org.eclipse.update.internal.core.SiteURLFactory">
   </site-factory>
</extension>
<extension
      id="file"
      point="org.eclipse.update.core.siteTypes">
   <site-factory
         class="org.eclipse.update.internal.core.SiteFileFactory">
   </site-factory>
</extension>

</plugin>