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

     <extension
         point="org.eclipse.contribution.xref.core.providers">
      <xrefProvider
            enabled="true"
            label="My Label"
            class="org.eclipse.contribution.xref.core.tests.TestProvider"
            id="org.eclipse.contribution.xref.core.tests.testProvider">
      </xrefProvider>
      <xrefProvider
            enabled="true"
            label="My Label 2"
            class="org.eclipse.contribution.xref.core.tests.UnknownProvider"
            id="org.eclipse.contribution.xref.core.tests.unknownProvider">
      </xrefProvider>
   </extension>

</plugin>