tests/org.eclipse.core.tests.runtime/Plugin_Testing/plugins.version.2/a_1.1.1/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<plugin
  name="Test Plugin"
  id="a"
  version="1.1.1"
  vendor-name="IBM">

  <requires>
    <import plugin="b"/>
    <import plugin="d" version="1.2.0"/>
  </requires>

</plugin>