org.eclipse.m2e.importer/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.eclipse.ui.ide.projectConfigurators">
      <projectConfigurator
            class="org.eclipse.m2e.importer.internal.MavenProjectConfigurator"
            label="Maven">
         <activeWhen>
            <hasFileRecursively filename="pom.xml"/>
         </activeWhen>
      </projectConfigurator>
   </extension>
</plugin>