catalog.xml

<catalog>
  <catalogItems>
    <catalogItem>
      <categoryId>org.eclipse.m2e.discovery.category.lifecycles</categoryId>
      <m2e-versions>1.0,1.1</m2e-versions>
      <description>antlr</description>
      <groupId>lifecycles</groupId>
      <id>org.eclipse.m2e.discovery.lifecyclemapping.antlr</id>
      <kind>lifecycles</kind>
      <license>EPL</license>
      <name>antlr</name>
      <provider>Sonatype, Inc.</provider>
      <p2>
        <repositoryUrl>https://repository.sonatype.org/content/repositories/forge-sites/m2e-extras/0.14.0/N/0.14.0.201109270543/</repositoryUrl>
        <iuId>org.sonatype.m2e.antlr.feature.feature.group</iuId>
        <lifecycleMappingIU>
          <iuId>org.sonatype.m2e.antlr</iuId>
        </lifecycleMappingIU>
      </p2>
      <overview>
        <summary>antlr</summary>
      </overview>
    </catalogItem>  
  </catalogItems>
</catalog>