}

    protected Object getRepositoryKey(Repository repository) {
        return getRepositoryBaseKey(repository);
    }

    protected Object getRepositoryBaseKey(RepositoryBase repositoryBase) {
        return repositoryBase;
    }

    protected Object getNotifierKey(Notifier notifier) {
        return notifier;
    }

    protected Object getResourceKey(Resource resource) {

    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>RepositoryBase</name>
      <version>4.0.0+</version>
      <description>A repository contains the information needed for establishing connections with
        remote repository.</description>
      <fields>
        <field>