List<Artifact> trial = getTrail();

        List<String> ret = new ArrayList<>(trial.size());

        for (Artifact artifact : trial) {
            ret.add(artifact.getId());
        }

        return ret;
    }

    private List<Artifact> getTrail() throws OverConstrainedVersionException {
        if (trail == null) {

        return convertEmptyToNull(labeledURI);
    }

    public void setLabeledURI(String value) {
        registerModifiedProperty("labeledURI");
        this.labeledURI = value;
    }

    public String getMail() {
        checkSpecifiedProperty("mail");
        return convertEmptyToNull(mail);
    }

    public void setMail(String value) {
        registerModifiedProperty("mail");
        this.mail = value;

        setupEpg(_epgMap, et -> ((User) et).getLabeledURI(), (et, vl) -> ((User) et).setLabeledURI(DfTypeUtil.toString(vl)), "labeledURI");
        setupEpg(_epgMap, et -> ((User) et).getMail(), (et, vl) -> ((User) et).setMail(DfTypeUtil.toString(vl)), "mail");
        setupEpg(_epgMap, et -> ((User) et).getMobile(), (et, vl) -> ((User) et).setMobile(DfTypeUtil.toString(vl)), "mobile");

                        .forEach(v -> modifyDeleteEntry(modifyList, attrGivenName, v)));
        final String attrMail = fessConfig.getLdapAttrMail();
        OptionalUtil.ofNullable(user.getMail())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrMail, s))

          <code>
            <![CDATA[
    /**
     * @see java.lang.Object#toString()
     */
    public String toString()
    {
        return "Contributor {name=" + getName() + ", email=" + getEmail() + "}";
    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>Dependency</name>
      <version>3.0.0+</version>