specific language governing permissions and limitations
under the License.
-->

<settings xmlns='http://maven.apache.org/SETTINGS/1.0.0'>
  <pluginGroups>
    <pluginGroup>org.codehaus.tycho</pluginGroup>
    <pluginGroup>org.sonatype.pwt</pluginGroup>
  </pluginGroups>

        }

        List<String> pluginGroups = settings.getPluginGroups();

        if (pluginGroups != null) {
            for (int i = 0; i < pluginGroups.size(); i++) {
                String pluginGroup = pluginGroups.get(i).trim();

                if (pluginGroup.isEmpty()) {
                    addViolation(
                            problems, Severity.ERROR, "pluginGroups.pluginGroup[" + i + "]", null, "must not be empty");