ClusterSecurityGroupMessage.fromXml constructor
      
      ClusterSecurityGroupMessage.fromXml(
    
    
- XmlElement elem
Implementation
factory ClusterSecurityGroupMessage.fromXml(_s.XmlElement elem) {
  return ClusterSecurityGroupMessage(
    clusterSecurityGroups: _s
        .extractXmlChild(elem, 'ClusterSecurityGroups')
        ?.let((elem) => elem
            .findElements('ClusterSecurityGroup')
            .map((c) => ClusterSecurityGroup.fromXml(c))
            .toList()),
    marker: _s.extractXmlStringValue(elem, 'Marker'),
  );
}