Channel channel = cluster.getChannel();
if (channel != null) {
storeElement(aWriter, indent, channel);
}
// Store nested <Deployer> element
ClusterDeployer deployer = cluster.getClusterDeployer();
if (deployer != null) {
storeElement(aWriter, indent, deployer);
}
// Store nested <Valve> element
// ClusterValve are not store at Hosts element, see