private void addCacheServerConfig(CacheServerConfig managerConfig) {
    checkReadOnly();

    if (managerConfig == null) {
      return;
    }
    for (final Object cacheServerConfig : cacheServerConfigs) {
      CacheServerConfigImpl impl = (CacheServerConfigImpl) cacheServerConfig;
      if (impl.equals(managerConfig)) {
        return;
      }
    }
    cacheServerConfigs.add(managerConfig);
    configChanged();
  }
Adds the configuration for a CacheServer

@since GemFire 4.0
geode-core/src/main/java/org/apache/geode/admin/internal/DistributedSystemConfigImpl.java