public static void setIsDefaultServer(CacheServer server) {
    if (server instanceof CacheServerImpl) {
      ((CacheServerImpl) server).setIsDefaultServer();
    }
  }
<code>CacheServerHelper</code> is a static class that provides helper methods for the CacheServer
classes.

@since GemFire 3.5
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/CacheServerHelper.java