docs: public static Config loadConfig(
        String cluster,
        String role,
        String environ,
        String topologyBinaryFile,
        String topologyDefnFile,
        Boolean verbose,
        TopologyAPI.Topology topology) {
  
      return Config.toClusterMode(
          Config.newBuilder()
              .putAll(ConfigLoader.loadClusterConfig())
              .putAll(commandLineConfigs(cluster, role, environ, verbose))
              .putAll(topologyConfigs(topologyBinaryFile, topologyDefnFile, topology))
              .build());
    }