presto-main/src/main/java/io/prestosql/execution/scheduler/TopologyFileConfig.java/TopologyFileConfig/setNetworkTopologyFile
class TopologyFileConfig:    @Config("node-scheduler.network-topology.file")
    public TopologyFileConfig setNetworkTopologyFile(File networkTopologyFile)
    {
        this.networkTopologyFile = networkTopologyFile;
        return this;
    }