presto-jmx/src/main/java/io/prestosql/plugin/jmx/JmxSplitManager.java/JmxSplitManager/JmxSplitManager
class JmxSplitManager:    @Inject
    public JmxSplitManager(NodeManager nodeManager)
    {
        this.nodeManager = requireNonNull(nodeManager, "nodeManager is null");
    }