presto-memory/src/main/java/io/prestosql/plugin/memory/MemoryModule.java/MemoryModule/MemoryModule
class MemoryModule:    public MemoryModule(TypeManager typeManager, NodeManager nodeManager)
    {
        this.typeManager = requireNonNull(typeManager, "typeManager is null");
        this.nodeManager = requireNonNull(nodeManager, "nodeManager is null");
    }