presto-example-http/src/main/java/io/prestosql/plugin/example/ExampleConnector.java/ExampleConnector/ExampleConnector
class ExampleConnector:    @Inject
    public ExampleConnector(
            LifeCycleManager lifeCycleManager,
            ExampleMetadata metadata,
            ExampleSplitManager splitManager,
            ExampleRecordSetProvider recordSetProvider)
    {
        this.lifeCycleManager = requireNonNull(lifeCycleManager, "lifeCycleManager is null");
        this.metadata = requireNonNull(metadata, "metadata is null");
        this.splitManager = requireNonNull(splitManager, "splitManager is null");
        this.recordSetProvider = requireNonNull(recordSetProvider, "recordSetProvider is null");
    }