presto-main/src/main/java/io/prestosql/connector/informationschema/InformationSchemaConnector.java/InformationSchemaConnector/InformationSchemaConnector
class InformationSchemaConnector:    public InformationSchemaConnector(String catalogName, InternalNodeManager nodeManager, Metadata metadata, AccessControl accessControl)
    {
        requireNonNull(catalogName, "catalogName is null");
        requireNonNull(metadata, "metadata is null");

        this.metadata = new InformationSchemaMetadata(catalogName, metadata);
        this.splitManager = new InformationSchemaSplitManager(nodeManager);
        this.pageSourceProvider = new InformationSchemaPageSourceProvider(metadata, accessControl);
    }