presto-main/src/main/java/io/prestosql/connector/CatalogName.java/CatalogName/isInternalSystemConnector
class CatalogName:    public static boolean isInternalSystemConnector(CatalogName catalogName)
    {
        return catalogName.getCatalogName().startsWith(SYSTEM_TABLES_CONNECTOR_PREFIX) ||
                catalogName.getCatalogName().startsWith(INFORMATION_SCHEMA_CONNECTOR_PREFIX);
    }