code: def dialect(cls) -> str:
      return "duckdb"
  
imports: import re
  import warnings
  from .None import SqlConnection, CsvReadOptions
  from typing import Dict, Optional
  from distutils.version import LooseVersion
  import duckdb
  import pyarrow
  import pyarrow.feather
  import pandas
  import logging
  import uuid
label_desc: Use image node_id 2 for calling the DuckDbConnection obj's underlying member method code with example usage: obj.dialect(cls) and returns: str