code: def get_columns(self) -> List[Text]:
      return pd.json_normalize(
          self.get_list_items(limit=1)
      ).columns.tolist()
  
imports: import pandas
  from typing import Text, List, Dict, Any
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.libs.api_handler import APITable
  from mindsdb.integrations.handlers.utilities.query_utilities.select_query_utilities import SELECTQueryParser, SELECTQueryExecutor
  from mindsdb.integrations.handlers.utilities.query_utilities.delete_query_utilities import DELETEQueryParser, DELETEQueryExecutor
  from mindsdb.integrations.handlers.utilities.query_utilities.update_query_utilities import UPDATEQueryParser, UPDATEQueryExecutor
  from mindsdb.integrations.handlers.utilities.query_utilities import INSERTQueryParser
label_desc: Use image node_id 9 for calling the ListItemsTable obj's underlying member method code with example usage: obj.get_columns() and returns: pd