class_docstr: Base class for conversion between DataFrames and Collections.
class_docstr_tok: ["Base","class","for","conversion","between","DataFrames","and","Collections","."]
code: def dataframe_to_collection(df, columns: Columns):
      pass
  
imports: import abc
  import copy
  from collections import namedtuple
  from dataclasses import dataclass
  from typing import Any, Dict, Iterable, List, Optional, Sequence, Tuple, Union
  import pipeline_dp
  import pyspark
label_desc: Use image node_id 1 for calling the DataFrameConvertor obj's underlying member method code with example usage: obj.dataframe_to_collection(df, columns) without return types