code: def _max_index_token(curr_col_name: str) -> str:
      return "__max_{0}__".format(curr_col_name)
  
file_path: SynapseML/core/src/main/python/synapse/ml/cyber/anomaly/complement_access.py
imports: from typing import List, Optional
  from synapse.ml.cyber.utils.spark_utils import DataFrameUtils, ExplainBuilder
  from pyspark.ml import Transformer
  from pyspark.ml.param.shared import Param, Params
  from pyspark.sql import DataFrame, functions, types
  import random
label_desc: Use image node_id 3 for calling the ComplementAccessTransformer obj's underlying member method code with example usage: obj._max_index_token(curr_col_name) and returns: str