code: def __init__(self, indexers: List[IdIndexer]):
      super().__init__()
      self.indexers = indexers
  
imports: from typing import List
  from synapse.ml.cyber.utils.spark_utils import DataFrameUtils, ExplainBuilder, HasSetInputCol, HasSetOutputCol
  from pyspark.ml import Estimator, Transformer
  from pyspark.ml.param.shared import HasInputCol, HasOutputCol, Param, Params
  from pyspark.sql import DataFrame, functions
label_desc: Use image node_id 1 to create a new MultiIndexer object from inherited base classes: Estimator with example: obj = MultiIndexer(indexers)