code: def getFeatureSize(self):
      return self.getOrDefault(self.featureSize)
  
imports: from pyspark.ml.pipeline import Estimator, Model
  from pyspark.ml.param.shared import *
  from bigdl.dllib.utils.common import *
  import sys
label_desc: Use image node_id 3 for calling the HasFeatureSize obj's underlying member method code with example usage: obj.getFeatureSize() and returns: self