docstr: Gets the number of hidden units for AssertionDLApproach and MedicalNerApproach.
docstr_tok: ["Gets","the","number","of","hidden","units","for","AssertionDLApproach","and","MedicalNerApproach","."]
code: def getHiddenUnitsNumber(self):
      """Gets the number of hidden units for AssertionDLApproach and MedicalNerApproach."""
      return self.getOrDefault(self.hiddenUnitsNumber)
  
imports: from pyspark.ml import Model, Estimator
  from pyspark.ml.util import DefaultParamsWritable, DefaultParamsReadable
  from sparknlp.common import *
label_desc: Use image node_id 2 for calling the TFNerDLGraphBuilder obj's underlying member method code with example usage: obj.getHiddenUnitsNumber() and returns: self