docstr: Different models should implement the replacement strategies here.
docstr_tok: ["Different","models","should","implement","the","replacement","strategies","here","."]
code: def __call__(self, prompt, *args, **kwargs):
      """
      Different models should implement the replacement strategies here.
      """
      raise NotImplementedError()
  
imports: import numpy
  from abc import ABC, abstractmethod
  from .text_utils import extract_non_overlapping_ngrams
label_desc: Use image node_id 3 for calling the PerturbationModelBase obj's underlying member method code with example usage: obj.__call__(prompt) without return types