docstr: Add the term tokens to the src vocab.
docstr_tok: ["Add","the","term","tokens","to","the","src","vocab","."]
code: def get_specials(cls, opts):
      """Add the term tokens to the src vocab."""
      src_specials = list()
      src_specials.extend(
          [
              opts.src_term_stoken,
              opts.tgt_term_stoken,
              opts.tgt_term_etoken,
          ]
      )
      return (src_specials, list())
  
imports: from onmt.utils.logging import logger
  from onmt.transforms import register_transform
  from .transform import Transform
  import spacy
  import ahocorasick
  import re
label_desc: Use image node_id 4 for calling the TerminologyTransform obj's underlying member method code with example usage: obj.get_specials(cls, opts) and returns: src_specials,  list