code: def get_original_tokens(self):
      return [t.orig_token.token for t in self.tokens]
  
file_path: nlpaug/nlpaug/util/doc/doc.py
imports: from nlpaug.util.doc.token import Token
  from nlpaug.util.doc.change_log import ChangeLog
label_desc: Use image node_id 7 for calling the Doc obj's underlying member method code with example usage: obj.get_original_tokens() and returns: unknown