docstr: Create a string containing all information necessary to identify the sentinel
  
  Returns
  -------
  sentinel: Str
      A string identifying the sentinel
docstr_tok: ["Create","a","string","containing","all","information","necessary","to","identify","the","sentinel","Returns","--","--","--","-","sentinel",":","Str","A","string","identifying","the","sentinel"]
code: def _build_sentinel(self) -> str:
      """Create a string containing all information necessary to identify the sentinel
  
      Returns
      -------
      sentinel: Str
          A string identifying the sentinel"""
  
file_path: hyperparameter_hunter/hyperparameter_hunter/sentinels.py
imports: from hyperparameter_hunter.data.data_core import BaseDataset
  from hyperparameter_hunter.settings import G
  from hyperparameter_hunter.utils.boltons_utils import remap
  from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 5 for calling the Sentinel obj's underlying member method code with example usage: obj._build_sentinel() without return types