docstr: Retrieve :attr:`Sentinel._sentinel`
  
  Returns
  -------
  Str
      The value of :attr:`Sentinel._sentinel`
docstr_tok: ["Retrieve",":","attr",":","`","Sentinel._sentinel","`","Returns","--","--","--","-","Str","The","value","of",":","attr",":","`","Sentinel._sentinel","`"]
code: def sentinel(self) -> str:
      """Retrieve :attr:`Sentinel._sentinel`
  
      Returns
      -------
      Str
          The value of :attr:`Sentinel._sentinel`"""
      return self._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 3 for calling the Sentinel obj's underlying member method code with example usage: obj.sentinel() and returns: self