class_docstr: An abstract class for History Accessors 
class_docstr_tok: ["An","abstract","class","for","History","Accessors"]
code: def get_tail(
      self, n=10, raw=True, output=False, include_latest=False
  ):
      raise NotImplementedError
  
imports: import atexit
  import datetime
  from pathlib import Path
  import re
  import sqlite3
  import threading
  from traitlets.config.configurable import LoggingConfigurable
  from decorator import decorator
  from IPython.utils.decorators import undoc
  from IPython.paths import locate_profile
  from traitlets import Any, Bool, Dict, Instance, Integer, List, Unicode, Union, TraitError, default, observe
label_desc: Use image node_id 1 for calling the HistoryAccessorBase obj's underlying member method code with example usage: obj.get_tail(n, raw, output, include_latest) without return types