class_docstr: DeepPavlov dialog logging facility.
  
  DialogLogger is an entity which provides tools for dialogs logging.
  
  Args:
      enabled: DialogLogger on/off flag.
      logger_name: Dialog logger name that is used for organising log files.
  
  Attributes:
      logger_name: Dialog logger name which is used for organising log files.
      log_max_size: Maximum size of log file, kb.
      self.log_file: Current log file object.
docstr: Returns str converted current UTC timestamp.
  
  Returns:
      utc_timestamp_str: str converted current UTC timestamp.
docstr_tok: ["Returns","str","converted","current","UTC","timestamp",".","Returns",":","utc_timestamp_str",":","str","converted","current","UTC","timestamp","."]
code: def _get_timestamp_utc_str() -> str:
      """Returns str converted current UTC timestamp.
  
      Returns:
          utc_timestamp_str: str converted current UTC timestamp.
      """
      utc_timestamp_str = datetime.strftime(
          datetime.utcnow(), LOG_TIMESTAMP_FORMAT
      )
      return utc_timestamp_str
  
file_path: DeepPavlov/deeppavlov/utils/connector/dialog_logger.py
imports: import json
  from datetime import datetime
  from logging import getLogger
  from pathlib import Path
  from typing import Any, Optional, Hashable
  from deeppavlov.core.common.file import read_json
  from deeppavlov.core.common.paths import get_settings_path
  from deeppavlov.core.data.utils import jsonify_data
label_desc: Use image node_id 2 for calling the DialogLogger obj's underlying member method code with example usage: obj._get_timestamp_utc_str() and returns: utc_timestamp_str