code: def timestampNow():
      # https://reproducible-builds.org/specs/source-date-epoch/
      source_date_epoch = os.environ.get("SOURCE_DATE_EPOCH")
      if source_date_epoch is not None:
          return int(source_date_epoch) - epoch_diff
      return int(time.time() - epoch_diff)
  
file_path: catboost/contrib/python/fonttools/fontTools/misc/timeTools.py
imports: import os
  import time
  from datetime import datetime, timezone
  import calendar
label_desc: Use image node_id 4 for calling a global function with example usage: timestampNow() and returns: int, unknown