code: def __repr__(self):
      return "<%s: %s>" % (self.__class__.__name__, self.__dict__)
  
file_path: catboost/contrib/python/fonttools/fontTools/ttLib/tables/D_S_I_G_.py
imports: from fontTools.misc.textTools import bytesjoin, strjoin, tobytes, tostr, safeEval
  from fontTools.misc import sstruct
  from .None import DefaultTable
  import base64
label_desc: Use image node_id 1 for calling the SignatureRecord obj's underlying member method code with example usage: obj.__repr__() and returns: unknown