code: def haveGlyphNames(self):
      if hasattr(self.cff[self.cff.fontNames[0]], "ROS"):
          return False  # CID-keyed font
      else:
          return True
  
file_path: catboost/contrib/python/fonttools/fontTools/ttLib/tables/C_F_F_.py
imports: from io import BytesIO
  from fontTools import cffLib
  from .None import DefaultTable
label_desc: Use image node_id 4 for calling the table_C_F_F_ obj's underlying member method code with example usage: obj.haveGlyphNames() and returns: False, True