code: def toXML(self, writer, ttFont):
      writer.comment(
          "FontForge's timestamp, font source creation and modification dates"
      )
      writer.newline()
      formatstring, names, fixes = sstruct.getformat(FFTMFormat)
      for name in names:
          value = getattr(self, name)
          if name in ("FFTimeStamp", "sourceCreated", "sourceModified"):
              value = timestampToString(value)
          writer.simpletag(name, value=value)
          writer.newline()
  
file_path: catboost/contrib/python/fonttools/fontTools/ttLib/tables/F_F_T_M_.py
imports: from fontTools.misc import sstruct
  from fontTools.misc.textTools import safeEval
  from fontTools.misc.timeTools import timestampFromString, timestampToString
  from .None import DefaultTable
label_desc: Use image node_id 3 for calling the table_F_F_T_M_ obj's underlying member method code with example usage: obj.toXML(writer, ttFont) without return types