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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def payload(self):
 """The payload property automatically decodes the encapsulated data."""

    if self.args_rdf_name:
      # Now try to create the correct RDFValue.
      result_cls = self.classes.get(self.args_rdf_name, rdfvalue.RDFString)

      result = result_cls.FromSerializedString(
          self.Get("args"), age=self.args_age)
      return result