code: def Encode(self, attribute, value):
      
      required_type = self._attribute_types.get(attribute, "bytes")
  
      if required_type == "integer":
        return rdf_structs.SignedVarintEncode(int(value))
      elif required_type == "unsigned_integer":
        return rdf_structs.VarintEncode(int(value))
      elif hasattr(value, "SerializeToString"):
        return value.SerializeToString()
      elif isinstance(value, bytes):
        return value
      elif isinstance(value, Text):
        return value.encode("utf-8")
      else:
        return str(value).encode("utf-8")
docs: Encode the value for the attribute.