109     def period(self, value):  argument
110         self.__period = value
117     def frequency(self, value):  argument
118         self.__period = int(1e9 / value)
125     def start_time(self, value):  argument
126         self.__start_time = value
149     def start_time(self, value):  argument
150         self.__start_time = value
193         return lambda key, value: self._insert(type_idx, key, value)
202         index = next(i for i, value in enumerate(self.metadata) if value['key'] == key)
208     def _insert(self, type_idx, key, value):  argument
214             'value': value