keras/src/optimizers/schedules/learning_rate_schedule.py/CosineDecayRestarts/get_config
class CosineDecayRestarts:    def get_config(self):
        return {
            "initial_learning_rate": self.initial_learning_rate,
            "first_decay_steps": self.first_decay_steps,
            "t_mul": self._t_mul,
            "m_mul": self._m_mul,
            "alpha": self.alpha,
            "name": self.name,
        }