def make_state_space_model(self,
                             num_timesteps,
                             param_vals=None,
                             initial_state_prior=None,
                             initial_step=0):
    """
    """
    return self._make_state_space_model(
        num_timesteps=num_timesteps,
        param_map=self._canonicalize_param_vals_as_map(param_vals),
        initial_state_prior=initial_state_prior,
        initial_step=initial_step)