(self, times, config)
predict the loss of an unseen configuration

            Parameters:
            -----------

            times: numpy array
                times where to predict the loss
            config: numpy array
                the numerical representation of the config

            Returns:
            --------
            
            mean and variance prediction at input times for the given config
predict the loss of an unseen configuration
predict the loss of an unseen configuration
def predict_unseen(self, times, config):
        """
            predict the loss of an unseen configuration

            Parameters:
            -----------

            times: numpy array
                times where to predict the loss
            config: numpy array
                the numerical representation of the config

            Returns:
            --------
            
            mean and variance prediction at input times for the given config
        """
        raise NotImplementedError()
def predict_unseen ( self , times , config ) : raise NotImplementedError ( )