The dd glance columns with backend = "brms" and
logLik/AIC/BIC = NA_real_ by design, plus the Bayesian comparison
and diagnostic currency (elpd_loo, p_loo, looic, rhat_max,
ess_bulk_min, num_divergent).
Usage
# S3 method for class 'beezdiscounting_brms'
glance(x, ...)