Creates prediction intervals using parametric assumptions based on the model's distribution (e.g., assuming normality for ARMA models).
ParametricInterval(positivity_correction = "none")A spec for a Julia `ParametricInterval`, built when it is used (see [juliabridge::julia_spec()])
if (FALSE) { # \dontrun{
# Standard parametric intervals
method <- ParametricInterval()
# With positivity correction
method <- ParametricInterval(positivity_correction = "post_clip")
} # }