pub fn supplementary_features(
        &self,
    ) -> std::option::Option<&[crate::model::SupplementaryFeature]> {
        self.supplementary_features.as_deref()
    }
/// <p>An array of supplementary features. The only supported feature is a holiday calendar.</p>
An array of supplementary features. The only supported feature is a holiday calendar.
An array of supplementary features . The only supported feature is a holiday calendar .
pub fn supplementary_features(
        &self,
    ) -> std::option::Option<&[crate::model::SupplementaryFeature]> {
        self.supplementary_features.as_deref()
    }
pub fn supplementary_features ( & self , ) -> std :: option :: Option < & [ crate :: model :: SupplementaryFeature ] > { self . supplementary_features . as_deref ( ) }
<p>An array of supplementary features.
<p > An array of supplementary features .
&self
&self