pub fn supplementary_features(mut self, input: crate::model::SupplementaryFeature) -> Self {
            let mut v = self.supplementary_features.unwrap_or_default();
            v.push(input);
            self.supplementary_features = Some(v);
            self
        }
/// Appends an item to `supplementary_features`.
///
/// To override the contents of this collection use [`set_supplementary_features`](Self::set_supplementary_features).
///
/// <p>An array of supplementary features. The only supported feature is a holiday calendar.</p>
Appends an item to `supplementary_features`.
To override the contents of this collection use [`set_supplementary_features`](Self::set_supplementary_features).

An array of supplementary features. The only supported feature is a holiday calendar.
Appends an item to ` supplementary_features ` . To override the contents of this collection use [ ` set_supplementary_features ` ] ( Self :: set_supplementary_features ) . An array of supplementary features . The only supported feature is a holiday calendar .
pub fn supplementary_features(mut self, input: crate::model::SupplementaryFeature) -> Self {
            let mut v = self.supplementary_features.unwrap_or_default();
            v.push(input);
            self.supplementary_features = Some(v);
            self
        }
pub fn supplementary_features ( mut self , input : crate :: model :: SupplementaryFeature ) -> Self { let mut v = self . supplementary_features . unwrap_or_default ( ) ; v . push ( input ) ; self . supplementary_features = Some ( v ) ; self }
Appends an item to `supplementary_features`.
Appends an item to ` supplementary_features ` .
mut self
input
crate::model::SupplementaryFeature
mut self
input
crate::model::SupplementaryFeature