pub fn variations(mut self, input: crate::model::Variation) -> Self {
            let mut v = self.variations.unwrap_or_default();
            v.push(input);
            self.variations = Some(v);
            self
        }
/// Appends an item to `variations`.
///
/// To override the contents of this collection use [`set_variations`](Self::set_variations).
///
/// <p>An array of structures that contain the configuration of the feature's different variations.</p>
Appends an item to `variations`.
To override the contents of this collection use [`set_variations`](Self::set_variations).

An array of structures that contain the configuration of the feature's different variations.
Appends an item to ` variations ` . To override the contents of this collection use [ ` set_variations ` ] ( Self :: set_variations ) . An array of structures that contain the configuration of the feature ' s different variations .
pub fn variations(mut self, input: crate::model::Variation) -> Self {
            let mut v = self.variations.unwrap_or_default();
            v.push(input);
            self.variations = Some(v);
            self
        }
pub fn variations ( mut self , input : crate :: model :: Variation ) -> Self { let mut v = self . variations . unwrap_or_default ( ) ; v . push ( input ) ; self . variations = Some ( v ) ; self }
Appends an item to `variations`.
Appends an item to ` variations ` .
mut self
input
crate::model::Variation
mut self
input
crate::model::Variation