pub fn engine_versions(mut self, input: crate::model::EngineVersionInfo) -> Self {
            let mut v = self.engine_versions.unwrap_or_default();
            v.push(input);
            self.engine_versions = Some(v);
            self
        }
/// Appends an item to `engine_versions`.
///
/// To override the contents of this collection use [`set_engine_versions`](Self::set_engine_versions).
///
/// <p>A list of engine version details. Each element in the list contains detailed information about one engine version.</p>
Appends an item to `engine_versions`.
To override the contents of this collection use [`set_engine_versions`](Self::set_engine_versions).

A list of engine version details. Each element in the list contains detailed information about one engine version.
Appends an item to ` engine_versions ` . To override the contents of this collection use [ ` set_engine_versions ` ] ( Self :: set_engine_versions ) . A list of engine version details . Each element in the list contains detailed information about one engine version .
pub fn engine_versions(mut self, input: crate::model::EngineVersionInfo) -> Self {
            let mut v = self.engine_versions.unwrap_or_default();
            v.push(input);
            self.engine_versions = Some(v);
            self
        }
pub fn engine_versions ( mut self , input : crate :: model :: EngineVersionInfo ) -> Self { let mut v = self . engine_versions . unwrap_or_default ( ) ; v . push ( input ) ; self . engine_versions = Some ( v ) ; self }
Appends an item to `engine_versions`.
Appends an item to ` engine_versions ` .
mut self
input
crate::model::EngineVersionInfo
mut self
input
crate::model::EngineVersionInfo