pub fn project_version_descriptions(
            mut self,
            input: crate::model::ProjectVersionDescription,
        ) -> Self {
            let mut v = self.project_version_descriptions.unwrap_or_default();
            v.push(input);
            self.project_version_descriptions = Some(v);
            self
        }
/// Appends an item to `project_version_descriptions`.
///
/// To override the contents of this collection use [`set_project_version_descriptions`](Self::set_project_version_descriptions).
///
/// <p>A list of model descriptions. The list is sorted by the creation date and time of the model versions, latest to earliest.</p>
Appends an item to `project_version_descriptions`.
To override the contents of this collection use [`set_project_version_descriptions`](Self::set_project_version_descriptions).

A list of model descriptions. The list is sorted by the creation date and time of the model versions, latest to earliest.
Appends an item to ` project_version_descriptions ` . To override the contents of this collection use [ ` set_project_version_descriptions ` ] ( Self :: set_project_version_descriptions ) . A list of model descriptions . The list is sorted by the creation date and time of the model versions latest to earliest .
pub fn project_version_descriptions(
            mut self,
            input: crate::model::ProjectVersionDescription,
        ) -> Self {
            let mut v = self.project_version_descriptions.unwrap_or_default();
            v.push(input);
            self.project_version_descriptions = Some(v);
            self
        }
pub fn project_version_descriptions ( mut self , input : crate :: model :: ProjectVersionDescription , ) -> Self { let mut v = self . project_version_descriptions . unwrap_or_default ( ) ; v . push ( input ) ; self . project_version_descriptions = Some ( v ) ; self }
Appends an item to `project_version_descriptions`.
Appends an item to ` project_version_descriptions ` .
mut self
input
crate::model::ProjectVersionDescription
mut self
input
crate::model::ProjectVersionDescription