pub fn additional_language_codes(mut self, input: crate::model::LanguageCode) -> Self {
            let mut v = self.additional_language_codes.unwrap_or_default();
            v.push(input);
            self.additional_language_codes = Some(v);
            self
        }
/// Appends an item to `additional_language_codes`.
///
/// To override the contents of this collection use [`set_additional_language_codes`](Self::set_additional_language_codes).
///
/// <p>Additional codes for languages available for the specified voice in addition to its default language. </p>
/// <p>For example, the default language for Aditi is Indian English (en-IN) because it was first used for that language. Since Aditi is bilingual and fluent in both Indian English and Hindi, this parameter would show the code <code>hi-IN</code>.</p>
Appends an item to `additional_language_codes`.
To override the contents of this collection use [`set_additional_language_codes`](Self::set_additional_language_codes).

Additional codes for languages available for the specified voice in addition to its default language. 
For example, the default language for Aditi is Indian English (en-IN) because it was first used for that language. Since Aditi is bilingual and fluent in both Indian English and Hindi, this parameter would show the code hi-IN.
Appends an item to ` additional_language_codes ` . To override the contents of this collection use [ ` set_additional_language_codes ` ] ( Self :: set_additional_language_codes ) . Additional codes for languages available for the specified voice in addition to its default language . For example the default language for Aditi is Indian English ( en - IN ) because it was first used for that language . Since Aditi is bilingual and fluent in both Indian English and Hindi this parameter would show the code hi - IN .
pub fn additional_language_codes(mut self, input: crate::model::LanguageCode) -> Self {
            let mut v = self.additional_language_codes.unwrap_or_default();
            v.push(input);
            self.additional_language_codes = Some(v);
            self
        }
pub fn additional_language_codes ( mut self , input : crate :: model :: LanguageCode ) -> Self { let mut v = self . additional_language_codes . unwrap_or_default ( ) ; v . push ( input ) ; self . additional_language_codes = Some ( v ) ; self }
Appends an item to `additional_language_codes`.
Appends an item to ` additional_language_codes ` .
mut self
input
crate::model::LanguageCode
mut self
input
crate::model::LanguageCode