languageCodes property
Optional. The language of the supplied audio as a BCP-47 language tag.
Supported languages for each model are listed in the Table of Supported Models.
If additional languages are provided, recognition result will contain recognition in the most likely language detected. The recognition result will include the language tag of the language detected in the audio. When you create or update a Recognizer, these values are stored in normalized BCP-47 form. For example, "en-us" is stored as "en-US".
Implementation
@$core.Deprecated('This field is deprecated.')
@$pb.TagNumber(17)
$core.List<$core.String> get languageCodes => $_getList(15);