Function session

session(
sourceLanguage: string,
targetLanguage: string,
): HSTranslationSession | null
Create a translation session for a language pair. Returns an HSTranslationSession, or null if the system is running macOS older than 26.0.
Parameters
- sourceLanguage: string
  BCP-47 code of the source language (e.g. "en").
- targetLanguage: string
  BCP-47 code of the target language (e.g. "fr").
Returns HSTranslationSession | null
An HSTranslationSession, or null on unsupported versions of macOS.