Function pruneGcpTtsVoicesToLanguages

pruneGcpTtsVoicesToLanguages(
voices: GcpTtsVoicesMap,
activeLanguages: string[],
): GcpTtsVoicesMap
Keeps only voices for languages still in the active set.
Parameters
- voices: GcpTtsVoicesMap
  Current voices map.
- activeLanguages: string[]
  Languages that may keep a voice.
Returns GcpTtsVoicesMap
Pruned map.
- Defined in lib/translation/gcp-tts-voices.ts:239