See: Description
| Interface | Description | 
|---|---|
| SpeechService | Interface that defines the speech service. | 
| Class | Description | 
|---|---|
| MapboxSpeech | The Speech API is a text-to-speech API with a server-side caching layer in front of AWS Polly. | 
| MapboxSpeech.Builder | This builder is used to create a MapboxSpeech instance, with details about how the API calls
 should be made (input/output format, language, etc.). |