| Interface | Description | 
|---|---|
| AddWordOptions.PartOfSpeech | **Japanese only.** The part of speech for the word. | 
| CreateVoiceModelOptions.Language | The language of the new custom voice model. | 
| GetPronunciationOptions.Format | The phoneme format in which to return the pronunciation. | 
| GetPronunciationOptions.Voice | A voice that specifies the language in which the pronunciation is to be returned. | 
| GetVoiceOptions.Voice | The voice for which information is to be returned. | 
| ListVoiceModelsOptions.Language | The language for which custom voice models that are owned by the requesting credentials are to be returned. | 
| SynthesizeOptions.Voice | The voice to use for synthesis. | 
| Translation.PartOfSpeech | **Japanese only.** The part of speech for the word. | 
| Word.PartOfSpeech | **Japanese only.** The part of speech for the word. | 
| Class | Description | 
|---|---|
| AddWordOptions | The addWord options. | 
| AddWordOptions.Builder | Builder. | 
| AddWordsOptions | The addWords options. | 
| AddWordsOptions.Builder | Builder. | 
| CreateVoiceModelOptions | The createVoiceModel options. | 
| CreateVoiceModelOptions.Builder | Builder. | 
| DeleteUserDataOptions | The deleteUserData options. | 
| DeleteUserDataOptions.Builder | Builder. | 
| DeleteVoiceModelOptions | The deleteVoiceModel options. | 
| DeleteVoiceModelOptions.Builder | Builder. | 
| DeleteWordOptions | The deleteWord options. | 
| DeleteWordOptions.Builder | Builder. | 
| GetPronunciationOptions | The getPronunciation options. | 
| GetPronunciationOptions.Builder | Builder. | 
| GetVoiceModelOptions | The getVoiceModel options. | 
| GetVoiceModelOptions.Builder | Builder. | 
| GetVoiceOptions | The getVoice options. | 
| GetVoiceOptions.Builder | Builder. | 
| GetWordOptions | The getWord options. | 
| GetWordOptions.Builder | Builder. | 
| ListVoiceModelsOptions | The listVoiceModels options. | 
| ListVoiceModelsOptions.Builder | Builder. | 
| ListVoicesOptions | The listVoices options. | 
| ListVoicesOptions.Builder | Builder. | 
| ListWordsOptions | The listWords options. | 
| ListWordsOptions.Builder | Builder. | 
| Marks | |
| MarkTiming | |
| Pronunciation | The pronunciation of the specified text. | 
| SupportedFeatures | Additional service features that are supported with the voice. | 
| SynthesizeOptions | The synthesize options. | 
| SynthesizeOptions.Builder | Builder. | 
| Timings | |
| Translation | Information about the translation for the specified text. | 
| Translation.Builder | Builder. | 
| UpdateVoiceModelOptions | The updateVoiceModel options. | 
| UpdateVoiceModelOptions.Builder | Builder. | 
| Voice | Information about an available voice model. | 
| VoiceModel | Information about an existing custom voice model. | 
| VoiceModels | Information about existing custom voice models. | 
| Voices | Information about all available voice models. | 
| Word | Information about a word for the custom voice model. | 
| Word.Builder | Builder. | 
| Words | For the **Add custom words** method, one or more words that are to be added or updated for the custom voice model and
 the translation for each specified word. | 
| Words.Builder | Builder. | 
| WordTiming |