<dependency>
<groupId>com.ibm.watson.developer_cloud</groupId>
<artifactId>text-to-speech</artifactId>
<version>5.2.0</version>
</dependency>
'com.ibm.watson.developer_cloud:text-to-speech:5.2.0'
Use the Text to Speech service to get the available voices to synthesize.
TextToSpeech service = new TextToSpeech();
service.setUsernameAndPassword("<username>", "<password>");
Voices voices = service.listVoices().execute();
System.out.println(voices);