public java.util.List<String> getSupportedEngines() {
        return supportedEngines;
    }
<p>
Specifies which engines (<code>standard</code>, <code>neural</code>, <code>long-form</code> or
<code>generative</code>) are supported by a given voice.
</p>

@return Specifies which engines (<code>standard</code>, <code>neural</code>, <code>long-form</code> or
        <code>generative</code>) are supported by a given voice.
@see Engine
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/Voice.java