public String getEngine() {
        return this.engine;
    }
<p>
Specifies the engine (<code>standard</code>, <code>neural</code>, <code>long-form</code> or
<code>generative</code>) for Amazon Polly to use when processing input text for speech synthesis. Using a voice
that is not supported for the engine selected will result in an error.
</p>

@return Specifies the engine (<code>standard</code>, <code>neural</code>, <code>long-form</code> or
        <code>generative</code>) for Amazon Polly to use when processing input text for speech synthesis. Using a
        voice that is not supported for the engine selected will result in an error.
@see Engine
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/SynthesisTask.java