public void setSupportedEngines(java.util.Collection<String> supportedEngines) {
        if (supportedEngines == null) {
            this.supportedEngines = null;
            return;
        }

        this.supportedEngines = new java.util.ArrayList<String>(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>

@param supportedEngines
       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