public UtteranceSpecification withUtteranceTimestamp(java.util.Date utteranceTimestamp) {
        setUtteranceTimestamp(utteranceTimestamp);
        return this;
    }
<p>
The date and time when the utterance took place.
</p>

@param utteranceTimestamp
       The date and time when the utterance took place.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/UtteranceSpecification.java