public void setUtteranceLastRecordedInAggregationDuration(java.util.Date utteranceLastRecordedInAggregationDuration) {
        this.utteranceLastRecordedInAggregationDuration = utteranceLastRecordedInAggregationDuration;
    }
<p>
The last date and time that an utterance was recorded in the time window for aggregation. An utterance may be
sent to Amazon Lex after that time, but only utterances within the time window are counted.
</p>

@param utteranceLastRecordedInAggregationDuration
       The last date and time that an utterance was recorded in the time window for aggregation. An utterance may
       be sent to Amazon Lex after that time, but only utterances within the time window are counted.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/AggregatedUtterancesSummary.java