public void setConversationEndTime(java.util.Date conversationEndTime) {
        this.conversationEndTime = conversationEndTime;
    }
<p>
The date and time when the conversation in which the utterance took place ended. A conversation is defined as a
unique combination of a <code>sessionId</code> and an <code>originatingRequestId</code>.
</p>

@param conversationEndTime
       The date and time when the conversation in which the utterance took place ended. A conversation is defined
       as a unique combination of a <code>sessionId</code> and an <code>originatingRequestId</code>.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/UtteranceSpecification.java