public void setFirstByteDateTime(String firstByteDateTime) {
        this.firstByteDateTime = firstByteDateTime;
    }
<p>
The date and time of the first byte that was replicated from the Recovery Instance.
</p>

@param firstByteDateTime
       The date and time of the first byte that was replicated from the Recovery Instance.
aws-java-sdk-drs/src/main/java/com/amazonaws/services/drs/model/RecoveryInstanceFailback.java