public SidewalkSendDataToDevice withSeq(Integer seq) {
        setSeq(seq);
        return this;
    }
<p>
The sequence number.
</p>

@param seq
       The sequence number.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/SidewalkSendDataToDevice.java