public void setSigv4(SigV4Authorization sigv4) {
        this.sigv4 = sigv4;
    }
<p>
Use Sig V4 authorization. For more information, see <a
href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
Process</a>.
</p>

@param sigv4
       Use Sig V4 authorization. For more information, see <a
       href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4 Signing
       Process</a>.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/HttpAuthorization.java