public HttpAuthorization withSigv4(SigV4Authorization sigv4) {
        setSigv4(sigv4);
        return this;
    }
<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>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/HttpAuthorization.java