public VirtualGatewayListenerTlsSdsCertificate getSds() {
        return this.sds;
    }
<p>
A reference to an object that represents a virtual gateway's client's Secret Discovery Service certificate.
</p>

@return A reference to an object that represents a virtual gateway's client's Secret Discovery Service
        certificate.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/VirtualGatewayClientTlsCertificate.java