public VpcConnectivityClientAuthentication withTls(VpcConnectivityTls tls) {
        setTls(tls);
        return this;
    }
<p>
TLS authentication type details for VPC connectivity.
</p>

@param tls
       <p>
       TLS authentication type details for VPC connectivity.
       </p>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/VpcConnectivityClientAuthentication.java