public SecurityGroupRule withCidrIpv6(String cidrIpv6) {
        setCidrIpv6(cidrIpv6);
        return this;
    }
<p>
The IPv6 CIDR range.
</p>

@param cidrIpv6
       The IPv6 CIDR range.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/SecurityGroupRule.java