public NetworkAclEntry withIpv6CidrBlock(String ipv6CidrBlock) {
        setIpv6CidrBlock(ipv6CidrBlock);
        return this;
    }
<p>
The IPv6 network range to allow or deny, in CIDR notation.
</p>

@param ipv6CidrBlock
       The IPv6 network range to allow or deny, in CIDR notation.
@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/NetworkAclEntry.java