public AssociateVpcCidrBlockRequest withIpv6Pool(String ipv6Pool) {
        setIpv6Pool(ipv6Pool);
        return this;
    }
<p>
The ID of an IPv6 address pool from which to allocate the IPv6 CIDR block.
</p>

@param ipv6Pool
       The ID of an IPv6 address pool from which to allocate the IPv6 CIDR block.
@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/AssociateVpcCidrBlockRequest.java