public AwsEc2VpcDetails withIpv6CidrBlockAssociationSet(Ipv6CidrBlockAssociation... ipv6CidrBlockAssociationSet) {
        if (this.ipv6CidrBlockAssociationSet == null) {
            setIpv6CidrBlockAssociationSet(new java.util.ArrayList<Ipv6CidrBlockAssociation>(ipv6CidrBlockAssociationSet.length));
        }
        for (Ipv6CidrBlockAssociation ele : ipv6CidrBlockAssociationSet) {
            this.ipv6CidrBlockAssociationSet.add(ele);
        }
        return this;
    }
<p>
Information about the IPv6 CIDR blocks associated with the VPC.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setIpv6CidrBlockAssociationSet(java.util.Collection)} or
{@link #withIpv6CidrBlockAssociationSet(java.util.Collection)} if you want to override the existing values.
</p>

@param ipv6CidrBlockAssociationSet
       Information about the IPv6 CIDR blocks associated with the VPC.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEc2VpcDetails.java