public Boolean getAmazonProvidedIpv6CidrBlock() {
        return this.amazonProvidedIpv6CidrBlock;
    }
<p>
Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the range of
IPv6 addresses or the size of the CIDR block.
</p>

@return Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the
        range of IPv6 addresses or the size of the CIDR block.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/AssociateVpcCidrBlockRequest.java