public AssociateVpcCidrBlockRequest withAmazonProvidedIpv6CidrBlock(Boolean amazonProvidedIpv6CidrBlock) {
        setAmazonProvidedIpv6CidrBlock(amazonProvidedIpv6CidrBlock);
        return this;
    }
<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>

@param amazonProvidedIpv6CidrBlock
       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.
@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