@Override
    public AssociateSubnetCidrBlockResult associateSubnetCidrBlock(AssociateSubnetCidrBlockRequest request) {
        request = beforeClientExecution(request);
        return executeAssociateSubnetCidrBlock(request);
    }
<p>
Associates a CIDR block with your subnet. You can only associate a single IPv6 CIDR block with your subnet.
</p>

@param associateSubnetCidrBlockRequest
@return Result of the AssociateSubnetCidrBlock operation returned by the service.
@sample AmazonEC2.AssociateSubnetCidrBlock
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/AssociateSubnetCidrBlock" target="_top">AWS
     API Documentation</a>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java