@Override
    public RegisterDBProxyTargetsResult registerDBProxyTargets(RegisterDBProxyTargetsRequest request) {
        request = beforeClientExecution(request);
        return executeRegisterDBProxyTargets(request);
    }
<p>
Associate one or more <code>DBProxyTarget</code> data structures with a <code>DBProxyTargetGroup</code>.
</p>

@param registerDBProxyTargetsRequest
@return Result of the RegisterDBProxyTargets operation returned by the service.
@throws DBProxyNotFoundException
        The specified proxy name doesn't correspond to a proxy owned by your Amazon Web Services account in the
        specified Amazon Web Services Region.
@throws DBProxyTargetGroupNotFoundException
        The specified target group isn't available for a proxy owned by your Amazon Web Services account in the
        specified Amazon Web Services Region.
@throws DBClusterNotFoundException
        <code>DBClusterIdentifier</code> doesn't refer to an existing DB cluster.
@throws DBInstanceNotFoundException
        <code>DBInstanceIdentifier</code> doesn't refer to an existing DB instance.
@throws DBProxyTargetAlreadyRegisteredException
        The proxy is already associated with the specified RDS DB instance or Aurora DB cluster.
@throws InvalidDBInstanceStateException
        The DB instance isn't in a valid state.
@throws InvalidDBClusterStateException
        The requested operation can't be performed while the cluster is in this state.
@throws InvalidDBProxyStateException
        The requested operation can't be performed while the proxy is in this state.
@throws InsufficientAvailableIPsInSubnetException
        The requested operation can't be performed because there aren't enough available IP addresses in the
        proxy's subnets. Add more CIDR blocks to the VPC or remove IP address that aren't required from the
        subnets.
@sample AmazonRDS.RegisterDBProxyTargets
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/RegisterDBProxyTargets" target="_top">AWS API
     Documentation</a>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/AmazonRDSClient.java