public java.util.List<String> getSubnetIdUpdates() {
        return subnetIdUpdates;
    }
<p>
Describes updates to the array of <a
href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Subnet.html">Subnet</a> IDs used by the VPC
configuration.
</p>

@return Describes updates to the array of <a
        href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_Subnet.html">Subnet</a> IDs used by the
        VPC configuration.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/VpcConfigurationUpdate.java