public String getIPAddressType() {
        return this.iPAddressType;
    }
<p>
The subnet's IP address type. You can't change the IP address type after you create the subnet.
</p>

@return The subnet's IP address type. You can't change the IP address type after you create the subnet.
@see IPAddressType
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/SubnetMapping.java