public IPAddressTypeStatus getIPAddressType() {
        return this.iPAddressType;
    }
<p>
Choose either dual stack or IPv4 as your IP address type. Dual stack allows you to share domain resources across
IPv4 and IPv6 address types, and is the recommended option. If you set your IP address type to dual stack, you
can't change your address type later.
</p>

@return Choose either dual stack or IPv4 as your IP address type. Dual stack allows you to share domain resources
        across IPv4 and IPv6 address types, and is the recommended option. If you set your IP address type to
        dual stack, you can't change your address type later.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/DomainConfig.java