public void setIpv4Address(String ipv4Address) {
        this.ipv4Address = ipv4Address;
    }
<p>
The device's Ipv4 address.
</p>

@param ipv4Address
       The device's Ipv4 address.
aws-java-sdk-location/src/main/java/com/amazonaws/services/location/model/DeviceState.java